Linux Systems Admin - Active Top Secret required

Clearance Level
Top Secret
Systems Administration
Washington, District of Columbia
Onsite Workplace
Key Skills For Success

Computer Servers


System Administration

REQ#: RQ142576
Requisition Type: Regular
Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

Linux Systems Administrator – Active Top Secret Required

Seize your opportunity to make a personal impact as a LINUX SYSTEMS Administrator with GDIT. A career in systems administration means connecting and enhancing the systems that matter most. Your work in the integration of Linux resources into a primary Windows Infrastructure across all domains will help our clients overcome evolving demands and missions. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

At GDIT, people are our differentiator. As a Linux Systems Administrator, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Linux Systems Administrator joining our team to bring professionalism and initiative to a fast-paced environment that offers extensive options for training, certification, and career advancement. When we succeed, you succeed and together our best becomes better


  • Developing and maintaining documentation such as SOPs on existing and new applications.

  • Maintaining and troubleshoot Linux systems on a day-to-day basis.

  • Ensuring system lifecycles are performed (e.g. Ubuntu 18.04 LTS -> 20.04 LTS and so on with OS upgrades).

  • Providing administrative access based on group security, applied with least privilege and other permission access management techniques.

  • Ensuring system lifecycles are performed (e.g. Ubuntu 18.04 LTS -> 20.04 LTS and so on with OS upgrades).

  • Ensuring patches are maintained across a diverse Linux environment (e.g. Ubuntu, RHEL7/8, CentOS, etc.) in a heavily automated manner, where possible.

  • Ensuring that already-provisioned Linux systems are kept in compliance with baseline requirements & ever-changing enterprise policy (e.g. equivalent to Group Policy in the Windows realm for ongoing compliance updates).

  • Developing an operating system lifecycle plan with integration of DoD STIGs and other recommended security standards.

  • Integrating Linux systems with other enterprise tooling (e.g. ACAS, Splunk, SolarWinds, Backup systems, etc.).

  • Monitoring all solutions integrated via a centralized alerting system (Solarwinds).

  • Certifying log management and forwarding to a single repository (Splunk).


  • Education: BA/BS or equivalent

  • Required Experience: 8+ years of relevant experience supporting projects of similar size, scope and complexity

  • Required Technical Skills: DoD 8140 compliance required. (CompTIA Security+)

  • Security Clearance Level: Active Top Secret (must have a T5 or T5R within the last 5 years)

  • Required Skills and Abilities: Highly motivated, self-starter with great communications skills; effective problem solver; able to thrive in a fast-paced, changing environment.

  • Location: Washington, District of Columbia; limited telework may be available


  • 401K with company match

  • Comprehensive health and wellness packages

  • Internal mobility team dedicated to helping you own your career

  • Professional growth opportunities including paid education and certifications

  • Cutting-edge technology you can learn from

  • Rest and recharge with paid vacation and holidays

Work Requirements
Years of Experience

8 + years of related experience

* may vary based on technical training, certification(s), or degree

Travel Required

Less than 10%


U.S. Citizenship Required

About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.