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Cyber Infrastructure Support Systems Administrator - Careers at Leidos

Leidos

Cyber Infrastructure Support Systems Administrator - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Cyber Infrastructure Support Systems Administrator in Omaha, NE

Leidos Corporate Information Security team in the Digital Modernization sector seeks a skilled Systems Administrator for our Omaha, NE office. Dive into advanced computing in a heterogeneous Linux/Windows environment focused on security and high-performance systems. Support air-gapped networks and Information Systems (IS) for mission-critical operations. Active Secret clearance required with TS/SAP eligibility.

Primary Responsibilities

  • Configure, setup, and maintain air-gapped IS and networks.
  • Verify security configurations per STIGs and customer directives.
  • Handle daily break/fix, updates, backups, monitoring, and user management.
  • Manage patches, anti-virus definitions, and hardware troubleshooting (COTS PC, printers, networks, encryption).
  • Prioritize and address customer requests timely.
  • Deliver top-tier service adhering to best practices.

Basic Qualifications

  • Bachelor’s + 2-4 years, Associate’s + 4-6 years, or HS + 6+ years experience.
  • DoD 8140/8570 IAT II cert (Security+ce or higher).
  • Active Secret clearance (TS/SAP eligible).
  • Linux server/workstation hands-on experience.
  • Windows OS knowledge; network concepts (hardware, cabling, IP).
  • VM architecture design/implementation; RMF security controls.
  • Strong communication and independent work ethic.

Preferred Qualifications

  • Kubernetes, Podman, Docker container experience.
  • AWS/Azure cloud systems.
  • Windows Server/Active Directory; SAP IS/JSIG.
  • DevOps, RMF, NIST 800-53, ACAS/Nessus, Splunk/Graylog.
  • Advanced certs, scripting, hardware depth.

Pay Range: $69,550 - $125,725. Leidos outthinks and outpaces the status quo. Apply now for this full-time, mid-level role in Omaha, NE.

Locations

  • Omaha, Nebraska, United States

Salary

69,550 - 125,725 USD / yearly

Estimated Salary Rangehigh confidence

69,550 - 125,725 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Linux Server Administrationintermediate
  • Windows Operating Systemsintermediate
  • Network Concepts and IP Managementintermediate
  • Virtualized Machine Architectureintermediate
  • Risk Management Framework (RMF)intermediate
  • STIG Implementationintermediate
  • Kubernetes and Container Managementintermediate
  • Shell Scriptingintermediate
  • Vulnerability Scanning (ACAS/Nessus)intermediate
  • Audit Log Tools (Graylog/Splunk)intermediate

Required Qualifications

  • Bachelor’s degree + 2-4 years experience or equivalent (experience)
  • DoD 8140/8570 IAT II certification (Security+ce or higher) (experience)
  • Active Secret clearance with TS/SAP eligibility (experience)
  • Hands-on Linux server/workstation experience (experience)
  • Windows OS knowledge (experience)
  • VM design/implementation/sustainment (experience)
  • RMF security controls application (experience)
  • Excellent customer service and communication (experience)

Responsibilities

  • Configure, setup, and maintain air-gapped IS and networks
  • Verify and maintain security configurations per STIGs and directives
  • Manage break/fix, updates, backups, monitoring, and user accounts
  • Handle patch and anti-virus management
  • Troubleshoot COTS hardware, printers, networks, and encryption
  • Monitor and prioritize customer requests/tasking
  • Adhere to best practices for high-quality support

Benefits

  • general: Competitive salary $69,550-$125,725
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and certification reimbursement
  • general: Paid time off, holidays, and flexible work options
  • general: Mission-critical work in advanced computing environments

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Jobs in Omaha NELeidos CareersCybersecurity United StatesDefense IT JobsSystems AdministrationEngineeringInformation TechnologySecurity

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Leidos logo

Cyber Infrastructure Support Systems Administrator - Careers at Leidos

Leidos

Cyber Infrastructure Support Systems Administrator - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Cyber Infrastructure Support Systems Administrator in Omaha, NE

Leidos Corporate Information Security team in the Digital Modernization sector seeks a skilled Systems Administrator for our Omaha, NE office. Dive into advanced computing in a heterogeneous Linux/Windows environment focused on security and high-performance systems. Support air-gapped networks and Information Systems (IS) for mission-critical operations. Active Secret clearance required with TS/SAP eligibility.

