Two Six Technologies
Senior Systems Software Engineer
$144K–$216K
Arlington, Virginia +1 · Senior · Full-time · Posted Oct 13, 2026
- Location
- Arlington, Virginia
Arlington, Virginia, United States - Experience
- 9+ years in systems programming, data center infrastructure, or network architecture.
- Education
- Bachelor’s degree in Computer Science, Computer/Electrical Engineering, Systems Engineering, or a related technical domain.
- Visa sponsorship
- Applicants must have an active Top Secret Clearance with ability to obtain SCI.
About the job
Build and integrate Linux-based, hardware-facing networking platforms, including systems software, PCIe architecture, and production-ready COTS components.
What you'll do
- Develop C and Python systems software for low-level networking, hardware-facing code, and Linux kernel integration.
- Implement Linux internals work and configure PCIe architecture, networking offloads, and out-of-band management interfaces.
- Collaborate with hardware and mechanical engineers to deliver production-ready platforms and communicate technical designs and project status.
What they ask for
- Bachelor’s degree in Computer Science, Computer/Electrical Engineering, Systems Engineering, or a related technical domain.
- Deep expertise in C and Python systems programming, Linux internals, and PCIe system architecture.
- Demonstrated experience in high-performance networking, out-of-band management, and collaboration with hardware and mechanical engineers.
- Active Top Secret Clearance; willingness to speak with classified customers and ability to work on-site in Arlington, VA.
Nice to have
- Master's or Graduate degree in a related technical domain, alongside an active Top Secret/SCI clearance.
- Experience with platform security frameworks, embedded/firmware tasks, GPU compute, network security monitoring, live memory forensics, COTS hardware integration, automation, CI/CD, or CNO capabilities.
Pay
$143,763 — $215,644 USD annualized base salary
Tools
C, Python, Linux, PCIe, BMC, REST, CUDA, ARM
Model-written summary · the original posting is authoritative