Senior Specialist, Systems Administrator

About the role

L3Harris is seeking a dedicated System/Network Administrator to join our IT team. The ideal candidate will be responsible for maintaining the integrity, availability, and security of classified Windows systems and network infrastructure.

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 WAN.
• 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.

Qualifications

• Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience; or, in lieu of a degree, minimum of 10 years of prior related experience.
• Active TS/SCI clearance with full-scope polygraph.

Preferred Additional Skills

• 6 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 (RHEL) 8/9, CentOS, and Ubuntu.
• Experience with Commvault or 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 (RMF).

Pay

The pay range for this position is $75,000 - $125,000 annually.

Schedule

The job schedule is 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off.