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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: Specialist, System Administration 

Job ID: 34418

Job Location: Greenville, Texas (100% Onsite)

Job Schedule: 9/80, off every other Friday; 1st shift

Job Description:

We are seeking a dedicated Systems Administrator with strong Windows Server expertise to join our IT team. The successful candidate will maintain, upgrade, and manage our Windows-based infrastructure while providing comprehensive support across desktop, server, and basic networking levels in a fast-paced environment, ensuring reliable and efficient technology operations throughout the facility.

Responsibilities include troubleshooting end-user desktop issues, managing Windows Server configuration, patching, and performance; addressing foundational networking tasks; and delivering adaptable support across multiple departments and locations. The ideal candidate is resourceful and customer-focused, with excellent organizational skills, the ability to prioritize effectively amid shifting daily demands, and a proactive approach to listening and tailoring solutions to end-user needs.

Essential Functions:

• Install, configure, and maintain Windows servers and associated software in a multi-platform environment.
• Manage Windows Server infrastructure, ensuring seamless integration and operation with Windows systems.
• Monitor system performance and troubleshoot issues, ensuring high availability and optimal performance of all systems.
• Implement and oversee security protocols, conduct system backups, and ensure data recovery processes are in place.
• Collaborate with network staff to ensure smooth and reliable operation of software and systems for fulfilling business objectives and processes.
• Create and maintain documentation on system configuration, mapping, processes, and service records.
• Review system and application logs and verify completion of scheduled jobs
• Apply OS updates, patches, and configuration changes.
• Automate routine tasks using scripting languages such as Bash, Python, or Perl.
• Familiarity / Participate in disaster recovery exercises and actual events.
• Provide technical support and guidance to users and other team members.
• Ensure compliance with internal policies and regulatory standards.

Qualifications:

• Education and Experience bachelor’s degree in computer science, Information Technology, or a related field, plus at least 4 years of hands-on experience as a Windows Administrator managing Windows servers (2016, 2019, and later versions). In lieu of a degree, a minimum of 8 years of directly related professional experience is required.
• Certifications Active CompTIA Security+ certification.
• Technical Proficiency
  • Strong expertise in Windows Server environments, including configuration, management, patching, and performance optimization.
  • Solid knowledge of network protocols and services (e.g., DNS, DHCP, HTTP/S, SSH, FTP).
  • Experience with virtualization technologies (e.g., VMware, Hyper-V) and container orchestration tools.
  • Familiarity with cloud services such as AWS, Azure, or Google Cloud Platform.
  • Proficiency in monitoring tools (e.g., SolarWinds).
  • Experience with backup and recovery solutions (e.g., Acronis, Backup Exec).
  • Working knowledge of database management systems (e.g., SQL Server, MySQL).
  • Proficiency in scripting and automation using languages such as PowerShell, Bash, or Python to support process improvements.

Professional Skills:

• Excellent problem-solving abilities combined with strong verbal and written communication skills to effectively interact with both technical and non-technical stakeholders.
• Proven ability to work independently as well as collaboratively within a team.
• Leadership capability to mentor and guide junior administrators.
• High adaptability to quickly learn and integrate new technologies and methodologies.
• Flexibility and availability to participate in on-call rotations or work outside regular business hours to resolve critical issues.

Preferred Additional Skills:

• Familiarity with security compliance and best practices.
• Knowledge of cybersecurity best practices.
• Microsoft Certified: Azure Administrator Associate
• VMware Certified Professional (VCP)
• Red Hat Certified System Administrator (RHCSA)

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.

By submitting your resume for this position, you understand and agree that L3Harris 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.

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