Systems Administrator 1 (TS/SCI Clearance With Full Scope Polygraph Required)

Zohorecruit; New York (NY); On-site; USD 111,000 - 135,000; Full time

Benefits offered by this job

Health & Wellness

401(k) plan with company matching

PTO & holidays

Tuition reimbursement programs

Life & disability insurance

Job summary

Zohorecruit in Columbia, United States, is seeking a Systems Administrator 1 to provide hands-on Linux administration in a mission-critical environment. You will handle command-line management, system monitoring, routine maintenance, and data/messaging flows, resolving issues with solid Linux troubleshooting skills.

The role includes coordinated business hours, 24/7 on-call rotation every 5–6 weeks, and on-call shift differentials.

Qualifications

• Active TS/SCI with Polygraph clearance is required.
• Minimum of five years of direct Linux systems administration experience (no degree required).
• Solid command-line proficiency in Linux environments and shell navigation.

Responsibilities

• Perform daily Linux OS management, maintenance, and user administration.
• Monitor data, application, and messaging flow performance across core systems.
• Investigate and resolve hardware, software, and operational bottlenecks.
• Ensure system uptime by following procedures and responding to alerts.
• Document changes and coordinate with peers during maintenance windows.

Skills

Linux administration

Command-line proficiency

System monitoring

Maintenance & troubleshooting

Data & messaging flows

On-call support

Collaboration with engineering

Job description

Systems Administrator 1 (TS/SCI Clearance With Full Scope Polygraph Required)

Columbia, United States | Posted on 10/01/2026

Security Clearance: TS/SCI with Polygraph

Salary Range: $111,000 – $135,000

Role Overview

The System Administrator 1 provides hands-on Linux administration and operational support within a mission-critical enterprise environment. This role is responsible for command-line system administration, system monitoring, routine maintenance, and managing application, data, and messaging flows. The ideal candidate brings solid Linux troubleshooting experience and the ability to independently resolve routine to moderately complex technical issues.

Operations Coverage & Schedule

• Business Hours: Coordinated team coverage spanning 6:00 AM – 6:00 PM on standard business days.
• On-Call Rotation: 24/7 after-hours on-call support managed via a team rotation, typically serving as the primary on-call engineer once every 5–6 weeks.
• Shift Differential: Additional compensation is provided for scheduled on-call duty and extended operational coverage.

Key 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.

Required Qualifications

• Clearance: Active TS/SCI with Polygraph.
• Experience: Minimum of five (5) years of direct Linux systems administration experience (no degree required).
• Technical Proficiency: Solid command-line proficiency with Linux OS environments, troubleshooting utilities, and shell navigation.

Benefits & Compensation

• Base Salary: $111,000 – $135,000, determined by experience, technical qualifications, and contract parameters.
• Premium Pay: Dedicated compensation structure for on-call shifts and extended coverage hours.
• Health & Wellness: Comprehensive medical, dental, and vision insurance options.
• Retirement Planning: 401(k) plan with company matching.
• Time Off: Paid Time Off (PTO), standard paid holidays, and paid parental leave.
• Life & Disability: Employer-paid life insurance and short/long-term disability coverage.
• Continuing Education: Tuition reimbursement programs to support skill building and technical certifications.