> Markdown version of [/jobs/ext/2771643-test-engineer-2-ts-sci-clearance-with-full-scope-polygraph](https://www.wearedevelopers.com/jobs/ext/2771643-test-engineer-2-ts-sci-clearance-with-full-scope-polygraph). 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). --- # Test Engineer 2 (TS/SCI Clearance with Full Scope Polygraph) - **Company:** J&T Business Consulting - **Location:** Columbia, MD, United States - **Salary:** $117,000.0 - $141,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Application Testing, Automation of Tests, Command-Line Interface, Linux, Linux System Administration, Linux Commands, Log Analysis, Verification and Validation (Software), System Testing - **Published:** September 7, 2026 - **Apply:** https://www.careerjet.com/job/us42632874e9e3032ee0c0fbf0689669bd/eaa ## About the Role The Test Engineer 2 delivers application and systems testing support within a mission-critical environment governed by strict compliance and operational standards. This role focuses on executing functional and compliance testing, diagnosing complex technical issues, documenting test outcomes, and supporting the end-to-end software test lifecycle. The position requires solid hands-on Linux experience and the ability to operate independently across technical, cross-functional teams., Clearance: Active TS/SCI with Polygraph., Bachelor's degree plus a minimum of five (5) years of relevant testing experience, OR Ten (10) years of Test Engineer experience in lieu of a degree. Operating Systems: Solid hands-on experience working in Linux environments, including navigation and troubleshooting via command-line tools. Testing Expertise: Proven background in application-level functional testing, systems verification, defect tracking, and test procedure documentation. ## Description Systems & Application Testing: Execute application-level and systems testing to validate critical mission requirements, including functional testing of COTS and vendor-provided user client applications. Interface & Compliance Verification: Verify that client applications correctly interface and operate with ITS components while adhering to strict technical, security, and operational compliance mandates. Test Lifecycle Execution: Develop, execute, and maintain detailed test cases, procedures, and test result documentation across all testing phases. Defect Investigation & Resolution: Identify, isolate, document, and track software/system defects through resolution; collaborate with engineering and operations teams to validate corrective fixes. Linux Environment Operations: Utilize Linux command-line utilities to perform deep-dive troubleshooting, log analysis, and system verification. Process Improvement: Assist in modernizing test methodologies, refining standard operating procedures, and expanding test automation capabilities. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Progressive Delivery in Kubernetes](https://www.wearedevelopers.com/videos/949-progressive-delivery-in-kubernetes) - [What’s New with Windows Power-User Tools](https://www.wearedevelopers.com/videos/2069-what-s-new-with-windows-power-user-tools) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [What is a Test Plan: Guide to Test Planning](https://www.wearedevelopers.com/magazine/191-what-is-a-test-plan-guide-to-test-planning) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)