Cyber Infrastructure Support

Cyber Infrastructure Support (Systems Administrator)

Leidos Corporate Information Security team, within the Digital Modernization sector, currently has an opening for a 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.

• Configuration, setup and maintenance of numerous air-gapped Information Systems (IS) and networks
• Verify and maintain security configuration of the multiple Information Systems
• Manage daily break/fix scenarios, updates, backups, monitoring and user management
• Secure and maintain all components IAW established Security Technical Implementation Guides (STIG) and customer directives
• 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.

• Bachelors’ degree and 2 - 4 years of experience, Associate degree and 4-6 years or High School diploma and 6 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.
• Working knowledge of Windows operating systems.
• Demonstrated understanding of computer network concepts (network hardware, cable management, IP address management)
• Experience in the design, implementation, and sustainment of Virtualized Machine (VM) architecture
• Experience with system configuration and apply security controls under Risk Management Framework
• Excellent customer service skills and clear communications both written and oral
• Comfortable working in an environment without immediate supervision.

• Experience with container management to include Kubernetes, Podman, and Docker
• Experience working with cloud systems (Azure, AWS)
• Experience in Widows Server (to include Active Directory) and Windows 10 workstation environments
• 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.

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.

November 7, 2025

$69,550.00 - $

• Entry level

• Full-time

• Information Technology

• Government Administration and IT Services and IT Consulting