Space Systems Engineer (Temporary)

🏢 Summary: Hybrid Space Systems Engineer role supporting advanced test and evaluation for national security space missions, with focus on orbital mechanics, spacecraft operations, and system integration. The position involves orbital modeling, launch vehicle integration, and development of operational concepts to enhance strategic defense capabilities. Requires active Top Secret clearance with SCI eligibility and occasional CONUS travel. 🗂️ Requirements: Active Top Secret clearance with SCI eligibility, U.S. Citizenship, Minimum 10 years of spacecraft systems engineering experience, Strong expertise in on-orbit spacecraft operations, Deep knowledge of orbital mechanics, Experience in orbital modeling and simulation analysis, Experience with launch vehicle integration, Ability to develop TTPs, CONOPs, or CONEMPs through technical analysis, Proficiency in Microsoft Word, Proficiency in Microsoft Excel, Proficiency in Microsoft PowerPoint 📃 Skills: OrbitalMechanics, SpacecraftOperations, SystemsEngineering, OrbitalModeling, Simulation, LaunchIntegration, TTP, CONOP, CONEMP, MicrosoftWord, MicrosoftExcel, MicrosoftPowerPoint 🏢 Description: Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn. Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Location: This is a hybrid role in Los Angeles, CA (vicinity of Los Angeles Space Force Base)Travel: Occasional CONUS travel required; Occasional travel, up to 25% is required.Clearance: Active Top Secret clearance with SCI eligibility requiredCitizenship: U.S. Citizenship required Position Overview:Great Hill Solutions is seeking an experienced Space Systems Engineer to support advanced test and evaluation initiatives for national security space missions. This position will focus on orbital mechanics, spacecraft operations, and system integration to inform strategic defense capabilities. Required Qualifications: Minimum of 10 years of experience in spacecraft systems engineering Deep understanding of on-orbit spacecraft operations and orbital mechanics Proficient in orbital modeling and simulation analysis Experience with launch vehicle integration and coordination across multi-disciplinary teams Skilled in developing TTPs, CONOPs, or CONEMPs through technical analysis and validation events Proficiency in Microsoft Word, Excel, and PowerPoint Desired Qualifications: Previous experience with joint or operational testing, or work on Department of Defense test ranges Knowledge of national security space systems and operational planning Salary at Seneca is based on a variety of factors including but not limited to location, experience, skill set, performance, licensure and certification, as well as contract-specific affordability and organizational requirements. The range of this position in other geographic locations may differ. The projected compensation range for this position is below. The estimate displayed represents the typical salary range for this position and is just one component of our total compensation package for employees. The projected compensation range for this position is:$150,000—$180,000 USD Equal Opportunity Statement:Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

🏢 Summary: Senior Systems Engineer role supporting the Office of the Under Secretary of War for Research and Engineering, focused on technology development, strategy, and testing for major defense programs. The position leads systems engineering efforts for large-scale, classified technology initiatives and oversees technical requirements, risk management, and acquisition processes. Work is performed onsite in Arlington, VA with TS/SCI clearance required. 🗂️ Requirements: TS/SCI clearance (SAP eligible), Master’s degree in engineering, scientific, or technical discipline related to PNT or C5ISRT, 10+ years as Chief Systems Engineer or Deputy on $100M+ technology program, 8+ years leadership on classified programs at SCI or higher, 8+ years experience in military tactics and technical methods, 5+ years overseeing technical requirements and assessments for emerging capabilities, 5+ years supporting DoD 5000 acquisition lifecycle process, 5+ years experience with Agile development processes, 5+ years establishing and managing formal risk management processes 📃 Skills: SystemsEngineering, Agile, DoD5000, RiskManagement, C5ISRT, PNT, TSSCI, SAP, SCI, Acquisition, MilitaryTactics 🏢 Description: Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn. Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Great Hill is seeking a Sr. System Engineer in Arlington, VA to support work for the Office of the Under Secretary of War for Research and Engineering. This effort will work with leaders on technology development, strategy and testing. Security Requirements: TS/SCI (SAP eligible) Skills/Experience: Ten (10) years' experience as Chief Systems Engineer (CSE) or Deputy for a major technology program valued at over $100M Eight (8) years' of leadership experience on classified programs at SCI or higher. Eight (8) years' experience in military tactics and technical methods Five (5) years' experience overseeing technical requirements and assessments for new and emerging capabilities Five (5) years' experience executing activities in support of the DoD 5000 series acquisition lifecycle process. Five (5) years' experience using Agile Development processes. Five (5) years' experience establishing and managing a formal risk management process for a technology development program Education: Master's degree from accredited college or university in engineering, scientific, or technical discipline that is related to PNT and/or C5ISRT. Desired Skills: Military or DoW experience C5ISRT and C-C5ISRT: Eight (8) years' experience with systems that integrate and analyze data from multiple sources and countering these systems. Equal Opportunity Statement:Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

