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Manager, Systems Administration TS/SCI - Chantilly, VA

Chantilly, Virginia

Job ID SAS20232601-96234
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Our Business and Operations team has an unwavering focus on our commitment to excellence in everything we do. They’re the backbone of our ability to deliver mission solutions with speed, innovation and flawless execution.

  • Full Time
  • Level: Experienced
  • Location: On Site
  • Glassdoor Reviews and Company Rating

Success Profile

What makes a successful Business and Operations team member at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Collaborative
  • Detail-Oriented
  • Influential
  • Organised
  • Strategic
  • Technical


My favorite part of working for L3Harris is knowing that the parts that I procure go into products that help save lives.

Lizzie, Procurement Associate, Rochester, NY

L3Harris Work Perks

  • Health

    • Medical with a High Deductible and traditional PPO plan options, as well as, vision and a full array of supplemental health benefits
    • A doctors' service to help with referrals and second opinions for you, your family, and parents

  • Family

    • 4 weeks of paid parental leave for moms and dads
    • Fertility treatment
    • Subsidized backup childcare and eldercare
    • Adoption assistance - $5,000 per adoption/$15,000 per employee
    • Pet insurance

  • Well-Being

    • No cap to your PTO time (for exempt employees)
    • Dress for your day - wear what works for you at work
    • Legal plan for you, your family, and parents
    • Discount platform
    • 9/80 work schedule available for most U.S. employees, effective October 24, 2022.

Job Description

L3Harris is dedicated to recruiting and developing diverse, 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 Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.


Job Title: Manager, System Administration

Job Code: SAS20232601-96234

Job Location: Chantilly, VA

Job Description:

Experienced Windows System Administrator primarily responsible for site system administration and operations. The person in this position would primarily be someone with a Windows system administrator background, but shall have a level of proficiency on network management, system patching and hardening, database management, deployment automation and end user support to the desktop level. The person would provide direction and guidance to a local site team to support local site operations and must be able to communicate technical concerns and solutions to varying levels of management, program engineering teams other peers across the enterprise. The person in this position should also have experience enterprise level networks and domains and shall responsible for leading IT projects at the local level.

Essential Functions:

  • Responsible for the system configuration and security posture assigned site systems
  • Install/integrate complex software and hardware solutions as required to support engineering teams
  • Lead local IT staff and projects to improve local infrastructure, support new capabilities
  • Maintain accreditation/ATO of assigned systems by supporting scans, patching and vulnerability management processes
  • Manage assigned tickets on the IT ServiceNow system and maintain an SLA at a predetermined level as defined by management


  • Bachelor’s Degree and six years or Masters plus and 4 years of experience managing Windows domains
  • One year of experience supporting VMware/Citrix environments
  • Two years of experience with scripting and creating automated processes
  • Current/active TS/SCI security clearance and current CI/Poly
  • CompTIA Security+, CISSP or any DoD 8570 IAT level I or higher approved certification
  • Experience with the Risk Management Framework process ICD-503, System Hardening and Certification and Accreditation processes

Preferred Additional Skills:

  • Four years of experience supporting Red Hat, Centos or ubuntu Linux versions
  • Two years of experience managing a Microsoft 2016 or higher enterprise level domain
  • One year of experience with Microsoft and Linux patch management and update services
  • Experience with KG175 devices
  • Understanding of Backup and DR solutions and implementation
  • Cisco CCNA or higher certification
  • One year of experience with Microsoft Exchange

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 résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, 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 proud to be an Affirmative Action/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.

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.

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