> Markdown version of [/jobs/ext/4620247-ts-sci-penetration-tester-network-application-security](https://www.wearedevelopers.com/jobs/ext/4620247-ts-sci-penetration-tester-network-application-security). 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). --- # TS/SCI Penetration Tester - Network & Application Security - **Company:** Constellation Technologies, Inc. - **Location:** Linthicum Heights, MD, United States - **Contract:** Permanent contract - **Skills:** Application Testing, Software Security - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_45be57c9145bc1692b6df7436496e556 ## About the Role Constellation Technologies, Inc. seeks a Penetration Tester with active TS/SCI clearance and polygraph for on-site work in Linthicum Heights, MD. Role requires DoD 8570 IAT III compliance, network and application testing, and RMF expertise. Bachelor's degree or 12 years of related experience along with US citizenship are required.