Windows Systems Administrator

Title: Senior Specialist, Windows System Administrator

Job Code: 32527

Location: Greenville, TX

Schedule: 9/80

Join a team of dedicated professionals at L3

Harris Technologies, a trusted leader in defense technology solutions. The role supports software development engineering teams in secure, isolated network environments, enabling robust Windows infrastructure and contributing to the company's mission of national security.

• Integrate with a multidisciplinary team of Systems Administrators supporting Windows, Linux, and Network operations.
• Assist Software Engineers by providing Windows infrastructure services that support development efforts.
• Partner with the 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, ensuring compliance with applicable laws and policies.
• On-site (not fully remote) position.

• Bachelor's Degree in Computer Science or related field and a minimum of 6 years of relevant experience.
• Graduate Degree and a minimum of 4 years of relevant experience.
• In lieu of a degree, a minimum of 10 years of relevant experience.
• Demonstrated experience in Windows Server and client systems administration (Server 2019, Server 2016, Server 2012, Windows 11, Windows 10) in mixed OS environments.
• Experience with Active Directory, Group Policy, and ADM Templates.
• Experience with Break/fix troubleshooting.
• Experience provisioning via Windows Deployment Services, Microsoft Deployment Toolkit, or similar technologies.
• Experience with network infrastructure services such as DNS, DHCP, SMB/CIFS.
• Experience scripting in batch and Power Shell.
• Patch management in WSUS.
• Analytical skills.
• Ability to obtain/maintain a DoD Security Clearance, which requires 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, AWX, Puppet, or Chef.
• Centralized authentication setup and user/group management (FreeIPA, IDM, Kerberos, LDAP, NIS).
• Code repository administration (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.
• Support for multi-OS environments (Linux, Windows, Solaris, embedded OS).
• Knowledge of Dev Ops tools (Kubernetes, Open Shift, Team City, Docker, Jenkins).
• Experience building/utilizing CI/CD pipelines.
• Experience with cloud platforms.
• Certifications such as 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 network forensic investigations (Elasticsearch, Splunk).
• Expertise troubleshooting complex distributed systems.
• Experience creating and improving documented procedures and playbooks.

L3

Harris Technologies is an Equal Opportunity Employer. All applicants will be considered for employment without regard to race, color, religion, age, national origin, gender, sexual orientation, veteran status, disability, or any other protected characteristic. L3

Harris maintains a drug‑free workplace and performs pre‑employment substance abuse testing and background checks where permitted by law.

Many positions require the ability to obtain a security clearance. Conditional offer holders may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3

Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3

Harris Technologies is an E‑Verify Employer. Please note the Right‑to‑Work information and E‑Verify Poster are available in English and Spanish.