Infrastructure System Administrator

Job ID: 2617341

Location

Arlington, VA, US

Date Posted

2026-09-28

Category

Business Development

Subcategory

Cost Strategy

Schedule

Full-Time

Shift

Day Job

Travel

No

Minimum Clearance Required

TS.SCI

Clearance Level Must Be Able to Obtain

None

Potential for Remote Work

ORA_ON_SITE

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, application, vendor, and program stakeholders to meet availability and operational requirements.

Qualifications

Required Qualifications

• Education: Bachelor’s degree in Information Technology and fifteen (15) years or more Computer Science, Information Assurance, Cybersecurity, or related technical field.
• 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: $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.