🏢 Summary: The Azure Cloud Engineer role focuses on implementing, securing, and sustaining Azure Government cloud environments supporting Department of Defense training and Test & Evaluation operations. The position bridges cloud architecture and hands-on engineering, managing IL4/IL5/IL6 environments, DevSecOps pipelines, and mission-critical infrastructure in classified and unclassified settings. It requires deep expertise in Azure, compliance frameworks, and secure cloud operations. 🗂️ Requirements: Active Secret Security Clearance, Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field (or equivalent experience), 10+ years of cloud or systems engineering experience in enterprise or DoD environments, Hands-on experience with Microsoft Azure Government, Experience supporting IL4 and IL5 cloud environments, Experience with Azure networking, virtual machines, storage, identity services, and security controls, Experience with Infrastructure as Code tools (Terraform, ARM, or Bicep), Experience supporting DevSecOps and CI/CD pipelines, Familiarity with RMF, STIG compliance, and ATO processes, Experience troubleshooting complex cloud and networking issues, Strong knowledge of identity and access management and role-based access control, Ability to work in classified and mission-critical environments 📃 Skills: Azure, AzureGovernment, IL4, IL5, IL6, Terraform, ARM, Bicep, DevSecOps, CI/CD, RMF, STIG, ATO, EntraID, RBAC, Networking, VirtualMachines, Storage, MicrosoftSentinel, AzureMonitor, LogAnalytics, Kubernetes, OneSAF 🏢 Description: Great Hill is seeking an Azure Cloud Engineer to support cloud modernization and Test & Evaluation (T&E) initiatives through implementation, sustainment, and security management of Azure Government cloud environments supporting Department of Defense training, experimentation, and distributed test operations. The Azure Cloud Engineer will provide dedicated ownership of Azure infrastructure across IL4, IL5, and emerging IL6 environments. Responsibilities include provisioning, configuring, securing, maintaining, and troubleshooting Azure infrastructure supporting Live, Virtual, and Constructive (LVC) environments, OneSAF migration activities, distributed test events, DevSecOps pipelines, and onboarding of additional mission partners and capabilities. The role requires operating in both unclassified and classified environments while maintaining compliance with Risk Management Framework (RMF), Authority to Operate (ATO), cybersecurity, and configuration management requirements. Key Responsibilities - Implement, configure, and sustain Azure Government cloud infrastructure supporting training and T&E operations. - Maintain Azure environments across IL4, IL5, and emerging IL6 enclaves in accordance with DoD cybersecurity and compliance requirements. - Support cloud infrastructure provisioning, networking, storage, identity management, and access control implementation. - Maintain configuration control and infrastructure consistency across development, test, staging, and operational environments. - Support RMF and ATO activities by implementing and sustaining security controls, audit readiness, patching, vulnerability remediation, and compliance documentation. - Integrate and sustain DevSecOps pipelines and Infrastructure as Code (IaC) solutions using tools such as Terraform, Azure DevOps, GitLab, or equivalent platforms. - Support migration and sustainment activities associated with OneSAF and other simulation, training, and experimentation systems. - Assist with onboarding of new mission partners, capabilities, and cloud-hosted services including distributed T&E platforms and mission systems. - Monitor system performance, availability, and operational health to ensure platform reliability during mission-critical events and exercises. - Troubleshoot infrastructure, networking, identity, and security issues within classified and constrained operational environments. - Coordinate with cybersecurity personnel, system administrators, software developers, architects, and government stakeholders to ensure secure and stable operations. - Develop and maintain technical documentation, standard operating procedures, architecture diagrams, and configuration baselines. - Support continuous modernization and optimization of cloud environments to improve scalability, resiliency, and operational efficiency. Required Qualifications - Active Secret Security Clearance. - Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field; equivalent experience may be substituted. - 10+ years of experience supporting cloud infrastructure