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 DevOps best practices and system development lifecycle automation
Experience in Kubernetes and other DevOps 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.
March 9, 2026
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 - $157,450.00
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.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
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 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, visit careers.leidos.com for our latest opportunities.
