Windows Systems Administrator

Windows Systems Administrator – L3

Harris Technologies

L3

Harris is the Trusted Disruptor in the defense industry, delivering end‑to‑end technology solutions across space, air, land, sea, and cyber domains to support national security.

Job Title: Senior Specialist, Windows System Administrator

Job Code: 32527

Location: Greenville, TX

Schedule: 9/80

Seniority Level: Mid‑Senior level

Employment Type: Full‑time

Job Function: Information Technology

Industries: Defense and Space Manufacturing

This position is for a Windows Systems Administrator supporting Software Development Engineering teams. The role requires the ability to perform complex, multi‑disciplined administration in secure lab and isolated network environments. You will participate in roadmap, architecture, implementation, and sustainment of operational network infrastructure supporting software teams. The ideal candidate is a self‑motivated team player with excellent technical and communication skills.

• Integrate with a team of multidisciplinary, multilevel Systems Administrators supporting Windows, Linux, and Network operations
• Assist Software Engineers by providing Windows infrastructure services in support of development efforts
• Partner with Information Security team to provide secure, auditable Windows systems
• Plan and document operational processes, configurations, and diagrams required for management, security operations, and the software teams
• Coach, mentor and train new team members
• Assist leadership with business decisions to demonstrate and safeguard the company by ensuring applicable laws and policies are followed
• On site (not fully remote) position

• Bachelor’s Degree in Computer Science or related field 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.
• Demonstrated experience in Windows Server and Windows client systems administration (Server 2019, Server 2016, Server 2012, Windows 11, Windows 10) in mixed OS (Unix, Linux) environments.
• Experience with Active Directory, Group Policy, ADM Templates.
• Experience with break/fix troubleshooting.
• Experience provisioning via Windows Deployment Services, Microsoft Deployment Toolkit, or similar technologies.
• Experience with network infrastructure services setup and maintenance of DNS, DHCP.
• Experience with network storage services setup and maintenance of SMB/CIFS.
• Experience scripting in batch and Power Shell.
• Patch management in WSUS.
• Demonstrated analytical skills.
• Ability to obtain/maintain a DoD Security Clearance, requiring U.S. Citizenship.

• System hardening and auditing in RMF, CMMC, DFARS, NIST 800‑171, NIST 800‑53, DISA STIG environments.
• Configuration management with SCOM, Ansible/Ansible Automation Platform, AWX, Puppet, or Chef.
• Centralized authentication setup and user/group management (FreeIPA, IDM, Kerberos, LDAP, NIS).
• Code repository administration of Team Foundation Server, Git, Git Lab, Git Hub, SVN.
• Scripting in Power Shell, batch, VBS/VBA, Python, Perl, JavaScript.
• Basic network administration of layer 2/3 switches.
• Supporting multi‑OS environments of Linux, Windows, Solaris, and embedded OS’s.
• Knowledge of Dev Ops tools (Kubernetes, Open Shift, Team City, Docker, Jenkins).
• Experience in building/utilizing CI/CD pipelines.
• Experience with cloud platforms.
• Certifications in one or more MCSA, MTA, Microsoft 365, MCSE, Security+, CISSP, CISM, CEH.
• Deep understanding of metrics and monitoring systems (SCOM/MOM, Nagios, Zabbix, Open View).
• Experience performing log analysis and other network forensic investigations (Elasticsearch, Splunk).
• Deep expertise troubleshooting complex distributed systems.
• Experience with creating and improving documented procedures and/or playbooks.

L3

Harris Technologies is proud to be an Equal Opportunity Employer. L3

Harris 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…