May 30, 2026

Senior Software Engineer

Senior • On-site

Indianapolis, IN

CTEC is a leading technology firm that provides modernization, digital transformation, and application development services to the U.S. Federal Government. Headquartered in McLean, VA, CTEC has over 300 team members working on mission-critical systems and projects for agencies such as the Department of Homeland Security, Internal Revenue Service, and the Office of Personnel Management. The work we do effects millions of U.S. citizens daily as they interact with the systems we build. Our best-in-class commercial solutions, modified for our customers' bespoke mission requirements, are enabling this future every day.

The Company has experienced rapid growth over the past 3 years and recently received a strategic investment from Main Street Capital Corporation (NYSE: MAIN). In addition to our recent growth in Federal Civilian agencies, we are seeking to expand our capabilities in cloud development and footprint in national-security focused agencies within the Department of Defense and U.S. Intelligence Community.

We are currently seeking a Software Engineer (Senior) to join our team.

Position Summary

The Software Engineer (Senior) is responsible for conducting and/or participating in multidisciplinary research and collaborating with equipment designers and hardware engineers in the planning, design, development, testing, implementation, and utilization of electronic data processing systems software. This role involves analyzing user requirements, advising hardware designers on software-related machine characteristics, and developing system software solutions to support enterprise operations. This position supports the Defense Finance and Accounting Service (DFAS) with their IBM mainframe-based civilian payroll system.

The ideal candidate will possess extensive experience in software engineering, mainframe technologies, database systems, and performance optimization within complex enterprise environments.

Key Responsibilities

  • Design, develop, test, implement, and maintain software systems and applications.
  • Collaborate with multidisciplinary teams, including hardware engineers and system architects, to develop integrated software solutions.
  • Analyze and determine computer user needs and system requirements.
  • Advise hardware designers on machine characteristics that affect software systems, including:
    • Storage capacity
    • Processing speed
    • Input/output requirements
  • Design and develop compilers, assemblers, utility programs, and operating systems software.
  • Perform software troubleshooting, debugging, and performance tuning.
  • Support system integration, modernization, and enhancement initiatives.
  • Develop and maintain technical documentation and system specifications.
  • Ensure software solutions meet operational, security, and performance standards.
  • Analyze and resolve Action Requests and ABENDs (unplanned program terminations.
  • Design, develop, and maintain micro-applications using Visual Basic for Applications (VBA) within Microsoft Office products (Access, Excel) in response to customer requirements.

Required Qualifications

Candidates submitted for this labor category must possess one of the following required skillsets (not both):

Option 1

  • Expert knowledge and 5–8 years of hands-on experience with:
    • Oracle
    • COGNOS
    • JavaScript

OR

Option 2

  • Expert knowledge and 5–8 years of hands-on experience with:
    • Broadcom Endevor

Preferred Qualifications

  • Expert knowledge and 5–8 years of experience with:
    • IDMS database
    • System performance and measurement
    • COBOL programming
    • JCL
    • Assembler programming (IBM mainframe)
    • REXX scripting; MQ Series (MQSeries 6.0)
    • z/OS mainframe environment; IBM tools: TSO, ISPF, SDSF
    • VBA / Micro-application development (MS Access, MS Excel)

Desired Skills

  • Strong analytical and problem-solving abilities.
  • Experience supporting large-scale enterprise or government environments.
  • Excellent written and verbal communication skills.
  • Ability to work independently and collaboratively within technical teams.
  • Experience with legacy system modernization and integration efforts is a plus.
  • Experience with DFAS, DoD, or civilian payroll systems (e.g., DCPS or equivalent government financial systems).
  • Familiarity with DoD/DFAS security requirements and CAC-enabled environments; understanding of CMMI Level 4 processes.

Education & Experience

  • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field preferred.

Clearance: Active Secret clearance required.

If you are looking for a fun and challenging environment with talented, motivated people to work with, CTEC is the right place for you. In addition to employee salary, we offer an array of employee benefits including:

