Lead, Systems Administration

L3Harris Technologies

Lead Systems Administrator responsible for operating and optimizing information systems at L3Harris Technologies. Requires Linux and Windows expertise with extensive systems administration experience in Florida.

Posted 5/27/2026full-timePalm Bay • Florida • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

AnsibleAWSAzureCloudCyber SecurityDNSDockerJenkinsLinuxPerlPuppetPythonSwitchingTCP/IPTypeScript

About the role

Key responsibilities & impact

Configure, monitor, maintain, and troubleshoot Linux and Windows systems in both physical and virtual environments
Configure and maintain Virtual Machines (VMs)
Install, configure, patch, and upgrade operating systems, server applications, and infrastructure components
Deploy and manage infrastructure through automation using scripting languages such as Bash, Python, and Perl, as well as tools such as Kickstart, Podman, Ansible, and Puppet
Support RMF and cybersecurity activities in partnership with Cyber Engineering, including BOE development, implementation and maintenance of security controls, and system hardening in compliance with DoD, NIST, STIG, and Zero Trust Architecture (ZTA) requirements
Use software development lifecycle and DevSecOps tools such as Jenkins, Jira, and Bitbucket to support build, integration, tracking, and configuration management activities
Deploy, manage, and troubleshoot containers and containerized services using technologies such as Docker and Podman
Apply network administration and troubleshooting skills using core networking concepts and protocols such as DNS, DHCP, TCP/IP, routing, switching, and HTTP.

Requirements

What you’ll need

Bachelor’s Degree and minimum 8 years of prior relevant experience
Graduate Degree and a minimum of 6 years of prior related experience
In lieu of a degree, minimum of 12 years of prior related experience
Must possess an active clearance: TS/SCI w/FS Poly
Must have or be able to obtain and maintain a DoD 8570.01-M IAT Level 2 certification (e.g. Security +) within 3 months of start
Current Certifications such as: RedHat Certification (RHCSA or RHCE) CompTIA Linux+
Previous experience supporting DoW & Government customers
Experience with cloud platforms and administration in AWS, Azure, or Google Cloud environments.

Benefits

Comp & perks

Health insurance
Retirement plans
Flexible work arrangements
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

LinuxWindowsVirtual MachinesBashPythonPerlAnsiblePuppetDockernetwork administration

Certifications

Bachelor’s DegreeGraduate DegreeTS/SCI w/FS PolyDoD 8570.01-M IAT Level 2Security +RedHat CertificationRHCSARHCECompTIA Linux+