Software Engineer III: Signal Processing- SIGINT - San Diego
Job ID: 2026-320
Date Posted: 2026-07-22T00:00:00
Location: San Diego, California
Minimum Experience: 5 years
Education: Bachelor's Degree
Epsilon C5I (www.epsilonsystems.com/c5i), focused on software development and systems engineering for complex command, control, intelligence and combat systems, is seeking a Software Engineer III with a minimum of 5 years’ of Software Engineering experience for work in San Diego, CA. Our engineering efforts provide the warfighter with tools to provide critical support to operational mission capabilities. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment – read on!
Position Summary:
The Software Engineer will develop, integrate, optimize, and test advanced signal processing software supporting prototype and production-ready algorithm development. The engineer will work closely with algorithm developers to transition research into deployable capabilities.
Responsibilities:
Design and develop signal processing software.
Implement algorithms in C++, Python, or similar languages.
Integrate algorithms with sensor processing frameworks.
Optimize software for performance and scalability.
Develop automated testing and validation tools.
Support containerized and cloud-based processing environments where applicable.
Participate in Agile software development.
Support laboratory demonstrations and field testing.
Required Qualifications:
BS in Computer Science, Computer Engineering, Software Engineering, or related field.
5+ years software development experience.
Experience with:
C++
Python
Git
Linux
Object-oriented design
Understanding of digital signal processing concepts.
Candidate must have an active DoD Top Secret Clearance with SCI access.
Pursuant to the various government contractual requirements, all applicants must be U.S. Citizens.
Preferred Qualifications:
CUDA or GPU programming.
Embedded software development.
Docker/Kubernetes.
Machine Learning frameworks.
Experience processing large sensor datasets.
An active DoD Top Secret Clearance with SCI access, and a CI Polygraph
Pay Range:
The pay range for this role is $165,000 - $250,000 annually. This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
ADA Notations:
Regular communication (hearing/speaking).
Noise conditions range from very quiet to very noisy.
Prolonged use of computer (typing/keyboarding).
Frequently required to sit for long periods of time, standing, and walking.
Ability to travel by car, air or other means of transportation, if required.
Epsilon Systems Solutions, Inc. is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
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