Senior Software Engineer (REQ 351)

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

We are seeking a Senior Engineer to join our team in Arlington, VA. Candidates should hold a BS (5+ years), MS (3+ years), or PhD (entry) in a related technical field and have deep experience with modern programming languages, including C++, Rust, or Python. You will make significant independent contributions and mentor junior engineers while delivering robust solutions across technical programs.

Our environment emphasizes innovation, high technical standards, and an entrepreneurial mindset. Team members are encouraged to contribute ideas, take ownership of their work, and help shape solutions to complex national-level challenges.

Job Functions And 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

Required Skills and Attributes

• 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

Preferred Skills and Attributes

• Background or interest in autonomy, networking, embedded systems, or communications theory
• Familiarity with IP/TCP/UDP networking and serial communication protocols
• Experience with NoSQL databases (e.g., MongoDB)
• Experience with Zynq SoC platforms, microcontrollers, FPGAs, VHDL, or embedded development
• Experience with autonomy or robotics frameworks such as ROS
• Experience with numerical algorithms, modeling, or real-time systems
• Fluency with TypeScript and front-end web development frameworks such as React, Angular, or Vue

APS, a wholly owned subsidiary of the General Dynamics Corporation, offers competitive salaries, excellent benefits, and comfortable working conditions.

Candidates must possess or be able to obtain a DoD security clearance. Please note, obtaining a security clearance is a condition of employment which typically requires US citizenship and a thorough background investigation.

EOE: Vet/Disability

Invitation to Self-Identify

In keeping with our commitment to Equal Employment Opportunity (EEO), Applied Physical Sciences invites all applicants to self-identify pre-offer as a protected veteran.

Invitation to Self-Identify as Protected Veteran

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