Lead, Systems Administrator

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.

• Administer and maintain Microsoft Windows systems, ensuring optimal performance and reliability.
• Utilize security tools such as Tenable and Splunk to monitor, detect, and respond to security threats.
• Apply SCAP and STIG methodologies to maintain compliant systems in accordance with Department of Defense (DoD) standards.
• Ensure systems comply with government regulations and standards, including NIST Special Publications, NISPOM, and the Risk Management Framework.
• Maintain DOD 8140 certification (e.g., Security+), demonstrating proficiency in cybersecurity fundamentals.
• Collaborate with cross-functional teams to support system upgrades, patch management, and incident response.
• Travel up to 15% to support remote sites, attend training, or participate in project deployments.

• Active Secret Security Clearance required
• Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.

• Experience with VMware virtualization technologies for server and desktop environments.
• Familiarity with Citrix Virtual Desktops for remote access and application delivery.
• Proficiency in Linux administration and troubleshooting.
• Knowledge of disaster recovery and business continuity planning and execution.

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.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Work for Warriors is a no-cost employment program of the California Military Department for Service Members, Veterans, and military family members. The Veteran Staffing Consultant for L3Harris is Chuck Callahan.