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Northrop Grumman Sr. Principal Linux Systems Administrator in Colorado Springs, Colorado

Discover careers that change the world and further advancements in defense, technology, and engineering today at Northrop Grumman. Use your experience to grow your career and support our global customers with the technology, systems, and solutions they need to enable their missions on the front lines and secure our world every day. With Northrop Grumman, you'll discover a culture built on diversity, respect, and above all teamwork. Together with our group of experts across the technical spectrum, you'll discover opportunities to make a difference in our world and start solving some of the world's most critical problems in the most innovative ways.

Northrop Grumman Defense Systems is seeking a Sr. Principal Linux Systems Administrator. This position will support the Command & Control Ballistic Missile Communications (C2BMC) program. The primary work location is Schriever Air Force Base (AFB), CO.

This position provides critical system administration of the software development and ancillary laboratory environments. Primary responsibilities include operating, maintaining, and managing Linux systems supporting a software development environment. Responsible for the overall day-to-day operations, system security, and availability of the Linux environment.

Other responsibilities include:

  • Responding appropriately to any security incidents discovered in the system or directed by program security

  • Installing, configuring, monitoring, managing and maintaining all Linux based servers and workstations

  • Creating and maintaining Linux server documents

  • Creating and maintaining Linux system administration processes and procedures using Ansible playbooks

  • Installing, configuring, managing and maintaining all Linux server based applications

  • Ensuring all Linux based systems have the appropriate patches installed including but not limited to, security, applications and Operating System (OS)

  • Ensuring all Linux based systems are running current versions of antivirus software with current virus definition files

  • Creating, managing and maintaining security groups and user accounts

  • Monitoring, managing and maintaining storage systems and devices

  • Creating and maintaining Linux server images

  • Recommending system enhancements, including but not limited to, servers, applications, storage, processes and procedures

  • Recommending when additional system resources are required or when existing resources should be retired

  • All other tasks as assigned by the IT site lead or IT Manager

Secondary Responsibilities

  • Assisting the help desk respond to end users requests/issues if needed


Basic Qualifications:

  • Bachelor's degree with a minimum of 9 years of relevant experience. May consider an additional 4 years of relevant work experience in lieu of a degree.

  • Must have any of the following active DOD 8570 IAT II certifications (Security +, CCNA Security, CySA+, GICSP, GSEC, SSCP)

  • Linux system administration experience

  • System Security Implementations

  • Linux shell scripting experience

  • Security-Enhanced (SE) Linux and Red Hat repository administration

  • Ansible playbook development and management

  • An active Secret security clearance and US citizenship required.

Preferred Qualifications:

  • Security Technical Implementation Guides (STIG)

  • Multi-Factor Authentication implementation like IPA and ADFS

  • OpenShift

  • OpenStack

  • VMware ESXI


  • Windows

  • Active Directory

  • HP Onboard Administrator configuration/management

  • Backup and Recovery

  • Containers and Container Orchestration products.

  • Linux certifications (Red Hat Certified Expert - RHCE)

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO/AA and Pay Transparency statement, please visit U.S. Citizenship is required for most positions.

Job Category : Information Technology