engineering or systems engineering in enterprise or DoD environments. - Hands-on experience with Microsoft Azure Government cloud environments. - Experience supporting IL4 and IL5 cloud environments; familiarity with IL6 or classified cloud environments preferred. - Experience implementing and maintaining Azure networking, virtual machines, storage accounts, identity services, and security controls. - Experience with Infrastructure as Code (IaC) tools such as Terraform, ARM templates, or Bicep. - Experience supporting DevSecOps pipelines and CI/CD workflows. - Familiarity with RMF, STIG compliance, cybersecurity sustainment, and ATO processes. - Experience troubleshooting complex cloud infrastructure and networking issues. - Strong understanding of identity and access management, Entra ID, conditional access, and role-based access control. - Strong written and verbal communication skills. - Ability to operate independently within classified and mission-critical environments. Preferred Qualifications - Microsoft Azure certifications such as Azure Administrator Associate, Azure Security Engineer Associate. - Experience supporting Department of Defense T&E, simulation, cyber, or training environments. - Familiarity with LVC integration, distributed simulation systems, or OneSAF environments. - Experience with Microsoft Sentinel, Azure Monitor, Log Analytics, or cloud security monitoring tools. - Experience with Kubernetes, containerization, or hybrid cloud architectures. - Experience supporting classified cloud operations and constrained disconnected environments.

🏢 Summary: Senior Financial Staffer role supporting a DHA audit program, focused on in-depth program analysis and federal financial management. The position involves working with multiple DoD financial systems, developing analytical tools, and supporting financial reporting and audit readiness initiatives. Candidates must have federal financial management or auditing experience and strong technical skills in financial systems and data analysis. 🗂️ Requirements: 4-year degree or 5+ years of federal financial management or auditing experience, Active Secret Clearance (preferred), Willingness to travel as needed, Experience with federal financial systems (GFEBS, GAFS-R, DEAMS, MHS Genesis, ABACUS, Advana, DDRS), Experience with US GAAP, OMB, and FMR financial compliance, Proficiency in SQL, Python, Power BI, or R, Ability to develop analytical techniques for financial data review 📃 Skills: GFEBS, GAFS-R, DEAMS, MHS, Genesis, ABACUS, Advana, DDRS, SQL, Python, PowerBI, R, USGAAP, OMB, FMR 🏢 Description: Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn. Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Great Hill Solutions, LLC is seeking a Senior Financial Staffer ready to support a DHA audit program. This position will perform in-depth program analysis and financial management primarily related to the program. The ideal candidate for this role must be comfortable working in a transparent, collaborative team environment and possess outstanding communication, critical thinking and problem-solving skills. Required Qualifications: Must have a 4-year degree or a minimum of 5+ years of federal financial management and/or auditing experience. An Active Secret Clearance (preferred) Willingness to travel as needed. Desired Skills: Possess the functional skills necessary to utilize GFEBS, GAFS-R, DEAMS, MHS Genesis, ABACUS, Advana and DDRS to successfully advance DHP Financial Reporting objectives and Universe of Transaction (Out) strategy and completeness. Develop and deploy analytical techniques and tools to support the development and review of financial system data (e.g., quantitative drill down). Proficiency in query languages and business intelligence programming including Structured Query Language (SQL), Python, Power BI and R, depending on extracting and compilation of like and unlike data from one or multiple sources. Experience/familiarity with financial statements that are compliant with US Generally Accepted Accounting Principles (US GAAP), Office of Management and Budget (OMB), Financial Management Regulation (FMR) requirements. Experience Effectively designing/developing and providing broad-based communications and change management support for program management, financial management and business process improvement, standardization and other matters related to the overall mission. Equal Opportunity Statement:Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

