Linux Systems Administrator TS/SCI – On-Call Ready

Zohorecruit; Columbia (MD); On-site; USD 111,000 - 135,000; Full time

Benefits offered by this job

Salary commensurate with experience

Job summary

Zohorecruit is seeking a Systems Administrator 1 in Columbia, United States, to provide hands-on Linux administration in a mission-critical environment. You will perform command-line system admin tasks, monitor data flows, and respond to routine to moderately complex issues.

The role includes coordinated 6:00 AM–6:00 PM business hours, 24/7 on-call rotation every 5–6 weeks, and shift differential for extended coverage. Competitive base salary with benefits is offered.

Qualifications

• Active TS/SCI with Polygraph.
• Minimum of five years of direct Linux systems administration experience.
• Strong command-line proficiency with Linux and shell utilities.

Responsibilities

• Linux Administration: Perform daily operating system management, maintenance, user administration, and system health checks using command-line tools.
• Data & Message Flows: Monitor, manage, and verify application, data, and messaging pipeline performance across core systems.
• Troubleshooting & Issue Resolution: Investigate, diagnose, and resolve technical hardware, software, and operational bottlenecks.
• System Availability: Ensure mission system uptime by adhering to operational procedures and responding promptly to system alerts and downtime incidents.
• Documentation & Coordination: Document system modifications, track recurring issues, and collaborate with engineering peers during handoffs and scheduled maintenance windows.

Skills

Linux administration

Command-line

Troubleshooting

System monitoring

Tools

Shell scripting

SSH

Job description

Zohorecruit is seeking a Systems Administrator 1 in Columbia, United States, to provide hands-on Linux administration in a mission-critical environment. You will perform command-line system admin tasks, monitor data flows, and respond to routine to moderately complex issues.

The role includes coordinated 6:00 AM–6:00 PM business hours, 24/7 on-call rotation every 5–6 weeks, and shift differential for extended coverage. Competitive base salary with benefits is offered.