Demo

Sr. Specialist, System Administration

L3Harris and Careers
Clifton, NJ Full Time
POSTED ON 12/26/2025
AVAILABLE BEFORE 2/25/2026

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 Technologies is the Trusted Disruptor in the defense industry. 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: Sr. Specialist, System Administration

Job Code: 31015

Job Location: Clifton, NJ

Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off


Job Description:

The candidate will be responsible for managing both desktop and server environments, requiring comprehensive systems administration skills with extensive knowledge of Windows and Linux desktop operating systems, as well as Windows server operating systems. Key responsibilities include providing robust support for desktop and server systems, performing all levels of systems administration tasks, and ensuring the configuration, management, maintenance, and troubleshooting of secure program areas. The role involves installing and upgrading operating systems, applying patches and anti-virus definitions, configuring and maintaining system backups, and managing all aspects of Active Directory. Additionally, the candidate will utilize deployment automation tools, provide end-user support for desktop issues, and handle the provisioning, configuration, and maintenance of new desktops and servers for upgrades and replacements. The candidate should also be proficient in installing, configuring, and maintaining server and desktop applications, and be prepared to perform other IT-related duties as required.


Essential Functions:

  • Windows Server\Desktop administration & monitoring
  • Backup Administration
  • Handling of Service Now incidents\ requests
  • IT Management Tool Administration
  • Datacenter administration. Racking servers and other hardware and coordinating infrastructure upgrades to support new hardware.
  • Frequently moves equipment weighing up to 35 pounds across campus for various needs.


Qualifications:

  • Bachelor’s Degree 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.
  • 3 years of direct experience with Windows client and/or server systems.
  • 2 years Experience with complex troubleshooting
  • Current/active Secret security clearance


Preferred Additional Skills:

  • Security or higher certification or ability to attain one within 6 months of hire
  • Experience with the Risk Management Framework process under DAAPM
  • Able to effectively communicate to the DoD engineering/program community
  • Experience with Commvault Enterprise backup software


In compliance with pay transparency requirements for New Jersey, the salary range for this role is $90,000 - $167,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

#LI-NR1

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.

Salary : $90,000 - $167,000

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