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Principal Linux System Administrator

Northrop Grumman

$86,600 - $130,000
Sep 18, 2025
Hill AFB, UT, USA • Huntsville, AL, USA
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Northrop Grumman is seeking a Principal Linux Systems Administrator to join their dynamic Classified Solutions team to work on revolutionary systems that impact people's lives around the world today, and for generations to come.

Requirements

  • Minimum of three years of experience with Systems Administration for Linux Operating Systems such as RedHat Enterprise Linux (RHEL), CentOS, or Rocky Linux.
  • Able to obtain IAT Level II certification such as CASP+ or Security+ within 90 days
  • Experience with DevOps architecture such as Kubernetes, Nexus, Harbor, Docker, GitLab, etc.
  • Experience with security compliance and related security scanning products.
  • Experience in enterprise backup and restore solutions, storage area network (SAN), and network attached storage (NAS)
  • Experience with scripting using tools such as Python, Perl, Bash, PowerShell, etc.
  • Experience with network administration and related infrastructure

Responsibilities

  • Oversee large-scale server environments, including physical and virtualized servers, ensuring scalability and high availability.
  • Utilize tools to maintain consistent configurations across multiple servers, automating deployment and compliance.
  • Conduct regular performance assessments and optimizations of server resources, including CPU, memory, and storage to enhance system efficiency.
  • Implement and maintain solutions such as clustering and load balancing to ensure system reliability and performance during peak usage.
  • Perform regular security audits to assess compliance with industry standards and regulatory requirements, proactively mitigating potential security risks.
  • Develop and maintain comprehensive backup strategies and disaster recovery plans, ensuring minimal downtime and data loss in case of failures.
  • Set up advanced monitoring solutions using tools for real-time visibility into system health and resource utilization, generating regular reports for stakeholders.

Other

  • Bachelor's degree in a Science, Technology, Engineering or Math discipline with 5 years of relevant experience OR Master’s degree with 3 years of relevant experience OR a high school diploma or GED equivalent with 9 years of relevant experience
  • U.S. citizenship with an active SCI clearance
  • Travel: Yes, 10% of the Time
  • Candidate must demonstrate strong troubleshooting and problem-solving skills
  • Ability to work on-site, full-time, at either our Roy, UT or Huntsville, AL campus.