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Linux System Administrator

Job in Bethesda, Montgomery County, Maryland, 20811, USA
Listing for: Leidos
Full Time position
Listed on 2026-03-12
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Support
Salary/Wage Range or Industry Benchmark: 87100 USD Yearly USD 87100.00 YEAR
Job Description & How to Apply Below

Description

Leidos Corporate Information Security team, within the Digital Modernization sector, currently has an opening for a Linux Systems Administrator in our Omaha NE office. This position is an exciting opportunity to use your experience providing advanced computing solutions in a heterogeneous environment. We use a wide array of Linux and Windows systems in a tightly integrated environment with a focus on security and high performance computing.

If you want to work in a diverse environment that allows you to get into every aspect of supporting complex computing systems this is a great opportunity!

Clearance Requirement

You must currently hold an active Secret clearance with eligibility to be cleared for Top Secret and Special Access Programs.

Primary Responsibilities
  • Configuration, setup and maintenance of numerous air-gapped Information Systems (IS) and networks
  • Verify and maintain security configuration of the multiple Information Systems
  • Secure and maintain all components IAW established Security Technical Implementation Guides (STIG) and customer directives
  • Manage daily break/fix scenarios, updates, backups, monitoring and user management
  • Patch and anti-virus definition management
  • Hardware troubleshooting (COTS PC, printer, networks, and encryption hardware)
  • Monitor customer request and tasking to ensure requirements are addressed in a timely manner according to priority
  • Strong desire to adhere to best practices and provide the highest quality of service and support.
Basic Qualifications
  • Bachelors’ degree and 4-8 years of experience, Associate degree and 6-8 years or High School diploma and 8 or more years of experience may be considered in lieu of degree.
  • Current DoD 8140/8570 compliant IA certification for IAT II (Security+ce or higher)
  • Must hold current Secret clearance with eligibility to obtain Top Secret and Special Access Programs clearance.
  • Hands‑on experience in Linux Server and workstation environments.
  • Experience in the design, implementation, and sustainment of Virtualized Machine (VM) architecture
  • Experience with system configuration and apply security controls under Risk Management Framework.
  • Demonstrated understanding of computer network concepts (network hardware, cable management, IP address management).
  • Working knowledge of Windows operating systems.
  • Excellent customer service skills and clear communications both written and oral
  • Comfortable working in an environment without immediate supervision
Preferred Qualifications
  • Experience with Red Hat Satellite.
  • Experience with container management to include Kubernetes, Podman, and Docker
  • Experience working with cloud systems (Azure, AWS)
  • Understanding of Special Access Program (SAP) Information Systems (IS) requirements
  • Experience with IS implementation as defined in the Joint Special Access Program Implementation Guide (JSIG)
  • Understanding of Dev Ops best practices and system development lifecycle automation
  • Experience in Kubernetes and other Dev Ops container management methodologies and automation
  • Current experience supporting Special Access Program (SAP) Information Systems (IS)
  • Detailed experience with the Risk Management Framework
  • Experience with NIST 800-53
  • Documented Computing Environment (CE) training
  • Experience in ACAS or Nessus vulnerability scanning
  • Knowledgeable in audit log reduction tools (Graylog or Splunk)
  • Advanced DoDI 8570 certification
  • Shell Scripting
  • Windows or Linux Certifications
  • In‑depth Hardware Experience

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.

Original Posting

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

$87,100.00 - $

The Leidos pay range for this job level is a general guideline only and not a guarantee of…

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