Linux System Administrator

Reposted 7 Days Ago
Be an Early Applicant
Omaha, NE, USA
In-Office
87K-157K Annually
Senior level
Information Technology • Software
The Role
Provide hands-on administration of Linux and Windows systems in a secure, high-performance environment. Design, implement, and sustain containerized and VM architectures using Kubernetes, Docker, and Podman. Apply RMF security controls, perform system configuration, support network concepts, and assist SAP/JSIG-compliant systems. Communicate with customers, work independently, and support cloud integrations and vulnerability scanning tools.
Summary Generated by Built In

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.

Basic Qualifications

  • Bachelor’s 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 with containerization technologies, including Kubernetes, Docker, and Podman, in production environments.
  • Experience in the design, implementation, and sustainment of containerized and Virtualized Machine (VM) architectures.
  • Experience with system configuration and applying security controls under the Risk Management Framework.
  • Demonstrated understanding of computer network concepts (network hardware, cable management, IP address management).
  • Working knowledge of Linux and 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.
  • Advanced experience with Kubernetes cluster management, container orchestration, and automation.
  • 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, especially as applied to containerized environments.
  • 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.

#HotJobs

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.

Original Posting:June 8, 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: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.

Skills Required

  • Bachelor's degree with 4-8 years of experience, or Associate degree with 6-8 years, or High School diploma with 8+ years experience
  • Current DoD 8140/8570 IAT II certification (Security+CE or higher)
  • Must hold current active Secret clearance with eligibility to obtain Top Secret and Special Access Programs clearance
  • Hands-on experience with containerization technologies (Kubernetes, Docker, Podman) in production
  • Experience designing, implementing, and sustaining containerized and virtual machine architectures
  • Experience with system configuration and applying security controls under the Risk Management Framework (RMF)
  • Demonstrated understanding of computer network concepts (network hardware, cabling, IP address management)
  • Working knowledge of Linux and Windows operating systems
  • Excellent customer service and clear written and oral communication skills
  • Ability to work comfortably without immediate supervision

Leidos Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.

  • Healthcare Strength Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
  • Retirement Support Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
  • Wellbeing & Lifestyle Benefits Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.

Leidos Insights

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The Company
HQ: Reston, VA
27,104 Employees
Year Founded: 1969

What We Do

We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. 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 newly launched 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.

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