  • Paid vacation & Sick leave

  • Health insurance coverage

  • Career training

  • Performance bonus programs

  • 401K contribution & Employer Match

  • 11 Federal Holidays

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It involves close collaboration with Data Scientists to bridge prototype and production systems with strong emphasis on performance, reliability and low-latency design. 🗂️ Requirements: 5+ years of experience in modern C++ (C++17/C++20), Strong understanding of multithreading, concurrency and synchronization in Linux, Experience developing deterministic, low-latency real-time systems, Proficiency with CMake and Conan package management, Experience profiling and optimizing CPU and memory usage in constrained Linux environments, Experience writing unit and automated tests, Ability to debug low-level communication issues, Hands-on experience with Docker in Linux production environments, Experience with CI/CD and release pipelines, Familiarity with Azure DevOps, JIRA, Confluence or Bitbucket, Fluent English (B2+ level) 📃 Skills: C++, C++17, C++20, Linux, CMake, Conan, Docker, CI/CD, Azure, JIRA, Confluence, Bitbucket, Python, MQTT, ZeroMQ, ProtoBuf, Kafka, HTTP, Bash, Kubernetes, TCP/IP, systemd, .NET, C# 🏢 Description: We are seeking a Senior C Software Engineer to collaborate with Data Scientists and Machine Learning experts in transforming prototype algorithms into hardened, reliable, production-grade applications. In this role, you will convert research workflows into high-performance C++ systems capable of running on resource-constrained hardware or scalable cloud environments. Responsibilities Collaborate closely with Data Scientists and Machine Learning experts to turn prototype algorithms and data processing pipelines into hardened, reliable, production-grade "always-on" applications written in C++ Conversion of research and prototype ML/data-processing workflows (primarily Python-based) into high-performance, reliable C++ production systems Implementation of data quality safeguards, sanitization and required low-level interfaces for real-time inference on streaming data Optimization of code for predictable behavior, high reliability and efficient resource utilization (compute/memory/storage) on resource-constrained environments Support the development of high-performance, high-reliability solutions capable of running on resource-constrained hardware or in cost-effective, highly-scalable cloud applications Translation of real-world process dynamics, sensor behavior and system constraints into realistic online control solutions Documentation and communication of assumptions, results, limitations, risks and deployment considerations for discussion with the broader technical audience Requirements 5+ years of experience in modern C++ software development using C++17/C++20 Understanding of multithreading, concurrency, synchronization and performance optimization in Linux environments Background in developing deterministic, low-latency software for real-time systems Proficiency in CMake, modern C++ build systems and Conan package management for C++ Skills in profiling and optimizing CPU/memory utilization in constrained Linux environments Competency in writing unit tests and automated tests Proven capability to debug low-level communication issues and optimize performance under constrained environments Hands-on expertise designing, deploying and debugging containerized applications using Docker in Linux production environments Experience with CI/CD & Release pipelines: multi OS runners, artifact signing, SBOMs/vulnerability scanning Familiarity with Agile toolsets such as Azure DevOps, Atlassian tools like Confluence, JIRA and Bitbucket Fluent English communication skills at a B2+ level Nice to have Capability to independently deploy and manage cloud-native or edge-native microservices in Linux environments Flexibility to work closely with research, data science and platform engineering teams to bridge prototype and production environments Skills in Python and C++ interoperability Familiarity with industry IoT standards and protocols such as MQTT/SparkplugB, ZeroMQ, ProtoBuf, Kafka and HTTP Expertise in Linux, Bash/Shell scripting, Docker, TCP/IP networking, Kubernetes, systemd, logging, OTA/rollback strategies and advanced debugging techniques Background in deploying software in industrial environments, including remote diagnostics and field support Familiarity with .NET/C# We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

