> Markdown version of [/jobs/ext/4625474-senior-software-test-engineer-ts-sci-lead-mentor](https://www.wearedevelopers.com/jobs/ext/4625474-senior-software-test-engineer-ts-sci-lead-mentor). 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). --- # Senior Software Test Engineer (TS/SCI) - Lead & Mentor - **Company:** Belay Technologies, Inc - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Automation of Tests, Software Quality, Signals Intelligence, Software Engineering - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25197_19d1bf681e1346e1306bf24f8f9d1c15 ## About the Role You will support software quality through testing and automation, and guide junior engineers. Qualified candidates will have TS/SCI with polygraph, 8+ years of software engineering, and experience in SIGINT/IA/IT domains.