Senior Mission Software Engineer

Str
San Diego, CA

A Mission Software Engineer develops and deploys software essential for a specific, real-world objective or "mission" in partnership with our customers. This approach differs from standard software engineering by placing a strong emphasis on the end-user's operational needs and the success of the overall mission, rather than just technical performance. Ensuring alignment to the mission and customer through an agile response to dynamic priorities can significantly improve the impact of STR software.  STR’s Analytics and Command & Control (AC2) Division focuses on developing actionable, advanced technology solutions to provide asymmetric advantages within the information domain.

The Mission Applications (MA) Group within the AC2 Division specializes in ensuring the STR technology produces outsized mission impact. MA team members are comprised of DevSecOps Engineers, Mission Software Engineers, Product Managers, and Program Managers. MA staff matrix with scientists and engineering staff from the various STR R&D groups to form dedicated product teams that are laser focused on the operational transition of cutting-edge software technologies.

The Role:

As a Mission Software Engineer in the Mission Applications Group, you will work as part of tightly knit Agile software teams to design, develop, and maintain software systems that are deployed to customer locations. You ensure that our software solutions meet the highest standards of quality, reliability, and performance. 

What you will do:


  • System Integration: Writing code that integrates various components into a single, cohesive system

  • Customer Collaboration: Working closely with end-users and customers, who are typically military or Government operators, to understand their requirements and translate them into software features

  • Deployment and Field Testing: Traveling to integration sites to build, test, and deploy software in real-world, operational environments

  • Triage and Debugging: Identifying and resolving software and system failures during integration

This role will take advantage of STR’s flexible, hybrid environment – when the work does not require use of STR’s or the customer’s facilities, you are welcome to work remotely. 

Who You Are:


  • Ability to obtain a security clearance, for which U.S. citizenship is needed by U.S. Government

  • BS in Computer Science or related technical field with at least 5 years of work experience

  • Demonstrated expertise in Java

  • Experience designing, building, testing, debugging, and maintaining a large codebase

  • Experience with the following:

    • Object-oriented programming principles

    • Service oriented architectures or micro-service architectures

    • Containerization/orchestration tools such as Docker and Kubernetes

    • Agile software lifecycle methodologies and tools, such as JIRA and SonarQube

    • DevOps or CI/CD tools such as Gitlab

    • Test-driven development methodologies



  • A demonstrated ability to adopt new languages, libraries, and technologies

  • Organized, detail-oriented, and with an ability to work both independently and collaboratively

  • Demonstrated experience as an effective communicator to both technical and non-technical audiences

Even Better:


  • Active Security Clearance at the Secret level

  • Experience within the Department of Defense

  • Advanced Degree in Computer Science, Information Technology, or related technical field

  • Located near STR office in Carlsbad, CA or near Honolulu, HI

STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at for more info.


STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.

If you need a reasonable accommodation for any portion of the employment process, email us at [email protected] and provide your contact info.

Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.

Posted 2026-02-13

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