🏢 Summary: Senior Business Data Analyst role supporting a federal customer, focused on advanced data analysis, financial systems, and executive-level reporting. The position involves building dashboards, automating financial reconciliation processes, and synthesizing large federal datasets for audit and leadership decision-making. Candidates must have strong experience with data visualization, automation tools, and Department of the Army financial platforms. 🗂️ Requirements: 8+ years of experience in data analysis, business intelligence, or financial systems management, 5+ years of experience with data visualization tools (PowerBI, Tableau, or Qlik), Experience developing automated tools using Python, R, SQL, UiPath, or bots, Experience analyzing large federal financial datasets for trends and anomalies, Proficiency with Department of the Army data platforms, Bachelor's degree in Data Science, Information Systems, Finance, Accounting, or Business Administration, Ability to present complex data insights to senior non-technical leadership 📃 Skills: PowerBI, Tableau, Qlik, Python, R, SQL, UiPath, GFEBS, DDRS, DataAnalysis, BusinessIntelligence, FinancialSystems 🏢 Description: Great Hill is seeking a Senior Business Data Analyst to support a federal customer. Basic Qualifications: - Eight (8)+ years of experience in data analysis, business intelligence, or financial systems management - Five (5)+ years utilizing data visualization tools (e.g., PowerBI, Tableau, Qlik) to develop interactive dashboards and executive-level reports - Demonstrated experience developing and deploying automated tools (e.g., Python, R, SQL, UiPath, or bots) to streamline manual financial reconciliation processes - Experience identifying financial trends, anomalies, and areas for process efficiency within large federal datasets - Proficiency in utilizing Department of the Army data platforms to synthesize data for audit and leadership decision-making - Bachelor's Degree in Data Science, Information Systems, Finance, Accounting, or Business Administration - Ability to communicate complex data insights clearly to non-technical senior leadership Desired Skills: - Master's Degree in Data Science, Business Analytics, or Information Technology - Experience integrating financial audit data with operational metrics to create unified quality dashboards for organizational risk - Certifications in data analytics or process automation (e.g., CAP, Microsoft Certified: Data Analyst Associate, UiPath Certified Professional) - Experience with GFEBS and other Department of the Army financial systems (e.g., DDRS) Compensation: The projected compensation range for this position is $100,000—$160,000 USD. Benefits: Comprehensive benefits package including medical, dental, vision, life, and disability insurance; voluntary benefit programs; health savings and flexible spending accounts; and a 401(k) retirement plan. Full-time employees working at least 30 hours per week are eligible for benefits and paid leave programs.

🏢 Summary: Data Analyst with a data management focus supporting a federal defense data platform, translating business needs into data requirements and enabling analytics across legacy and modernized systems. The role bridges stakeholders and engineering teams, develops process documentation and SQL analyses, and ensures data governance, metadata management, and data quality within the War Data Platform. It involves close collaboration with data engineering, stewardship, and leadership to deliver reporting, dashboards, and compliant data solutions. 🗂️ Requirements: Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or scientific/technical discipline, Active SECRET clearance, 3+ years experience in business analysis, data analysis, or data management role, 3+ years experience developing process flows, use cases, or business process models, 3+ years experience using SQL for data querying and analysis, Proficiency with Microsoft Visio, PowerPoint, Word, and Excel, Strong written and verbal communication skills 📃 Skills: SQL, Visio, Excel, PowerPoint, Word, Python, Databricks, Erwin, iQuery, Agile, SAFe 🏢 Description: Great Hill is seeking a Data Analyst (with Data Management focus) in the National Capital Region to support the Defense Security Cooperation Agency (DSCA) Chief Data Officer and Artificial Intelligence (DM&AI) team. The candidate will translate business needs into data requirements, analyze system data across legacy and modernized environments, and bridge the gap between stakeholders and technical teams across the Security Cooperation (SC) data enterprise. The candidate will support data management activities within the War Data Platform (WDP, formerly Advana), a platform that consumes data and delivers data analytics and reporting capabilities from legacy and modernized systems to include Foreign Military Sales (FMS) case development and execution systems and Department of War (DoW) financial, logistical (supply chain), procurement, and acquisition systems. Roles and Responsibilities include, but are not limited to: - Document and analyze functional / business processes to identify inefficiencies, data gaps, and opportunities for improvement. - Query and analyze data from legacy and modernized systems to identify trends, gaps, and opportunities that inform business and technical decision-making. - Identify requirements and translate into system capabilities for engineering teams. - Write functional specifications to be used by engineers building data pipelines and developing dashboards. - Develop process flows, ERDs and SQL queries for new capabilities and coordinate with the Data Engineering teams for smooth implementation. - Cleanse, transform, or prepare data for ingest. - Serve as liaison between system / process owners and technical teams. - Coordinate across WDP lines of business (Acquisition, Procurement, Supply Chain, Finance) to link SC data with other domain data; manage the DSCA data source inventory and metadata lifecycle in alignment with DSCA