✦ Luna Orbit — System Administration

Specialist, System Administration

at L3Harris Technologies

📍 Palm Bay, FL Onsite Posted March 20, 2026
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Position Details

Type Full-Time
Experience mid
Exp. Years 4+ years
Education 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
Category System Administration

About this role

Manage and support Linux-based IT infrastructure in a defense environment, focusing on automation, security, and compliance for sensitive government projects.

Key Responsibilities

  • Configure Linux systems
  • Automate infrastructure deployment
  • Maintain security controls
  • Troubleshoot system issues
  • Support classified projects

Technical Overview

Environment includes Linux, automation tools like Ansible and Puppet, Active Directory, LDAP, Jenkins, Jira, Bitbucket, supporting cybersecurity and classified government operations.

Ideal Candidate

The ideal candidate is an experienced Linux system administrator with at least 4 years of relevant experience, active TS/SCI clearance, and expertise in Linux automation, security compliance, and enterprise infrastructure support.

Must-Have Skills

LinuxLinux automationActive DirectoryLDAPJenkinsJiraBitbucket

Nice-to-Have Skills

RedHat CertificationCompTIA Linux+Security RMFCybersecurity

Tools & Platforms

JenkinsJiraBitbucketActive DirectoryLDAP

Required Skills

LinuxLinux automationKickstartPodmanAnsiblePuppetActive DirectoryLDAPJenkinsJiraBitbucketcybersecuritysecurity rmfTS/SCICI poly

Hard Skills

LinuxLinux automationKickstartPodmanAnsiblePuppetActive DirectoryLDAPJenkinsJiraBitbucketSecurity RMFCybersecurityTS/SCI w/CI Poly

Soft Skills

troubleshootingsecurity awarenessautomationcollaborationproblem-solving

Certifications

Required

DoD 8570.01-M IAT Level 2 certification

Preferred

RedHat CertificationCompTIA Linux+

Industry & Role

Industry Defense
Job Function Linux system administration and automation in a secure government environment
Role Subtype Linux Sysadmin
Tech Domains Linux, Active Directory, LDAP, Jenkins, Jira, Bitbucket

Clearance & Visa

Clearance Required Active TS/SCI w/CI Poly clearance
Visa Sponsorship Not Specified

Keywords for Your Resume

system administratorLinuxLinux automationKickstartPodmanAnsiblePuppetActive DirectoryLDAPJenkinsJiraBitbucketcybersecuritysecurity rmfTS/SCICI poly

Deal Breakers

Lack of active TS/SCI clearance, No experience with Linux automation tools, No DoD cybersecurity experience

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