Senior Specialist, Systems Administrator

L3Harris Technologies, Inc.; Palm Bay (FL); On-site; USD 95,000 - 135,000; Full time

Job summary

L3Harris Technologies in Palm Bay, Florida is seeking a dedicated System/Network Administrator to join our IT team. The role focuses on maintaining the integrity, availability, and security of classified Windows systems and network infrastructure across the local site and the classified WAN.

The ideal candidate will have a Bachelor's degree with 6+ years of related experience or a graduate degree with 4+ years, plus an active TS/SCI clearance with full-scope polygraph.

Qualifications

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

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.

Skills

Windows administration

Network administration

PowerShell

RMF

Security hardening

Automation scripting

Education

Bachelor's degree

Graduate degree

10 years experience in lieu of degree

Tools

VMware

Ansible

Commvault

RHEL

Linux

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Specialist, Systems Administrator
Job Code: 43405
Job Location: Palm Bay, FL
Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off

Job Description:

We are 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. This role involves a blend of system administration, network management, project coordination, vulnerability management, system hardening, and desktop/software support.

Essential Functions:

• 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 with Commvault or similar backup solutions.
• Experience managing systems in compliance with the NIST Risk Management Framework (RMF).

#LI-FS1

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.