policy. - Partner with data stewards and catalog teams to define and monitor data quality standards, ensuring data assets are discoverable, well-documented, and fit for business use. - Define and validate requirements for SC metadata integration with other WDP data assets, coordinating with technical teams to ensure proper mapping of data dictionaries, datasets, and lineage views. - Apply and uphold the DSCA data governance framework, contributing to policy evolution and ensuring business activities align with governance standards. - Document data management protocols, processes, and standard operating procedures in support of the engineering team. - Review and validate Data Sharing Agreements (DSAs) to ensure alignment with business requirements and DSCA data governance policy. - Analyze and communicate metadata reporting outputs, including data pipeline status and data quality scorecards (coverage, completeness, timeliness), to stakeholders and leadership. - Prepare reports on the infrastructure and resources used for data activities within WDP. - Prepare and present analysis findings, status updates, and recommendations to DSCA leadership and stakeholders in clear, non-technical terms. Basic Qualifications: - Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline. - An active SECRET clearance. - 3+ years of experience in a business analyst, data analyst, and/or data management role. - 3+ years of experience developing process flows, use case documentation, or business process models. - 3+ years using SQL to query and analyze data in support of business analysis activities. - 3+ years of experience working independently with Microsoft Office tools, specifically Visio, PowerPoint, Word, and Excel. - Excellent oral and written communication skills. Desired Skills: - Familiarity with data scripting tools such as Python programming language to support data exploration and analysis. - Experience with enterprise data tools like iQuery, Databricks, Erwin Data Modeler. - Experience with Agile/SAFe and Business Intelligence tools. - Understanding of the DoW Procurement Lifecycle (Procure to Pay end-to-end process).

🏢 Summary: Staff Accountant role supporting a federal client, focused on federal government accounting, reconciliations, journal entries, and financial statement support. The position requires experience with GAAP and federal accounting standards, audit support, and federal financial systems. Offers competitive compensation and comprehensive benefits. 🗂️ Requirements: 3+ years of accounting experience, At least 1 year of federal or DoD government accounting experience, Experience with account reconciliations across budgetary and proprietary accounts, Experience preparing and processing journal entries in a federal financial accounting system, Working knowledge of GAAP and federal accounting standards, Experience supporting financial statement preparation and documentation, Experience gathering documentation for audit samples or data calls, Bachelor's degree in Accounting, Finance, or Business Administration, Proficiency in Microsoft Office and Google Suite, Strong written and verbal communication skills 📃 Skills: GAAP, GFEBS, Microsoft, Excel, Google, Colab, AppsScript, Reconciliations, JournalEntries, Accounting, Audit 🏢 Description: Great Hill is seeking a Staff Accountant to support a federal client. Basic Qualifications: - Three (3)+ years of experience in accounting, with at least one (1) year in federal or DoD government accounting - Experience performing account reconciliations across budgetary and proprietary accounts - Experience preparing and processing journal entries in a federal financial accounting system - Working knowledge of Generally Accepted Accounting Principles (GAAP) and federal accounting standards - Experience supporting financial statement preparation, including compilation of supporting documentation - Experience gathering and packaging documentation for audit samples or data calls - Bachelor's Degree in Accounting, Finance, or Business Administration - Proficiency in Microsoft Office and Google Suite - Ability to communicate clearly and effectively both orally and in writing Desired Skills: - Experience with GFEBS or other DoD enterprise financial systems - Experience supporting PBC package preparation for external auditors - Progress toward CPA, CDFM, or CGFM certification - Experience with automated reconciliation tools or data analytics (e.g., Google Colab, Apps Script) Benefits: - Competitive pay - Comprehensive benefits package including medical, dental, vision, life, and disability insurance - Voluntary benefit programs (critical illness, hospital, and accident) - Health savings and flexible spending accounts - Retirement 401K plan - Flexible work-life balance - Professional development opportunities - Performance and recognition programs Salary Range: $60,000—$90,000 USD Equal Opportunity Statement: Equal employment opportunities are provided to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. The company also prohibits retaliation against any employee who exercises rights under applicable anti-discrimination laws. Hiring preference may be given to Seneca or Native individuals. Veterans with relevant expertise are encouraged to apply.

