Infrastructure System Administrator

Infrastructure System Administrator

Job ID: 2617399

Location: Arlington, VA, United States

Date Posted: Sep 30, 2026

Category: Business Development

Subcategory: Cost Strategy

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: TS/SCI

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: On-Site

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Job Description

Description

Team SAIC is currently seeking a motivated and experienced Infrastructure System Administrator to join our team at the Pentagon in Arlington, VA. The candidate will be responsible for designing, building, operating, and sustaining highly available server environments. The position oversees InfoScale cluster deployments, failover and recovery capabilities, and enterprise server administration.

Responsibilities:

• Prioritize the work of infrastructure engineers supporting high-availability, server, and lab environments.
• Plan, build, configure, and maintain InfoScale clusters supporting key strategic partners in the NCR.
• Develop, execute, document, and improve failover, failback, disaster-recovery, and continuity procedures.
• Manage physical and virtual servers, including operating-system administration, patching, performance monitoring, capacity planning, and lifecycle replacement.
• Operate and maintain a test lab that mirrors relevant production configurations for integration testing, troubleshooting, validation, and training.
• Troubleshoot complex cluster, server, storage, network, and application-availability issues; coordinate resolution across infrastructure and application teams.
• Maintain system diagrams, build guides, standard operating procedures, configuration baselines, recovery runbooks, and technical documentation.
• Track system health, availability, vulnerabilities, patch status, incidents, and corrective actions; provide status and risk reporting to leadership.
• Coordinate with cybersecurity, network, storage

Qualifications

Required Qualifications:

• Education: Bachelor's degree and 6+ years or more experience or Masters and 4+ years experience
• 5 years of relevant systems administration experience
• Ability to work on site five days per week during day-shift hours.
• This position requires an active DOD TS/SCI clearance.
• Active DoD 8570.01-M/8140 IAT Level II certification (e.g., Security+ CE, CySA+, etc.) is required prior to start.
• Active DoD 8140 IAT Level III certification
• Experience leading infrastructure, systems administration, platform engineering, or operations teams.
• Hands-on experience with Veritas InfoScale/Cluster Server or comparable high-availability clustering technologies.
• Strong background in Linux and/or Windows server administration, virtualization, storage, networking, and enterprise monitoring.
• Experience planning and executing cluster builds, maintenance, failover testing, and recovery operations.
• Strong written communication skills for technical documentation, status reporting, and leadership briefings.

Desired Qualifications:

• Active DoD 8140 IAT Level III certification
• Experience leading infrastructure, systems administration, platform engineering, or operations teams.
• Hands-on experience with Veritas InfoScale/Cluster Server or comparable high-availability clustering technologies.
• Strong background in Linux and/or Windows server administration, virtualization, storage, networking, and enterprise monitoring.
• Experience planning and executing cluster builds, maintenance, failover testing, and recovery operations.
• Strong written communication skills for technical documentation, status reporting, and leadership briefings.

Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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