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Specialist, System Administration

Chantilly, Virginia
Full Time On-site

Summary

Job Description

L3Harris 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 DevSecOps processes within the system environment.
  • Use software development lifecycle and DevSecOps 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 CloudWatch, 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:
    • RedHat 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

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.

About L3 Harris

L3 Harris

L3 Harris is one of the largest defense and aerospace companies in the United States, delivering advanced technologies that support missions across air, land, sea, space, and cyber domains. The company develops communications systems, space payloads, intelligence platforms, electronic warfare capabilities, missile defense technologies, and mission-critical sensors used by the U.S. military, intelligence community, and allied nations around the world.

For job seekers, L3Harris offers opportunities across engineering, software development, cybersecurity, space systems, manufacturing, intelligence, program management, and mission operations. The company is especially attractive to veterans, cleared professionals, and engineers who want to work on advanced technologies that directly support national security. With programs spanning tactical communications, ISR platforms, satellite systems, and defense electronics, employees have the opportunity to contribute to some of the military’s most important capabilities.

Unlike companies focused on a single mission area, L3Harris operates across a diverse portfolio of defense technologies, providing employees exposure to a broad range of programs and technical disciplines. Teams work on everything from secure communications and autonomous systems to space-based sensors and electronic warfare platforms, creating opportunities for both specialization and long-term career growth within the organization.

As governments continue investing in modernization, space capabilities, resilient communications, and advanced sensing technologies, L3Harris remains one of the most important employers in the defense industry. For professionals seeking a mission-driven career with strong growth opportunities, technical challenges, and direct impact on global security, L3Harris continues to stand out as a leading destination in aerospace and defense.

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