🏢 Summary: Program Manager role supporting the Defense Health Agency and Armed Services Blood Program, focused on overseeing complex project tasks, coordinating with senior-level stakeholders, and guiding operational planning. The position involves managing deliverables, facilitating client communication, and aligning initiatives with strategic goals. Experience with DoD environments is required, with preference for blood banking or blood safety knowledge. 🗂️ Requirements: Bachelor's Degree in English, Communication or related field, Minimum 3 years of Program Management experience, Experience working with DoD military or civilian customers, Ability to organize, direct, manage and review technical deliverables across multiple complex projects 📃 Skills: ProgramManagement, DoD, OperationalPlanning, StrategicPlanning, BloodBanking, BloodSafety, Regulations 🏢 Description: Great Hill is seeking a Program Manager to support a project with DHA and the Armed Services Blood Program in Falls Church, VA. Roles and Responsibilities include, but are not limited to: - Maintain and facilitate lines of communication across the client interface, at the senior levels of the client's organization, and with company partnerships. - Meet with customer and contractor personnel to formulate and review task plans and deliverable items. - Provide assistance to the organization in developing mission and vision statements and subsequent goal delineation. - Work with assigned personnel to provide guidance for building operational plans and specifying measurable outcomes, including capital outlay planning efforts, and prioritize initiatives to meet strategic goals. Basic Qualifications: - Bachelor's Degree or higher in English, Communication or related field - Minimum of three years Program Management experience - Experience working with DOD military or civilian customers - Ability to organize, direct, manage and review technical aspects of deliverables involving multiple complex and related project tasks Desired Skills: - Experience with blood banking, blood safety or blood regulations is preferred Benefits: - Competitive pay, benefits, and perks - Flexible work-life balance - Professional development opportunities - Performance and recognition programs - Comprehensive benefits package including medical, dental, vision, life, and disability insurance - Voluntary benefits (critical illness, hospital, accident) - Health savings and flexible spending accounts - 401K retirement plan - Paid leave programs for eligible full-time employees

🏢 Summary: Senior Audit Manager role supporting a federal client, focused on government auditing, audit response management, and oversight of corrective action plans. The position requires extensive Department of Defense audit experience and preparation of audit documentation packages. This role involves managing program documentation and engaging with senior management and independent public accountants. 🗂️ Requirements: 10+ years of DoD government auditing experience, 10+ years of experience providing audit responses to senior management and IPAs, 5+ years of experience preparing PBC and sample document packages, 5+ years of experience preparing and testing Corrective Action Plans (CAPs), Bachelor’s or Master’s degree in Finance, Accounting, Business Administration, Management, Public Administration, or Communication, Proficiency in Microsoft Office, SharePoint, and Google Suite, Strong analytical and critical thinking skills, Ability to communicate effectively in writing and verbally, Ability to manage and maintain program documentation 📃 Skills: Auditing, DoD, PBC, CAP, Microsoft, SharePoint, GoogleSuite, Finance, Accounting, Compliance, Documentation 🏢 Description: Great Hill is seeking a Senior Audit Manager to support a federal client. Description: The Senior Audit Manager will provide government auditing support with a focus on Department of Defense (DoD) audit activities. The role includes delivering audit responses to senior management and Independent Public Accountants (IPAs), preparing Provided by Client (PBC) and sample document packages, and developing and testing Corrective Action Plans (CAPs). The position requires managing and maintaining program documentation and working effectively with internal and external stakeholders. Basic Qualifications: - Ten (10)+ years of DoD Government auditing experience - Ten (10)+ years of experience providing audit responses to senior management and IPAs - Five (5)+ years of experience in preparation of PBC and sample document packages - Five (5)+ years of experience in preparation and testing of Corrective Action Plans (CAPs) - Master’s or Bachelor’s Degree in Finance, Accounting, Business Administration, Management, Public Administration, or Communication - Proficiency in Microsoft Office including SharePoint and Google Suite - Strong analytical, critical thinking, and organizational skills - Proficiency in working at multiple levels with internal and external customers - Ability to communicate clearly and effectively both orally and in writing - Ability to manage and maintain program documents Desired Skills: - Certified Defense Financial Manager (CDFM) and/or Certified Government Financial Management (CGFM) certification Benefits: - Competitive pay - Medical, dental, vision, life, and disability insurance - Voluntary benefits including critical illness, hospital, and accident coverage - Health savings and flexible spending accounts - 401(k) retirement plan - Paid leave programs

