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Senior Specialist - Systems Administration - Linux

L3Harris Technologies

Salary not specified
Sep 24, 2025
Melbourne, FL, USA
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L3Harris is searching for a senior technical professional to join the Managed Operational Support Services (OSS) team as a Linux System Administrator (Sys Admin) to support software engineering during the development of a new OSS system.

Requirements

  • provisioning and managing the virtual environments (VM)
  • installing and configuring the Linux based Red Hat Operating System
  • monitors and maintain the system hardware performance
  • manage system access user accounts
  • develop the procedures for system configuration to support production builds
  • assist program teams with technical analysis
  • support the testing and roll-out of new patches

Responsibilities

  • Performs software installations and upgrades to RedHat and Windows operating systems and layered software packages and maintains them in accordance with established policies, procedures, and service level agreements.
  • Manages and directs proactive and reactive systems administration activities to ensure the availability, integrity, and reliability of networked and stand-alone systems.
  • Administers assigned Enterprise systems such as enterprise data storage administration (EMC/NetApp), enterprise server virtualization (VMWare) to ensure systems are functioning properly.
  • Troubleshoots hardware, software, and wide area network related problems associated with the assigned Enterprise system(s).
  • Installs and provides support for internal development software and applications.
  • Monitors and tunes the system to achieve optimum level of performance.
  • Ensures data/media recoverability by implementing a schedule of system backups and database archive operations.

Other

  • Must be able to support On-call rotations and travel to our DR site during activation events.
  • Due to secure network access requirements, this position is ONSITE and located at L3Harris offices in Melbourne, Florida.
  • Ability to obtain and maintain FAA Public Trust clearance.
  • Experience performing RPM builds for software packages.
  • Experience performing complex infrastructure design, including planning of interactions of multiple applications (HA, DB, Large Networks).