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From the employer's careers site First seen 9 Nov 2026

Linux System Administrator

Leidos Alexandria, VA On-site senior full-time

Salary

$87,100 - $157,450 per year

Apply on Leidos

Description

The Linux System Administrator will work within a team of engineers, developers, and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are secure and performing as intended.

Primary Responsibilities:

  • Provide support for installing and maintaining Linux servers.
  • Provide technical leadership for migrating on-premise infrastructure to a hybrid cloud solution.
  • Provide support for troubleshooting from OS to application-level issues.
  • Manage networking equipment including switches, routers, and firewalls.
  • Manage configuration and maintenance of core enclave infrastructure services including DHCP, DNS, e-mail, Apache Web Servers, Tomcat application servers, Atlassian applications, and MariaDB database servers.
  • Configure and monitor security tools required for DoD networks.
  • Participate and contribute to design discussions related to improving the capabilities, performance, and security posture of new and existing services.

Basic Qualifications:

  • US Citizen with at least an active Secret clearance.
  • Bachelor’s degree with 4+ years of experience or a Master’s degree with 2+ years of experience.
  • 4+ years of experience providing System Administration to DoD IT systems.
  • DoD 8570 IAT level I compliant.

Preferred Qualifications:

  • 6+ years of experience providing System Administration to DoD IT systems.
  • DoD 8570 IAT level III compliant.

Pay Range: $87,100.00 - $157,450.00

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Skills

Required

  • Linux
  • System Administration
  • DoD IT systems
  • DHCP
  • DNS
  • Apache Web Servers
  • Tomcat application servers
  • Atlassian applications
  • MariaDB database servers
  • security tools

Nice to have

  • 6+ years of experience providing System Administration to DoD IT systems
  • DoD 8570 IAT level III compliant

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Alexandria-VA/Linux-System-Administrator_R-00196448-1

Apply on Leidos