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Senior Specialist, Linux Systems Administration

Melbourne, Florida
Full Time On-site

Summary

Job Description

L3Harris is searching for a technical professional to join the Data Center Operational Support Services team as a Specialist, Systems Administrator. Responsibilities for this position include supporting Linux Domains, vulnerability and compliance remediation, physical and virtual Linux OS server support, application support, and physical and virtual desktop OS support. This position will also require the management of data center infrastructure such as enterprise storage, fiber channel switches, and VMware vSphere. 

  • Due to secure network access requirements, this position is ONSITE and located 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:

  • Support and maintenance of Red Hat Enterprise Linux, Group Policy, DHCP, Site and Services, Users and Computers.
  • Responsible for supporting the installation, configuration, and maintenance of workstations in accordance with established standards, policies, procedures, and configuration guidelines.
  • Responsible for supporting the building, configuration, and maintenance of virtual compute environments using solutions like VMware vSphere and Horizon.
  • Support software installations, upgrades, and patching operating systems maintaining them in accordance with established policies, procedures, and service level agreements.
  • Troubleshoots hardware, software, and wide area network related problems associated with the assigned Enterprise system(s).
  • Coordinates with server and operating system vendors to resolve issues, arrange service, and obtain support. Develop schedules for the installation and monitoring of local network and stand-alone information resources.
  • Installs and provides support for internal development software and applications.
  • Monitors and tunes the system to achieve optimum level of performance. Ensures server data integrity by evaluating, implementing, and managing appropriate software and hardware solutions.
  • Ensures data/media recoverability by implementing a schedule of system backups and database archive operations.
  • Conducts routine hardware and software audits of servers for compliance with established standards, policies, procedures, and configuration guidelines. Knowledgeable of networking associated with a LAN based server and workstations.
  • Ability to obtain a FAA Public Trust.

Qualifications:

  • Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

Preferred Additional Skills:

  • Experience with VMware Horizon Virtual Desktop Infrastructure (Connection Brokers, UAGs, AppVolls), vRealize Operations Manager, and Log Insight.
  • Backup solutions such as Rubrik.
  • Certificate Authority setup and configurations.

#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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