Senior Software Engineer – DoD Clearance Eligible

Applied Physical Sciences Corp (APS); Arlington (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Applied Physical Sciences Corp (APS) in Arlington, VA seeks a Senior Engineer to contribute independently and mentor junior engineers across major national-level programs. You will advance software for communication, control interfaces, simulations, and data visualizations, while ensuring reliability in distributed and real-time systems.

The role requires strong skills in modern languages, Linux, and tooling, with potential DoD clearance.

Qualifications

• BS or MS in computer science, engineering, applied math/physics, or a related field.
• Fluency in C++, Rust, Python, or other modern programming languages.
• Experience developing on Linux platforms.
• Experience using modern software engineering tooling, such as git, CI pipelines, Docker, Kubernetes, and Unity.
• Strong understanding of software design principles and user experience considerations.
• Ability to obtain and maintain a U.S. Department of Defense Secret Security Clearance.

Responsibilities

• Lead components of communication and networking software development and mentor junior engineers.
• Own the implementation of command-and-control interfaces, simulations, and data visualizations.
• Design and optimize algorithms for signal processing, autonomy, or embedded systems; review team designs.
• Lead integration of software into distributed or real-time systems ensuring reliability and performance.
• Collaborate with cross-functional teams and contribute to proposal sections as a technical subject matter contributor

Skills

C++/Rust/Python fluency

Linux development

Software engineering tooling

DoD security clearance readiness

Mentoring junior engineers

Education

BS in CS/Engineering/Applied Math/Physics

MS in CS/Engineering/Applied Math/Physics

PhD (entry) in related field

Tools

Git

CI pipelines

Docker

Kubernetes

Unity

Job description

Applied Physical Sciences Corp (APS) in Arlington, VA seeks a Senior Engineer to contribute independently and mentor junior engineers across major national-level programs. You will advance software for communication, control interfaces, simulations, and data visualizations, while ensuring reliability in distributed and real-time systems.

The role requires strong skills in modern languages, Linux, and tooling, with potential DoD clearance.