Linux System Administrator

Posted 10 Days Ago
Be an Early Applicant
Alexandria, VA
85K-154K Annually
Mid level
Information Technology • Software
The Role
The Linux System Administrator will install, maintain, and troubleshoot Linux servers, manage networking equipment, and ensure system security for DoD operations.
Summary Generated by Built In

The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Mid-level Linux System Administrator. Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development cycle, to get capabilities to the warfighter more rapidly. The System Administrator will work within a team engineers, developers and system administrators adding new capabilities to our enclaves, as well as ensuring the existing systems are secure and performing as intended.

This position is located in Alexandria, VA and you must be able to obtain a Secret level clearance to be considered for this position. The ability to support off-hours system administration on evenings and/or weekends (as needed) is required. In addition this position will allow the ability to work remote 2-3 days a week but the need to be on site on a weekly basis is required.

Primary Responsibilities:

  • Provide support for installing and maintaining Linux servers using tools such as Ansible, Kickstart etc.
  • Provide support for troubleshooting from OS to application-level issues
  • Manage networking equipment including switches, routers and firewalls
  • Manage configuration and maintenance of core enclave infrastructure services including DCHP, DNS, e-mail, Apache Web Servers, Tomcat application servers, Postgresql database servers
  • Configure and monitor security tools required for DoD networks
  • Participate and contribute to design discussions related to improving the capabilities, performance and security posture of new and existing services

Basic Qualifications:

  • 4+ years of relevant experience doing system administration on Linux servers, networking equipment and security monitoring equipment. In addition a Bachelor’s Degree but additional experience maybe considered in lieu of a degree.
  • 3+ years of experience providing System Administration to DoD IT systems
  • IAT Level I: A+, CCNA-Security, Network+, SSCP, Security+ CE
  • US Citizen with the ability to obtain and maintain a Secret clearance
  • Ability to work evenings and weekends as needed

Preferred Qualifications:

  • 6+ years of experience providing Red Hat System Administration to DoD IT systems
  • IAT Level III: CASP CE, CCNP Security+ CE, CISA, CISSP, GCED, GCIH, CCSP 
  • Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE)
  • CompTIA Linux+ or Linux Professional Institute LPIC-1
  • Experience leading a team

Original Posting:April 8, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $85,150.00 - $153,925.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Top Skills

Ansible
Apache
Dhcp
Dns
Kickstart
Linux
Postgres
Security+
Tomcat
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The Company
Alexandria, VA
27,104 Employees
On-site Workplace

What We Do

We Are Leidos

For 50 years we have been tackling some of the biggest problems that face our nation and our world.

OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.

Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.

Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.

Your most important work is ahead.

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