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# 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:** September 7, 2026
- **Apply:** https://www.careerjet.com/job/usfd9e660a9f6e643a0702b632e90e662a/eaa

## About the Role

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

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.
Operations Coverage & Schedule
Operational Hours: Core business-day coverage spans 6:00 AM - 6:00 PM, coordinated among team members to maintain seamless coverage.
On-Call Rotation: 24/7 after-hours support distributed via an on-call rotation, typically serving as the primary lead once every 5-6 weeks.
Shift Differential: Additional compensation is provided for dedicated on-call rotations and extended operational hours., 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.


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