Sr. Associate, Software Engineer

L3HHCM20•Colorado Springs, CO

4d•$74,500 - $138,500•Onsite

About The Position

The Senior Associate Software Engineer, Space Surveillance Telescope, is a hands-on individual contributor supporting mission software development for a space-surveillance program. SST supports tracking resident space objects and broader Space Domain Awareness mission needs. Using practical experience in backend and systems-oriented software development, the role designs, implements, tests, and integrates software that supports mission data processing, orbit and track-related workflows, and operational mission functions. The position emphasizes C++ and Java development in Linux and other backend environments, with close collaboration across systems engineering, integration and test, cybersecurity, and operations.

Requirements

Requires practical knowledge of software engineering within the assigned job area.
Bachelor's Degree and a minimum of 2 years of prior related experience, or Graduate Degree or equivalent with 0 to 2 years of prior related experience, or in lieu of a degree, minimum of 4 years of prior related experience.
Active Secret security clearance required.
Experience with software development, debugging, integration, and test in Linux, backend, or systems-oriented environments.

Nice To Haves

Proficiency in C++ and Java for backend, mission-processing, or other systems-oriented software.
Familiarity with Space Domain Awareness mission workflows, mission data products, or resident-space-object tracking concepts.
Experience with orbital mechanics fundamentals, track propagation, or SGP4-based workflows.
Experience with Linux-based backend or distributed-system software development.
Exposure to CI/CD, DevSecOps, automated build and test pipelines, or secure software delivery practices.
Experience with software integration, formal test, troubleshooting, and defect resolution in mission or sensor-system environments.
Experience with data-processing pipelines, messaging interfaces, or mission-data handling workflows.
Experience tuning or troubleshooting performance, throughput, latency, or resource usage in operational software.

Responsibilities

Design, implement, test, debug, integrate, and maintain mission software and supporting backend services for SST.
Develop software in C++ and Java for mission data ingest, processing, messaging, and orbit or track-related workflows.
Support track and orbit processing activities, including propagation, data-product generation, troubleshooting, and performance analysis in lab environments.
Collaborate across systems engineering, integration and test, cybersecurity, and operations to close interfaces, resolve defects, and sustain mission capability.
Contribute to automated test, CI/CD, secure software delivery, configuration management, and disciplined release practices for mission software.