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Linux Systems Administrator

SAIC

Chantilly, VAJob$180–220K/yrSeen todaySeen in employer's feed today

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At a glance

Compensation
$180–220K/yr
Location
Chantilly, VA
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

SAIC seeks a Linux Systems Administrator to manage the health, performance, security, and lifecycle of Linux-based infrastructure in complex enterprise environments. The role focuses on Red Hat Enterprise Linux, virtualization, infrastructure support, automation, and Microsoft services. The administrator will support modernization and continuous improvement efforts while collaborating with infrastructure and systems engineering teams.

Skills & qualifications

RequiredNice to have

Skills

Systems Administration, requiredLinux Administration, requiredLinux Troubleshooting, requiredLinux Monitoring, requiredPerformance Troubleshooting, requiredCIS Benchmarks, requiredSTIG Requirements, requiredSystem Patching, requiredLifecycle Management, requiredVMware vSphere, requiredVMware Cloud Foundation, requiredMicrosoft Infrastructure Services, requiredActive Directory, requiredDNS, requiredDHCP, requiredDesktop Hardware Support, requiredRole-Based Access Control, requiredScripting, requiredPrioritization, requiredAnsible, nice to havePuppet, nice to haveWindows 11, nice to haveWindows Server, nice to haveVMware vCenter Server Appliance, nice to haveEnterprise Infrastructure Hardware, nice to haveWindows Server Administration, nice to haveEnterprise Virtualization, nice to have

Qualifications

RHCSA or RHCE Certification, nice to have

Full job description

Description

Join a team that powers critical infrastructure and keeps mission-essential systems running securely, efficiently, and reliably. SAIC is seeking a skilled Linux Systems Administrator who thrives in complex enterprise environments and enjoys solving challenging technical problems across Linux, virtualization, and infrastructure platforms.

In this role, you'll be a key member of the systems engineering team, responsible for the health, performance, security, and lifecycle management of our Linux-based infrastructure. You'll work with modern virtualization technologies, support enterprise-scale environments, implement automation, and help drive continuous improvement across our server and infrastructure ecosystem.

What You'll Do:

  • Administer and maintain enterprise Linux environments, with a primary focus on Red Hat Enterprise Linux (RHEL)

  • Ensure system availability, performance, and security through proactive monitoring, troubleshooting, patching, and upgrades

  • Support and manage VMware vSphere and VMware Cloud Foundation (VCF) infrastructure

  • Implement and maintain security best practices, including CIS and STIG hardening standards

  • Troubleshoot and resolve infrastructure, application, operating system, connectivity, and security issues across on-premises environments

  • Monitor and optimize system resources including CPU, memory, storage, and overall server performance

  • Manage local repositories and coordinate operating system patching and lifecycle activities

  • Collaborate with infrastructure and systems teams on architecture, deployment, and operational initiatives

  • Develop and enhance automation through scripting and configuration management tools

  • Support Microsoft-based services and technologies, including Active Directory, DNS, DHCP, and related infrastructure components

  • Contribute to ongoing modernization efforts and continuous improvement across the enterprise technology stack

Qualifications

  • Experience providing systems administration support within mixed Microsoft Windows and Red Hat Enterprise Linux (RHEL) environments

  • Hands-on experience installing, configuring, administering, and troubleshooting Linux operating systems

  • Experience monitoring Linux infrastructure health, performance, and availability, and proactively resolving issues

  • Experience troubleshooting and resolving application, infrastructure, connectivity, and security issues in on-premises environments

  • Experience diagnosing and remediating server performance issues involving CPU, memory, storage, and system resources

  • Experience implementing Linux security hardening using CIS Benchmarks and/or STIG requirementsExperience maintaining local repositories and performing system patching, updates, and lifecycle management activities

  • Experience supporting VMware vSphere and/or VMware Cloud Foundation (VCF) environments

  • Experience performing general systems administration and infrastructure support tasks across multiple technology platforms

  • Experience collaborating with infrastructure and systems engineering teams to support enterprise environments

  • Experience administering Microsoft infrastructure services, including Active Directory, DNS, DHCP, and related network services

  • Experience supporting desktop and workstation hardware

  • Experience implementing and managing Role-Based Access Control (RBAC) within multi-tenant environments

  • Experience developing or maintaining automation through scripting

  • Ability to support multiple priorities in a dynamic enterprise IT environment

Preferred Qualifications:

  • Red Hat Certified System Administrator (RHCSA) and/or Red Hat Certified Engineer (RHCE) certification

  • Experience with Ansible, Puppet, or similar configuration management and automation tools

  • Working knowledge of Windows 11, Windows Server, VMware vCenter Server Appliance (VCSA), and VMware Cloud Foundation (VCF)

  • Working knowledge of enterprise infrastructure hardware, appliances, and supporting technologies

  • Experience performing Windows Server installation, configuration, patching, upgrades, migrations, and ongoing administration

  • Experience supporting enterprise virtualization, server infrastructure, and hybrid technology environments

Target salary range: $180,001 - $220,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

REQNUMBER: 2618907

SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability

How this job compares

Set against the 2,468 open Systems Administrator jobs on Olive Jobs, counted November 11, 2026.

Pay
  • This posting$180–220K/yr
  • Virginia median$97–158K/yr196 salary ranges
  • US median$94–147K/yr1,563 salary ranges

This range's midpoint, $200K, is 57% above the Virginia median midpoint ($128K) — in the top quarter of Systems Administrator salary ranges in Virginia.

Openings
Olive Jobs lists 252 open Systems Administrator jobs in Virginia and 2,468 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in Virginia
Experience
Systems Administrator postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 6 years (2,068 postings).
Education
356 of the 2,468 open Systems Administrator jobs (14%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 11, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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