Senior Linux Systems Engineer - TS/SCI with Poly

J&T Business Consulting; Columbia (MD); On-site; USD 145,000 - 172,000; Full time

Benefits offered by this job

Health insurance

401(k) retirement plan

Paid time off and holidays

Paid parental leave

Life insurance and disability

Job summary

J&T Business Consulting in Columbia, MD is seeking a Systems Engineer 2 to provide Linux-centric system administration in a mission-critical enterprise. The role emphasizes command-line maintenance, health monitoring, and secure data/messaging flows.

Qualified candidates bring at least five years of Linux administration experience and strong CLI proficiency; TS/SCI with Polygraph is required. On-call coverage and shift differentials apply for this full-time position with a competitive

Qualifications

• Active TS/SCI with Polygraph clearance.
• Minimum five (5) years of hands-on Linux systems administration experience.
• Solid command-line proficiency across Linux environments, system utilities, and shell navigation.

Responsibilities

• System Administration: Linux OS administration, configuration, maintenance, and patching via CLI.
• Pipeline & Messaging Management: monitor and maintain application, data, and messaging pipeline performance for mission continuity.
• Troubleshooting & Remediation: diagnose and resolve infrastructure and OS defects, bottlenecks, and anomalies.
• Operational Readiness: ensure mission system uptime, follow SOPs, and respond to automated alerts.
• Collaboration & Handoffs: maintain documentation, update tracking systems, and coordinate handoffs.

Skills

Linux command-line proficiency

Job description

J&T Business Consulting in Columbia, MD is seeking a Systems Engineer 2 to provide Linux-centric system administration in a mission-critical enterprise. The role emphasizes command-line maintenance, health monitoring, and secure data/messaging flows.

Qualified candidates bring at least five years of Linux administration experience and strong CLI proficiency; TS/SCI with Polygraph is required. On-call coverage and shift differentials apply for this full-time position with a competitive