Cyber Infrastructure Support

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.Primary ResponsibilitiesConfiguration, setup and maintenance of numerous air-gapped Information Systems (IS) and networksVerify and maintain security configuration of the multiple Information SystemsManage daily break/fix scenarios, updates, backups, monitoring and user managementSecure and maintain all components IAW established Security Technical Implementation Guides (STIG) and customer directivesPatch and anti-virus definition managementHardware troubleshooting (COTS PC, printer, networks, and encryption hardware)Monitor customer request and tasking to ensure requirements are addressed in a timely manner according to priorityStrong desire to adhere to best practices and provide the highest quality of service and support.Basic QualificationsBachelors’ 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) architectureExperience with system configuration and apply security controls under Risk Management FrameworkExcellent customer service skills and clear communications both written and oralComfortable working in an environment without immediate supervisionPreferred QualificationsExperience with container management to include Kubernetes, Podman, and DockerExperience working with cloud systems (Azure, AWS)Experience in Widows Server (to include Active Directory) and Window 10 workstation environmentsUnderstanding of Special Access Program (SAP) Information Systems (IS) requirementsExperience with IS implementation as defined in the Joint Special Access Program Implementation Guide (JSIG)Understanding of DevOps best practices and system development lifecycle automationExperience in Kubernetes and other DevOps container management methodologies and automationCurrent experience supporting Special Access Program (SAP) Information Systems (IS)Detailed experience with the Risk Management FrameworkExperience with NIST 800-53Documented Computing Environment (CE) trainingExperience in ACAS or Nessus vulnerability scanningKnowledgeable in audit log reduction tools (Graylog or Splunk)Advanced DoDI 8570 certification Shell ScriptingWindows or Linux CertificationsIn-depth Hardware ExperienceWe’re not looking for perfectly polished resumes or perfect fits. We’re looking for people who break limits, ask hard questions, and don’t wait to be told what’s next. At Leidos, we’re not following the roadmap — we’re redrawing it.Original Posting:November 7, 2025For 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 $67,600.00 - $122,200.00The Leidos pay range for this job level is a general guideline onlyand 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.

Created: 2026-02-06