L3Harris Technologies

Linux Systems Administrator

L3Harris Technologies

full-time

Posted on:

Location Type: Office

Location: Greenville • Texas • 🇺🇸 United States

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Job Level

JuniorMid-Level

Tech Stack

Cyber SecurityDNSLinux

About the role

  • Support Mission System integration in unclassified and secure DoD DCSA accredited environments.
  • Responsible for developing and maintaining mission system environments with a mix of OS and hosting solutions.
  • Install and configure Operating Systems and Mission software, Infrastructure services, and Cyber Security hardening.
  • Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux, Windows, and Network operations.
  • Handle Linux and Window system deployment, upgrades, configuration management, patching and maintenance.
  • Installation and hardening of enterprise services and integrated software.
  • Conform to DoD security standards (RMF, DISA, CMMC, DFARS, NISPOM) systems.
  • Manage User Access and Security Policies.
  • Backup and recovery of Linux and Windows based systems.
  • Technical writing of work instructions and build manuals.
  • Support senior staff on documenting operational processes, configurations, and diagrams required for management, Security operations, and the software teams.

Requirements

  • Able to obtain and maintain a DoD Security Clearance, which requires U.S. Citizenship.
  • Bachelor’s Degree and a minimum of 2 years of prior related experience.
  • Graduate Degree or equivalent with 0 to 2 years of prior related experience.
  • In lieu of a degree, minimum of 6 years of prior related experience.
  • Linux server and workstation systems administration on Red Hat based distributions (RHEL9, RHEL8, RHEL7, Rocky8, CentOS7) to include Break/fix troubleshooting
  • Provisioning
  • Configuring and maintaining infrastructure services such as Directory Service/LDAP (ds389,RHDS), DHCP, NTP, DNS, SMB, Anti Virus, PXE Boot
  • Demonstrated analytical skills
  • Ability to draft Technical documents.
Benefits
  • L3Harris is committed to providing reasonable accommodation to individuals with disabilities.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
Linux administrationWindows administrationSystem deploymentConfiguration managementPatchingCyber Security hardeningTechnical writingInfrastructure servicesTroubleshootingProvisioning
Soft skills
Analytical skillsDocumentation skills
Certifications
DoD Security Clearance