L

L3Harris Technologies

Global defense contractor delivering aerospace tech

Senior Systems Administrator

System AdministrationConfirmed live in the last 24 hours
Full-timePalm Bay, FL, USANo salary listedIn-person

About the Job

Requirements

  • A Bachelor's degree and a minimum of 6 years of prior relevant experience, or a Graduate degree and a minimum of 4 years of prior related experience; in lieu of a degree, a minimum of 10 years of prior related experience.
  • An active Top Secret/Sensitive Compartmented Information clearance with a full-scope polygraph.

Responsibilities

  • Administer and maintain Microsoft Windows servers, client systems, backup systems, network infrastructure, and databases.
  • Provide end-user desktop support for systems and applications at the local site and across the classified wide area network.
  • Build, configure, and maintain physical and virtual Windows 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.

Desired Qualifications

  • Six years of experience as a system/network administrator supporting an enterprise-level domain environment.
  • Strong knowledge of Windows and/or Linux operating systems, networking protocols, PowerShell, and security best practices.
  • Experience supporting Linux systems, including Red Hat Enterprise Linux 8/9, CentOS, and Ubuntu.
  • Experience with Commvault or a similar enterprise-level backup system.
  • Experience with VMware or similar virtualization platforms.
  • Experience with Ansible.
  • Experience managing systems in compliance with the NIST Risk Management Framework.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

Recently Posted Jobs

Explore more opportunities at L3Harris Technologies

See more jobs