Cyber Infrastructure Support

Job Description

Description

Leidos Corporate Information Security, within our 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 of Linux and Windows systems in a tightly integrated environment with a focus on security and high performance computing. We are looking for someone with a strong desire to adhere to best practices and provide the highest quality of service and support. If you want to work in a diverse environment that allows you to get into every aspect of supporting complex computing systems, this is the position for you!

Clearance : You must be a U.S. Citizen currently holding an active Secret clearance and be eligible to obtain Top Secret and Special Access Program (SAP) clearance.

Primary Responsibilities

Configure, setup and maintain numerous air-gapped Information Systems (IS) and networks

Verify and maintain security configuration for 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

Manage patch and anti-virus definition

Troubleshoot hardware (COTS PC, printer, networks, and encryption hardware)

Monitor customer request and tasking to ensure requirements are addressed in a timely manner according to priority

Basic Qualifications

Bachelor's degree and less than 2 years of experience, additional work experience can be taken into consideration in lieu of degree.

DoD 8570 compliant IA certification for IAT II

Currently hold an active Secret clearance with eligibility to obtain Top Secret and Special Access Programs (SAP) 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

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 container management to include Kubernetes, Podman, and Docker

Experience in Widows Server (to include Active Directory) and Window 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 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 (CISSP preferred)

Shell Scripting

Windows or Linux Certifications

In-depth Hardware Experience

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting : October 6, 2025

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 : Pay Range $55,250.00 - $99,875.00

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.