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Specialist, System Administration Security Clearance

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: L3Harris Technologies
Full Time position
Listed on 2026-06-03
Job specializations:
  • IT/Tech
    Cybersecurity, IT Support, Systems Engineer, Cloud Computing
Job Description & How to Apply Below
Position: Specialist, System Administration with Security Clearance
L3

Harris 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. L3

Harris 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. L3

Harris 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 Code: 35770

Job Location:

Chantilly, VA

Job Schedule:

9/80:
Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off

Job Description:

L3

Harris is looking for a driven Systems Administrator to join the Engineering team in Chantilly, VA. This role is ideal for someone who is hands-on and ready to take initiative in a fast-moving technical environment.

The right candidate will have experience with Linux systems administration and be comfortable configuring, monitoring, maintaining, and troubleshooting systems in both physical and virtual environments. We're looking for someone who takes ownership, likes solving real problems, and is excited to keep learning and expanding their technical skills.

This role offers the opportunity to learn from an experienced team who will provide hands-on guidance, mentorship, and support as you grow your technical skills and take on new challenges. The responsibilities below highlight the essential functions of the position; the selected candidate is expected to have experience in one or more with the ability to learn the others and grow as needed.

Essential Functions:

* Configure, monitor, maintain, and troubleshoot Linux systems in both physical and virtual environments.

* Deploy and manage infrastructure through automation using scripting languages such as Bash, Python, and Perl, as well as tools such as Kickstart, Podman, Ansible, and Puppet.

* Support RMF and cybersecurity activities in partnership with Cyber Engineering, including BOE development, implementation and maintenance of security controls, and system hardening in compliance with DoD, NIST, STIG, and Zero Trust Architecture (ZTA) requirements.

* Support Software and System Engineers, CI/CD, Agile development, and Dev Sec Ops  processes within the system environment.

* Use software development lifecycle and Dev Sec Ops  tools such as Jenkins, Jira, and Bitbucket to support build, integration, tracking, and configuration management activities.

* Deploy, manage, and troubleshoot containers and containerized services using technologies such as Docker and Podman.

* Customize, optimize, and troubleshoot enterprise-level applications.

* Work in cloud-based environments and use monitoring, logging, and observability tools such as Cloud Watch, Datadog, Grafana, Elastic, or similar platforms to support security requirements, system health, and performance.

* This is a full-time onsite role that requires direct access to the team, systems, and mission environment on a daily basis.

* Apply basic network administration and troubleshooting skills using core networking concepts and protocols such as DNS, DHCP, TCP/IP, routing, switching, and HTTP.

Qualifications:

* Bachelor's Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience

* Active TS/SCI w/CI Poly clearance.

* DoD 8570.01-M IAT Level 2 certification (e.g. Security +) or within 180 days of time of hired. Preferred Additional

Skills:

* Current Certifications such as:

* Red Hat Certification (RHCSA or RHCE)

* CompTIA Linux+

* Previous experience supporting DoD & IC Government customers.

* Experience with Virtualization (KVM), Backup Technologies such as NAS, SAN, iSCSI, SAS.

* Experience integrating and administering cross-domain systems.
#LI-FS1 L3

Harris Technologies is proud to be an Equal Opportunity Employer. L3

Harris 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.

L3

Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where…
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