Primary Responsibilities

  • Configure, setup, and maintain air-gapped IS and networks.
  • Verify security configurations per STIGs and customer directives.
  • Handle daily break/fix, updates, backups, monitoring, and user management.
  • Manage patches, anti-virus definitions, and hardware troubleshooting (COTS PC, printers, networks, encryption).
  • Prioritize and address customer requests timely.
  • Deliver top-tier service adhering to best practices.

Basic Qualifications

  • Bachelor’s + 2-4 years, Associate’s + 4-6 years, or HS + 6+ years experience.
  • DoD 8140/8570 IAT II cert (Security+ce or higher).
  • Active Secret clearance (TS/SAP eligible).
  • Linux server/workstation hands-on experience.
  • Windows OS knowledge; network concepts (hardware, cabling, IP).
  • VM architecture design/implementation; RMF security controls.
  • Strong communication and independent work ethic.

Preferred Qualifications

  • Kubernetes, Podman, Docker container experience.
  • AWS/Azure cloud systems.
  • Windows Server/Active Directory; SAP IS/JSIG.
  • DevOps, RMF, NIST 800-53, ACAS/Nessus, Splunk/Graylog.
  • Advanced certs, scripting, hardware depth.

Pay Range: $69,550 - $125,725. Leidos outthinks and outpaces the status quo. Apply now for this full-time, mid-level role in Omaha, NE.

Locations

  • Omaha, Nebraska, United States

Salary

69,550 - 125,725 USD / yearly

Estimated Salary Rangehigh confidence

69,550 - 125,725 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Linux Server Administrationintermediate
  • Windows Operating Systemsintermediate
  • Network Concepts and IP Managementintermediate
  • Virtualized Machine Architectureintermediate
  • Risk Management Framework (RMF)intermediate
  • STIG Implementationintermediate
  • Kubernetes and Container Managementintermediate
  • Shell Scriptingintermediate
  • Vulnerability Scanning (ACAS/Nessus)intermediate
  • Audit Log Tools (Graylog/Splunk)intermediate

Required Qualifications

  • Bachelor’s degree + 2-4 years experience or equivalent (experience)
  • DoD 8140/8570 IAT II certification (Security+ce or higher) (experience)
  • Active Secret clearance with TS/SAP eligibility (experience)
  • Hands-on Linux server/workstation experience (experience)
  • Windows OS knowledge (experience)
  • VM design/implementation/sustainment (experience)
  • RMF security controls application (experience)
  • Excellent customer service and communication (experience)

Responsibilities

  • Configure, setup, and maintain air-gapped IS and networks
  • Verify and maintain security configurations per STIGs and directives
  • Manage break/fix, updates, backups, monitoring, and user accounts
  • Handle patch and anti-virus management
  • Troubleshoot COTS hardware, printers, networks, and encryption
  • Monitor and prioritize customer requests/tasking
  • Adhere to best practices for high-quality support

Benefits

  • general: Competitive salary $69,550-$125,725
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and certification reimbursement
  • general: Paid time off, holidays, and flexible work options
  • general: Mission-critical work in advanced computing environments

Target Your Resume for "Cyber Infrastructure Support Systems Administrator - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Cyber Infrastructure Support Systems Administrator - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Cyber Infrastructure Support Systems Administrator - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Omaha NELeidos CareersCybersecurity United StatesDefense IT JobsSystems AdministrationEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Cyber Infrastructure Support Systems Administrator - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.