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L3Harris Technologies

System Administration Specialist

L3Harris Technologies

. Configure, monitor, maintain, troubleshoot Linux systems (physical and virtual) .

Posted 4/6/2026full-timeChantilly • Virginia • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
AnsibleCyber SecurityJenkinsLinuxPuppetTypeScript

About the role

Key responsibilities & impact
  • Configure, monitor, maintain, troubleshoot Linux systems (physical and virtual)
  • Experience deploying infrastructure through automation
  • Familiarity with implementing and maintaining security controls in compliance with DoD security frameworks
  • Familiarity with Continuous Integration/Continuous Deployment (CI/CD), agile system development, and DevSecOps tools and processes
  • Experience in Linux automation using Kickstart, Podman, Ansible and Puppet
  • Experience integrating Linux and Windows systems together in a unified Active Directory Domain
  • Experience in creating and using containers in a LINUX and Windows Environment
  • Experience customizing/optimizing/trouble shooting enterprise level applications
  • Security administration experience in support of cybersecurity RMF requirements
  • Experience with testing applications such as Jenkins, Jira, and Bitbucket
  • Experience in using and creating LDAP for Windows and LINUX IDM

Requirements

What you’ll need
  • Bachelor’s Degree and minimum 4 years of prior relevant experience
  • Graduate Degree and a minimum of 2 years of prior related experience
  • In lieu of a degree, minimum of 8 years of prior related experience
  • DoD 8570.01-M IAT Level 2 certification (e.g. Security +) within 180 days of time of hired
  • Active TS/SCI w/CI Poly clearance

Benefits

Comp & perks
  • Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
Linux systemsautomationsecurity controlsContinuous IntegrationContinuous DeploymentDevSecOpsKickstartPodmanAnsiblePuppet
Soft Skills
troubleshootingmonitoringcustomizingoptimizing
Certifications
Bachelor’s DegreeGraduate DegreeDoD 8570.01-M IAT Level 2Security +