> Markdown version of [/jobs/ext/4248795-systems-engineer-2-ts-sci-clearance-with-full-scope-polygraph-required](https://www.wearedevelopers.com/jobs/ext/4248795-systems-engineer-2-ts-sci-clearance-with-full-scope-polygraph-required). 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 Engineer 2 (TS/SCI Clearance with Full Scope Polygraph Required) - **Company:** J&T Business Consulting - **Location:** Columbia, MD, United States - **Experience:** Expert - **Salary:** $145,000.0 - $172,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Bash Shell, Command-Line Interface, Linux, Linux System Administration, System Software - **Published:** October 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=866d493af3aae43d ## About the Role The System Administrator 2 delivers comprehensive Linux systems administration and operational support within a mission-critical, high-availability enterprise environment. This position centers on command-line system maintenance, system health monitoring, and overseeing application, data, and messaging flows. The ideal candidate brings solid, hands-on Linux administrative expertise and the ability to independently diagnose and resolve routine to moderately complex technical issues., * Clearance: Active TS/SCI with Polygraph. * Certification: Active DoD 8570/8140 IAT Level I certification (e.g., A+ CE, CCNA-Security, Network+ CE, SSCP). * Experience: Minimum of five (5) years of hands-on Linux systems administration experience. * Technical Skills: Solid command-line proficiency across Linux environments, system utilities, and shell navigation. ## Description * System Administration: Execute routine and advanced Linux OS administration, configuration, maintenance, and patching using command-line interfaces. * Pipeline & Messaging Management: Oversee, monitor, and maintain application, data, and messaging pipeline performance to support mission continuity. * Troubleshooting & Remediation: Independently isolate, troubleshoot, and resolve infrastructure and operating system defects, bottlenecks, and anomalies. * Operational Readiness: Ensure mission system uptime, adhere to standard operational procedures, and respond swiftly to automated system alerts. * Collaboration & Handoffs: Maintain clear operational documentation, update tracking systems, and coordinate closely with team members during operational handoffs.