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Linux Systems Administration

Melbourne, Florida, Rochester, New York, Salt Lake City, Utah, Rockwall, Texas
Full Time On-site

Summary

Job Description

We are seeking an experienced Systems Administrator to join our team. The successful candidate will be responsible for installing and configuring systems on-site, provisioning operating systems, loading software, updating network equipment, verifying data flow, troubleshooting contingencies, and coordinating system downtime with site customers and end-users. Additionally, the candidate will design, code, and test scripts to automate system management tasks, write monitoring cases for a Zabbix server, and assist in maintaining and writing content for all SI&T documentation.

  • This position is ONSITE at L3Harris offices located in Melbourne, Florida
  • This role may require weekend, after-hours, or on-call rotations to meet program requirements and/or ongoing program support.
  • This position may require limited travel in an emergency

Essential Functions:

  • Install and configure systems on-site, including physically installing hardware, provisioning operating systems, loading software, updating network equipment, verifying data flow, troubleshooting contingencies, and coordinating system downtime with site customers and end-users.
  • Design, code, and test scripts to automate system management tasks using Bash/Expect, Ansible, and other tools.
  • Write monitoring cases for a Zabbix server to track network activity.
  • Assist in maintaining and writing content for all SI&T documentation, including system build/checkout procedures, software install procedures, performance analysis technical memos, helpdesk tasking procedures, and site deployment CDRLs.
  • Contribute to system build scripts that configure RHEL servers, workstations, and virtual machines, managing storage, networking, firewalls, and user accounts on the systems.
  • Automate system configuration tasks with Ansible, including build processes, hardware checkouts, password management, and repository management.
  • Build systems in accordance with program documentation for control test environments and field delivery.
  • Execute test cases and regression tests for customer-witnessed test events (CRT/SRT).
  • Analyze and CM-control backend configurations of a Zabbix monitoring server every month as preventive maintenance.
  • Support the Harris lab environment with networking administration/tracking, machine maintenance, troubleshooting, configuration, etc.
  • Support the external customer connections to the Harris lab and Harris CM areas
  • Design/Implement new ideas for improvements to the system
  • Perform security audits on some systems
  • This position requires the ability to obtain FAA Public Trust Suitability

Qualifications:

  • 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.

Preferred Additional Skills:

  • 2+ years of experience in systems administration, with a focus on automation and scripting.
  • Strong knowledge of Bash/Expect, Ansible, and other automation tools.
  • Experience with RHEL servers, workstations, and virtual machines.
  • Familiarity with Zabbix monitoring server configurations.
  • Experience with HTML/CSS/JavaScript for web-based development.
  • Knowledge of AutoCAD for network/power diagram creation.
  • Familiarity with PLM (Product Lifecycle Management) software.
  • Experience with test case execution and regression testing.
  • Experience with FAA/ATC systems
  • Aviation Weather related software & hardware
  • Meteorology terms and NWS Weather products
  • FAA ARTCC Facilities.

#Li-DK2

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.

About L3 Harris

L3 Harris

L3 Harris is one of the largest defense and aerospace companies in the United States, delivering advanced technologies that support missions across air, land, sea, space, and cyber domains. The company develops communications systems, space payloads, intelligence platforms, electronic warfare capabilities, missile defense technologies, and mission-critical sensors used by the U.S. military, intelligence community, and allied nations around the world.

For job seekers, L3Harris offers opportunities across engineering, software development, cybersecurity, space systems, manufacturing, intelligence, program management, and mission operations. The company is especially attractive to veterans, cleared professionals, and engineers who want to work on advanced technologies that directly support national security. With programs spanning tactical communications, ISR platforms, satellite systems, and defense electronics, employees have the opportunity to contribute to some of the military’s most important capabilities.

Unlike companies focused on a single mission area, L3Harris operates across a diverse portfolio of defense technologies, providing employees exposure to a broad range of programs and technical disciplines. Teams work on everything from secure communications and autonomous systems to space-based sensors and electronic warfare platforms, creating opportunities for both specialization and long-term career growth within the organization.

As governments continue investing in modernization, space capabilities, resilient communications, and advanced sensing technologies, L3Harris remains one of the most important employers in the defense industry. For professionals seeking a mission-driven career with strong growth opportunities, technical challenges, and direct impact on global security, L3Harris continues to stand out as a leading destination in aerospace and defense.

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