Technology

EPAM Systems

Senior C Software Engineer

Senior

Remote

Krakow, Poland

🏢 Summary: Senior C++ Software Engineer role focused on transforming Python-based research and machine learning prototypes into high-performance, production-grade C++ systems for real-time and resource-constrained environments. The position involves optimizing, containerizing and deploying reliable applications across Linux and scalable cloud platforms. It includes close collaboration with data science teams to deliver deterministic, low-latency solutions for streaming and industrial use cases. 🗂️ Requirements: 5+ years of experience in modern C++ (C++17/C++20), Strong knowledge of multithreading, concurrency and synchronization in Linux, Experience developing deterministic, low-latency real-time systems, Proficiency with CMake and Conan package management, Experience profiling and optimizing CPU and memory usage in constrained Linux environments, Ability to write unit and automated tests, Experience debugging low-level communication and performance issues, Hands-on experience with Docker in Linux production environments, Experience with CI/CD and release pipelines (multi-OS runners, artifact signing, SBOMs, vulnerability scanning), Familiarity with Agile tools (Azure DevOps, JIRA, Confluence, Bitbucket), Fluent English (B2+) 📃 Skills: C++, C++17, C++20, Linux, Multithreading, Concurrency, CMake, Conan, Docker, CI/CD, AzureDevOps, JIRA, Confluence, Bitbucket, Python, MQTT, ZeroMQ, ProtoBuf, Kafka, HTTP, Bash, Kubernetes, TCP/IP, systemd 🏢 Description: We are seeking a Senior C Software Engineer to collaborate with Data Scientists and Machine Learning experts in transforming prototype algorithms into hardened, reliable, production-grade applications. In this role, you will convert research workflows into high-performance C++ systems capable of running on resource-constrained hardware or scalable cloud environments. Responsibilities Collaborate closely with Data Scientists and Machine Learning experts to turn prototype algorithms and data processing pipelines into hardened, reliable, production-grade "always-on" applications written in C++ Conversion of research and prototype ML/data-processing workflows (primarily Python-based) into high-performance, reliable C++ production systems Implementation of data quality safeguards, sanitization and required low-level interfaces for real-time inference on streaming data Optimization of code for predictable behavior, high reliability and efficient resource utilization (compute/memory/storage) on resource-constrained environments Support the development of high-performance, high-reliability solutions capable of running on resource-constrained hardware or in cost-effective, highly-scalable cloud applications Translation of real-world process dynamics, sensor behavior and system constraints into realistic online control solutions Documentation and communication of assumptions, results, limitations, risks and deployment considerations for discussion with the broader technical audience Requirements 5+ years of experience in modern C++ software development using C++17/C++20 Understanding of multithreading, concurrency, synchronization and performance optimization in Linux environments Background in developing deterministic, low-latency software for real-time systems Proficiency in CMake, modern C++ build systems and Conan package management for C++ Skills in profiling and optimizing CPU/memory utilization in constrained Linux environments Competency in writing unit tests and automated tests Proven capability to debug low-level communication issues and optimize performance under constrained environments Hands-on expertise designing, deploying and debugging containerized applications using Docker in Linux production environments Experience with CI/CD & Release pipelines: multi OS runners, artifact signing, SBOMs/vulnerability scanning Familiarity with Agile toolsets such as Azure DevOps, Atlassian tools like Confluence, JIRA and Bitbucket Fluent English communication skills at a B2+ level Nice to have Capability to independently deploy and manage cloud-native or edge-native microservices in Linux environments Flexibility to work closely with research, data science and platform engineering teams to bridge prototype and production environments Skills in Python and C++ interoperability Familiarity with industry IoT standards and protocols such as MQTT/SparkplugB, ZeroMQ, ProtoBuf, Kafka and HTTP Expertise in Linux, Bash/Shell scripting, Docker, TCP/IP networking, Kubernetes, systemd, logging, OTA/rollback strategies and advanced debugging techniques Background in deploying software in industrial environments, including remote diagnostics and field support Familiarity with .NET/C# We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

