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Lead Systems Administration

Melbourne, Florida

Job ID 9498
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L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 50,000 employees, with customers in more than 100 countries.

Job Title: Lead, System Administration

Job Code: 9498

Job Location: Melbourne, FL

Job Description:

Essential Functions:

  • Configure, monitor, maintain, troubleshoot Redhat/Oracle 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 RMF requirements
  • Demonstrated knowledge RMF and cybersecurity requirements
  • Ability to integrate RMF principles into ground-up builds
  • Experience with continuous integration, build management, and/or automated test frameworks
  • Experience with testing applications such as Jenkins, Jira, and Bitbucket
  • Experience in using and creating LDAP for Windows and LINUX IDM
  • Work must be accomplished onsite


  • Education:
  •      Bachelor’s Degree and minimum 9 years of relevant experience or,
  •      Master’s Degree and minimum 7 years of relevant experience or,
  •      In lieu of a degree, minimum of 13 years prior related experience.
  • DOD 8570 IAT Level 2 Certification
  • Top Secret Clearance with SCI and CI Poly

PreferredAdditional Skills:

  • DoD 8570.01-M IAT Level 3 certification (e.g. CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, or GCIH).
  • Current Linux Certifications such as:
  •   RedHat Certification (RHCSA or RHCE)
  •   CompTIA Linux+
  •   LPIC (any level)
  • Experience in the use of IT tools for managing and troubleshooting complex computer networks
  • Previous experience supporting DoD & IC Government customers
  • Experience with continuous integration, build management, and/or automated test frameworks
  • Hardware/software requirement verification/system validation experience
  • Demonstrated ability to work and grow in a dynamic, fast paced, team-oriented environment
  • Experience with Virtualization (KVM), Backup Technologies such as NAS, SAN, iSCSI, SAS
  • Experience supporting DoD/government customers
  • Experience integrating and administering cross-domain systems
  • Experience with microservices, containers (i.e., docker)

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

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