🏢 Summary: Hybrid NavAir Model Based Systems Engineering (MBSE) Specialist role supporting the DAiTA Group with development of executable architectures, system models, and digital technical baselines. The position focuses on SysML-based modeling, systems analysis, and creation of real-time metric dashboards for Naval LIFT/IME initiatives. Responsibilities include leading MBSE activities and managing integrated process architectures and data environments. 🗂️ Requirements: Bachelor’s degree in related discipline, 3+ years of relevant MBSE or systems engineering experience, Active Secret clearance, Ability to work on-site in Patuxent River, MD area as required, Experience with CAMEO, Teamwork Cloud, or other MBSE tools, Experience with Tableau, Grafana, OpenShift, Confluence, Jira, Proficiency with Microsoft Office Suite 📃 Skills: MBSE, SysML, UML, CAMEO, Teamwork, Tableau, Grafana, OpenShift, Confluence, Jira, Excel, Outlook, PowerPoint 🏢 Description: Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn. Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation. Great Hill Solutions is seeking a highly motivated NavAir Model Based Systems Engineering Specialist (MBSE) to provide and support our government customer with model based systems engineering support. This position will be hybrid within the Patuxent River, MD, area. This position will entail supporting the Naval Air Systems Command (NavAir), in particular, the Digital Analytics, Infrastructure and Technology Advancement (DAiTA) Group. They will support and perform Model Based Systems Engineering activities in support of the DAiTA Group and associated DAiTA Group customers. They will also lead and oversee metric dashboard initiatives related to the Naval LIFT / IME. Roles and Responsibilities include, but are not limited to: Supports systems engineering functions by developing executable architectures, system models, simulations, or analysis of architectures (Enterprise, SoS, Systems, components, etc.) to model inter-relationships of all positions and activities in the system, including the impact of changes in one area on another area This includes the ability to see and understand the inter-relationships between components of systems, plans and technical and non-technical processes, anticipate future events, and apply the principles of systems thinking to accelerate performance Utilizes knowledge of object modeling or object oriented design concepts and techniques, including exposure to either UML or SysML in crafting of digital system models (defining and analyzing behaviors, interfaces, and parametric) Establish and manage digital representations of the weapon system's technical baselines. Provide guidance on the analysis and synthesis of Requirements, Interfaces, Behavior, Structure and Parametric (RIBS-P) across the weapon systems technical baselines utilizing Model-Based System Engineering (MBSE)/SysML and various modeling and simulation tools Lead or assists with development of integrated process architecture infrastructures, process models, product structure definitions and/or data requirements/data management processes. Lead and oversee the creation of dashboards presenting real time metrics leveraging software such as Tableau, Grafana, OpenShift, Confluence, Jira, etc. Basic Qualifications: Bachelors Degree in related discipline and 3+ years of relevant experience Active Secret Clearance Ability to report on site as needed Experience utilizing CAMEO, Teamwork Cloud, or other MBSE software tools. Experience utilizing Tableau, Grafana, OpenShift, Confluence, and Jira software. Excellent verbal and written communication skills Strong interpersonal and leadership skills Excellent organizational skills Excellent time management skills with proven ability to meet deadlines Proficiency with Microsoft Office Suite (Excel, Outlook, Powerpoint, etc.) Desired Skills: Active Top Secret DoD and NavAir experience Additional experience with Atlassian JIRA is desired Salary at Seneca is based on a variety of factors including but not limited to location, experience, skill set, performance, licensure and certification, as well as contract-specific affordability and organizational requirements. The range of this position in other geographic locations may differ. The projected compensation range for this position is below. The estimate displayed represents the typical salary range for this position and is just one component of our total compensation package for employees. The projected compensation range for this position is:$110,000—$170,000 USD Equal Opportunity Statement:Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.