Technology

EPAM Systems

Senior C Software Engineer

Senior

Remote

Lodz, LD, Poland

🏢 Summary: Senior C++ Software Engineer role focused on transforming research and machine learning prototypes into high-performance, production-grade C++ systems for real-time and resource-constrained environments. The position involves optimizing, containerizing and deploying reliable applications across edge and cloud platforms. It requires strong expertise in modern C++, Linux systems and performance-critical software development. 🗂️ Requirements: 5+ years of modern C++ development (C++17/C++20), Strong knowledge of multithreading, concurrency and synchronization in Linux, Experience building deterministic, low-latency real-time systems, Proficiency with CMake and Conan package management, Experience profiling and optimizing CPU/memory usage in constrained environments, Ability to write unit and automated tests, Experience debugging low-level communication and performance issues, Hands-on experience with Docker in Linux production environments, Experience with CI/CD and release pipelines (multi-OS runners, artifact signing, SBOMs, vulnerability scanning), Familiarity with Azure DevOps, Confluence, JIRA, Bitbucket, Fluent English (B2+ level) 📃 Skills: C++, C++17, C++20, Linux, CMake, Conan, Docker, CI/CD, Azure, JIRA, Bitbucket, Confluence, Python, MQTT, ZeroMQ, ProtoBuf, Kafka, HTTP, Bash, Kubernetes, TCP/IP, systemd 🏢 Description: We are seeking a Senior C Software Engineer to collaborate with Data Scientists and Machine Learning experts in transforming prototype algorithms into hardened, reliable, production-grade applications. In this role, you will convert research workflows into high-performance C++ systems capable of running on resource-constrained hardware or scalable cloud environments. Responsibilities Collaborate closely with Data Scientists and Machine Learning experts to turn prototype algorithms and data processing pipelines into hardened, reliable, production-grade "always-on" applications written in C++ Conversion of research and prototype ML/data-processing workflows (primarily Python-based) into high-performance, reliable C++ production systems Implementation of data quality safeguards, sanitization and required low-level interfaces for real-time inference on streaming data Optimization of code for predictable behavior, high reliability and efficient resource utilization (compute/memory/storage) on resource-constrained environments Support the development of high-performance, high-reliability solutions capable of running on resource-constrained hardware or in cost-effective, highly-scalable cloud applications Translation of real-world process dynamics, sensor behavior and system constraints into realistic online control solutions Documentation and communication of assumptions, results, limitations, risks and deployment considerations for discussion with the broader technical audience Requirements 5+ years of experience in modern C++ software development using C++17/C++20 Understanding of multithreading, concurrency, synchronization and performance optimization in Linux environments Background in developing deterministic, low-latency software for real-time systems Proficiency in CMake, modern C++ build systems and Conan package management for C++ Skills in profiling and optimizing CPU/memory utilization in constrained Linux environments Competency in writing unit tests and automated tests Proven capability to debug low-level communication issues and optimize performance under constrained environments Hands-on expertise designing, deploying and debugging containerized applications using Docker in Linux production environments Experience with CI/CD & Release pipelines: multi OS runners, artifact signing, SBOMs/vulnerability scanning Familiarity with Agile toolsets such as Azure DevOps, Atlassian tools like Confluence, JIRA and Bitbucket Fluent English communication skills at a B2+ level Nice to have Capability to independently deploy and manage cloud-native or edge-native microservices in Linux environments Flexibility to work closely with research, data science and platform engineering teams to bridge prototype and production environments Skills in Python and C++ interoperability Familiarity with industry IoT standards and protocols such as MQTT/SparkplugB, ZeroMQ, ProtoBuf, Kafka and HTTP Expertise in Linux, Bash/Shell scripting, Docker, TCP/IP networking, Kubernetes, systemd, logging, OTA/rollback strategies and advanced debugging techniques Background in deploying software in industrial environments, including remote diagnostics and field support Familiarity with .NET/C# We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

Technology

ALTEN

Embedded Software Engineer

Senior

On-site

Denver, CO

95,004 - 150,000 USD/yr

🏢 Summary: Software Engineer role focused on embedded and controls software development for automated commercial equipment and multi-functional hardware systems. The position involves working with cross-functional engineering teams to design, test, debug, and maintain real-time embedded software using C programming. Candidates should have strong embedded systems expertise, RTOS experience, and deep knowledge of microcontroller hardware. 🗂️ Requirements: Bachelor's degree in Computer Science or Electrical Engineering, 6+ years of engineering experience, Strong C programming skills, Experience with Real Time Operating Systems, Deep understanding of microcontroller hardware, Extensive embedded programming experience at hardware level, Ability to write technical and end-user documentation, Solid software design and debugging skills, Experience with RLL programming, GitHub utilization 📃 Skills: C, RTOS, Microcontrollers, Embedded, GitHub, RLL, CAN, Modbus, Serial, NEC, UL508A 🏢 Description: We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. As Software Engineer you will be responsible for; - Collaborate closely with an international team of Software Engineers, as well as Mechanical, Electrical, and Design Engineers. - Analyze user requirements and control systems. - Analyze, define, and develop software test procedures. - Research, design, and write Controls software for automated commercial equipment. - Develop and/or modify existing programs by analyzing and identifying potential improvements. - Plan, architect, and execute additions to a comprehensive codebase for multi-functional hardware systems. - Create technical specifications and write user-facing operational documentation. - Provide technical support by responding to questions, making suggestions, and analyzing equipment. - Experience writing code to interface with machine hardware (I/O modules, motors, sensors, etc.) – nice to have - Familiarity with industrial communication protocols (serial, CAN, Modbus) - nice to have Qualifications; - Bachelor's degree in Computer Science or Electrical Engineering - 6+ years of engineering experience, or equivalent combination of education and experience - Strong C programming skills are a must – only use C, coachable profiles okay - Experience with Real Time Operating Systems- homegrown RTOS. - Deep understanding of Microcontroller Hardware - Extensive knowledge of embedded programming down to the hardware level - Ability to write technical and end user documentation - Solid software design and debugging skills - RLL programming and GitHub utilization - Familiarity with National Electrical Code (NEC) and UL508A a plus Salary Range: $95,000 - $150,000 The actual salary offered is dependent on various factors including, but not limited to, location, the candidate's combination of job-related knowledge, qualifications, skills, education, training, and experience. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy. Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans' Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.