Job Information
TEKsystems Linux Systems Administrator - TS/SCI REQUIRED in Fort Belvoir, Virginia
Seeking a Linux Administrator to support the DTRA I3TS Infrastructure Services team in maintaining and optimizing the Linux production environment. This role is responsible for sustaining Linux servers as well as the conceptualization, design, development, and implementation of new Linux capabilities. The administrator will work as part of the DTRA Systems Administration team, following ITIL best practices, while also operating independently on assigned tasks.
This position supports the full service lifecycle—from design and development through production—building and deploying Linux-based systems in a virtualized environment.
The ideal candidate is familiar with system automation technologies, basic database administration and tuning, and demonstrates strong problem-solving skills in a complex environment. Effective communication with both technical team members and customers is essential.
Primary Responsibilities
Provision servers and environments
Manage user access
Perform full lifecycle management of Linux servers, including installation, configuration, and patching in production and test environments
Develop and maintain automation scripts using Unix shell scripting and Ansible playbooks
Perform security patching, upgrades, and system hardening to meet compliance standards and remediate vulnerabilities
Monitor system performance and respond to alerts
Establish and maintain NTP services in production environments
Maintain satellite servers for software releases and patch distribution
Ensure compliance with DoD STIGs and security best practices
Support and administer web servers and certificates
Work independently in a fast-paced environment while managing multiple projects
Lead projects within assigned areas of responsibility
Communicate across internal technical teams and with client stakeholders
Provide support during standard M–F business hours, with on-call, extended-hour, and weekend support as required by mission or emergency needs
Create, maintain, and update technical documentation and standard operating procedures
Technologies & Tools
Linux (enterprise environments)
Automation: Ansible, Ansible Tower, shell scripting
Container technologies: Kubernetes, OpenShift, Containers
Version control: GitHub
Open source tools: Apache Hadoop, Zookeeper, Puppet
Application servers: JBoss, Tomcat, Jetty, NGINX
Certifications
DoD 8570 IAT Level II or III (e.g., Security+ CE, CASP+, CISSP)
Red Hat Certified System Administrator (RHCSA) – preferred
Skills
- Linux system administration
Desired Qualifications
Systems or network administration experience in Windows Server and/or Cisco environments
Familiarity with automated call distribution systems
Process-based certifications or frameworks such as ITIL, HDI, COBIT, Lean Six Sigma, or Six Sigma
Job Type & Location
This is a Contract position based out of Fort Belvoir, VA.
Pay and Benefits
The pay range for this position is $60.00 - $65.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Fort Belvoir,VA.
Application Deadline
This position is anticipated to close on May 4, 2026.
h4>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
About TEKsystems and TEKsystems Global Services
We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.