> Markdown version of [/jobs/ext/4601110-systems-integration-test-engineer-stf-level-iv](https://www.wearedevelopers.com/jobs/ext/4601110-systems-integration-test-engineer-stf-level-iv). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Integration/Test Engineer Stf (Level IV) - **Company:** Lockheed Martin - **Location:** King of Prussia, PA, United States - **Salary:** $118,000.0 - $219,100.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Continuous Integration, Programming Tools, Regression Testing, Software Engineering, Software Requirements Analysis, Systems Integration, Cypress (Programming Language), Gitlab, Kubernetes, Docker, Jenkins - **Published:** November 6, 2026 - **Apply:** https://www.jobmonkeyjobs.com/career/28164861/Systems-Integration-Test-Engineer-Stf-Level-Iv-Pennsylvania-King-Prussia-1301 ## About the Role * Familiarity with the software development lifecycle. * Experience with the Space domain (satellite ground systems and orbital platforms). * Experience developing and communicating clear, concise test procedures. * Experience coordinating testing events and activities in complex environments. * Must be able to obtain a Top Secret clearance; US citizenship required. Desired Skills * Strong communication and coordination skills * Previous Experience with Ground Product Line Tools and Applications (Compass, Horizon) * Experience with continuous integration pipelines (Jenkins, GitLab, Travis, etc.) * Self-driven - ability to work independently and in a team environment * Ability to work and communicate with teams spread across the country * Experience with writing use cases, scenarios, and software requirements for complex systems and defining measurements of success for them * Experience with 1LMX Test and Development tools, software, and processes (e.g. Cypress, CI/CD pipelines, Docker container deployments, Kubernetes) * Experience with AI driven 1LMX tools for test and development ## Description The Systems Integration & Engineering organization within LM Space is searching for a motivated and passionate Mission Operations Support Engineer Lead to join our Ground Product Lines Mission Support Team in King of Prussia, PA or Boulder, CO. In this role, your focus on the program will be as a liaison between our Mission Operations team and our Ground Development Team, ensuring any issues, deliveries, and general support is taken care of. Roles and responsibilities include: * Support Mission Operations Team Critical Meetings and respond to issues when they arise * Regression Test of software when new builds are delivered * Coordination with program for official software build deliveries * Support to Mission Operations during critical events * Clearly communicating ideas and collaborate across multiple teams * Support both classified on-site and unclassified testing events