Senior Systems Administrator - Linux

Leidos

Actively hiring
0462 Fort Belvoir Va, US Posted 52 days ago $92,300–$166,850 / year
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At a glance

AI generated

TL;DR

Leidos seeks a Linux Administrator to join the DTRA I3TS Infrastructure Services team as a mid-level professional. This role involves maintaining and optimizing Linux production environments, including server provisioning, user access management, and full lifecycle management from design through deployment in virtual settings. The candidate will leverage Unix shell scripting and Ansible playbooks for automation while ensuring compliance with DoD STIGs and security standards. Key responsibilities include system performance monitoring, security patching, and collaboration across multiple teams to support mission-critical operations. Familiarity with Kubernetes, OpenShift, and container technologies is preferred alongside hands-on experience with Red Hat Enterprise Linux environments and virtualized infrastructure. Essential skills encompass strong troubleshooting abilities, log file analysis, and adherence to ITIL best practices.

Skills

Linux RedHatEnterpriseLinux RHEL Ansible Kubernetes OpenShift GitHub Puppet JBoss Tomcat Jetty NGINX ApacheHadoop Zookeeper VMware KVM Bash Python STIG DoD8570IATII Security+CE CASP+ CI/CD

What you'll do

  • Provision and manage Linux servers in production and test environments.
  • Automate server configurations using Unix shell scripts and Ansible playbooks.
  • Ensure compliance with security standards by applying STIGs and patches.
  • Monitor system performance, respond to alerts, and maintain NTP services.
  • Lead projects within the area of responsibility and work independently on tasks.

What we're looking for

  • BS with 6-8 years or MS degree with 4-6 years of IT operations experience in Linux servers and Virtualization.
  • Hands-on experience administering Red Hat Enterprise Linux environments and supporting systems with Red Hat Satellite.
  • Understanding of virtualized infrastructure, server backup procedures, STIG application, and cyber hardening approaches.
  • Strong troubleshooting skills and ability to work independently in a fast-paced environment.
  • Experience with system automation technologies like Ansible playbooks and scripting in Unix shell.
  • Top Secret/SCI Clearance required.
  • DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP).

Market check

Salary context

This $92,300–$166,850 range sits above 21% of similar postings on FindRole.

Peer median band

$118,300–$200,950

Median floor and ceiling across peers.

Typical midpoint (25–75%)

$134,725–$213,375

Middle half of comparable postings.

Based on 240 comparable postings.

* 240 is the maximum number of comparable postings sampled.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 199 open roles on FindRole.

Listed pay typically runs $107,900–$195,050 across 187 roles with salary data.

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