Senior Systems Engineer

Quick Facts

• Role: Senior Systems Engineer (Integrated Product Team)

• Focus: Architecture, integration, security, and performance of complex networked systems with IP voice and Unified Communications

• Work location: Onsite near Largo, Florida

• Clearance: Active DoD Top Secret required

Description

As a Senior Systems Engineer, you will define system requirements and architectures, lead network and voice system integration, and drive vulnerability management and cybersecurity compliance for IP networked systems. You will work with software engineers across system administration, identity management, PKI, and application development, and support integration, test and evaluation, and system qualification. This role requires strong communication, independence, and problem-solving in an Agile/Scrum environment.

Responsibilities

• Translate customer needs into testable, verifiable system requirements; maintain requirements traceability using DOORS
• Develop system and network architectures, interface definitions, and design documentation for voice, video, and data services
• Design, configure, and maintain network infrastructure (routers, switches, LANs, WANs) using Cisco and/or Juniper
• Architect and integrate voice and Unified Communications (UC) including SIP signaling, RTP/SRTP media transport, codecs, and session border controllers
• Analyze and optimize voice/video quality and network performance using QoS design and tools such as Wireshark
• Conduct vulnerability scanning (Nessus/Tenable/ACAS), analyze results, and recommend and track remediation via POA&Ms
• Apply security best practices and standards such as DISA STIGs, NIST SP 800-53, and the Risk Management Framework across IP networks and software development
• Collaborate with software engineers on hardened OS images, PKI, user authentication, and domain services
• Run trade studies and provide technology and design recommendations
• Develop test plans and support integration/verification/validation, fault isolation, and system qualification testing
• Provide technical leadership and mentoring to junior engineers
• Support all lifecycle phases using Agile/Scrum and communicate with stakeholders and leadership

Benefits

Not specified in the provided posting.

Requirements

• Active DoD Top Secret Security Clearance
• Bachelor’s degree in a STEM field (or advanced degree) with required years of experience
• 6+ years of relevant systems engineering, network engineering, or systems development experience (or advanced degree with 4+ years)
• In-depth knowledge of TCP/IP, routing protocols, subnetting, switching, LANs, and WANs
• Hands-on experience configuring and maintaining routers and switches
• Advanced knowledge of voice and video protocols (signaling, media transport, codecs, and audio quality optimization)
• Ability to perform vulnerability scanning with tools such as Nessus/Tenable and analyze results for remediation planning
• Strong understanding of security best practices and standards across IP networks, voice systems, and software development
• Experience or knowledge of Agile/Scrum methodologies
• Strong written and verbal communication; ability to collaborate, document technical processes, and present solutions
• Ability to prioritize tasks, manage deadlines, and handle multiple projects; strong organization and attention to detail
• Ability to reside within commuting distance to Largo, FL or willingness to relocate