> Markdown version of [/jobs/ext/4352678-test-engineer-2-ts-sci-clearance-with-full-scope-polygraph](https://www.wearedevelopers.com/jobs/ext/4352678-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 - **Experience:** Expert - **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:** October 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=13dee8701722b61c ## About the Role * 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 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., * 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.