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Job #: R-00027945
Location: Alexandria, VA
Category: Systems Administration
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: None
Referral Eligibility: Eligible
Group: Defense

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Job Description:

The Modeling Simulation & Training Division of Leidos is looking for a mid-level or senior Linux system administrator for a position in the Northern Virginia area. This position requires the ability to obtain a DoD Secret clearance to be considered.

The position is to join a team of 20 developers working on the full life cycle from design to user support of applications and collaboration tools to enhance the capabilities of DoD test and training ranges.

The position involves the administration of Linux systems that support web applications, databases, and internal applications connected to the internet and .mil networks. The candidate will be involved in installation, support and performance and security monitoring of servers and applications.


  • Monitoring servers and software services for proper and secure functioning
  • Design and test how to add new services to existing enclave
  • Patching operating system and applications


  • Bachelor’s degree in Computer Science, Computer Information Systems, or related degree program or experience that would provide equivalent knowledge and minimum of 4 years of system administration experience.
  • A minimum of 2 years Linux system administration
  • A US person able to get a DoD Secret clearance
  • A system security certification such as CISSP or Security+


  • Experience in the application and monitoring of IA controls according to DoD guidance
  • Experience is using tools to automate the administration and monitoring of Linux systems such as Ansible and Splunk.
  • Experience configuring and monitoring Apache web server
  • Experience configuring and monitoring PostgeSql
  • Experience configuring and monitoring Linux based email servers such as DoveCot and Mailman
  • Experience configuring and monitoring Tomcat applications

External Referral Eligible

External Referral Bonus:


Potential for Telework:


Clearance Level Required:




Scheduled Weekly Hours:




Requisition Category:


Job Family:

Systems Administration


Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

Pay and Benefits

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Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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