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Lead, Systems Administrator (Palm Bay) (TS/SCI with FS Poly) with Security Clearance

L3Harris TechnologiesPalm Bay, FL🇺🇸United StatesPosted Oct 1, 2026

Why This Role Stands Out

This hybrid role at L3Harris Technologies offers a fantastic opportunity to lead critical systems administration for national security initiatives, fostering significant professional growth and skill development in a trusted defense tech environment. You'll thrive here if you are a proactive Systems Administrator passionate about maintaining secure Windows and Linux domains, and you will enjoy the 9/80 work schedule providing a great work-life balance. Apply today to join a team dedicated to excellence and impact.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Palm Bay, FL, United States
Posted
1 week ago
OracleSQLAnsiblePowerShellVMware

Job Description

L3Harris is dedicated to recruiting and developing 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 is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Lead, Systems Administrator
Job Code: 44347
Job Location: Palm Bay, FL
Job Schedule: 9/80, Every other Friday off Job Description: We are seeking a dedicated Systems Administrator with experience managing Microsoft Windows and Red Hat enterprise level domains. The ideal candidate will be responsible for maintaining the integrity, availability, and security of classified Windows and Linux environments and application development tools and databases. This role involves a blend of system administration, network management, Database management, project coordination, vulnerability management, system hardening, and application support.

Essential Functions: • Administer and maintain Microsoft Windows servers, client systems, backup systems, network infrastructure, and databases.

  • Support engineering applications, processes, and databases for systems at the local site in Palm Bay, FL and across the WAN.
  • Build, configure, and maintain physical and virtual Windows and Linux servers in support of program requirements.
  • Perform regular system updates, patching, and hardening activities to reduce vulnerabilities and ensure compliance with applicable standards.
  • Develop and maintain scripts and automation tools to streamline deployment and improve operational efficiency.
  • Collaborate with engineering teams to understand program requirements and deliver effective technical solutions.
  • Communicate complex technical issues, risks, and recommendations clearly to management and non-technical stakeholders.

Qualifications: • Bachelor's Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience; or, in lieu of a degree, minimum of 12 years of prior related experience.

  • Minimum of 9 years of experience as a Windows System/Network Administrator supporting an enterprise-level domain environment.
  • Experience managing Linux operating systems to include Red Hat, CentOS, and Ubuntu.
  • Experience supporting Oracle and Microsoft SQL databases
  • Strong knowledge of Windows and Linux operating systems, networking protocols, PowerShell, and security best practices. • Current active TS/SCI clearance with full-scope polygraph.

Preferred Additional Skills: • Experience with Commvault or similar enterprise level backup system.

  • Experience managing large scale network storage systems.
  • Experience with VMware or similar virtualization platforms.
  • Experience with Ansible.
  • Experience with Commvault or similar backup solutions.
  • Experience managing systems in compliance with the NIST Risk Management Framework (RMF). #LI-FS1 L3Harris Technologies is proud to be an

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.

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 resume for this position, you understand and agree that L3Harris Technologies may share your resume, 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 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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