Linux Systems Administrator 3

At Northrop Grumman we develop cutting-edge technology that preserves freedom and advances human discovery. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We continue to innovate with developments from launching the first commercial flight to space, to discovering the early beginnings of the universe. Our employees are not only part of history, they're making history.

Are you looking to join a growing, dynamic team supporting a critical mission for the government? Do you enjoy systems administration and creating solutions for complex system problems? Northrop Grumman Missions Systems (NGMS) Sector is seeking a Linux Systems Administrator 3 to join a support team located at our Schriever AFB, CO location.

This position will require the ability to effectively work alongside software developers, testers, operations specialists throughout the full lifecycle development of hardware and projects.

Responsibilities Include:

  • Managing and maintaining secure, minimally-interrupted operations of Linux servers and virtualized environments.
  • Supporting bare-metal and virtual machines; coordinating actions with peer system administrators, network administrators, security teams, software teams and Operations; devising, recommending, and implementing performance-enhancement, reliability-enhancement, and automation solutions.
  • Installing, hardening and patching Linux operating systems.
  • Working in a command-line environment
  • Creating/modifying shell scripts (ex: bash, perl, python)
  • Partition disks, create logical volumes, create/mount Linux filesystems.
  • Create and manage user accounts in a Linux environment
  • Query LDAP/DNS services for information and troubleshooting purposes in a Linux environment.
  • Troubleshooting end-user issues.
  • Developing and documenting technical procedures.
  • Install and configure COTS software
  • Interacting with and successfully utilize boards-of-approval to maintain required security controls and configuration management
  • Perform technical research on Information Technology topics, as requested, and produce presentations and recommendations
  • Independently learn and apply new technologies as appropriate, while coordinating actions with the team as required.
  • Build complex VMware environments and experience with ESXi, vSphere , Horizon View, vMotion, vCenter and VDI's.
  • Configure and maintain SANs for use in virtual environments.
  • Providing on-call (24 hour) Ops support as needed
  • After hours and weekend work as needed
  • Strong oral, written, and interpersonal communication

Position contingent on final adjudicated TS/SCI with CI Polygraph

Basic Qualifications:
  • Bachelor's degree and 6 years of IT experience or10 years of IT experience in lieu of degree.
  • Hands on experience installing and configuring COTS software
  • Hands on experience using VMWare products
  • Hands on experience with Linux Operating System
  • Current Security+
  • Active DoD Top Secret security clearance with SCI eligibility
  • Ability to obtain and maintain a Counter Intelligence Polygraph
  • Ability to obtain and maintain SCI clearance
Preferred Qualifications:
  • RedHat Certified (Example: RedHat Certified System Administrator , Redhat Certified Engineer)
  • NAS storage device administration
  • Solid Understanding of Enterprise-level storage concepts to include commonly-used RAID-levels
  • RedHat Satellite Server v5/6 configuration/usage experience
  • Solid understanding of remediating security vulnerabilities to include hardening RedHat systems in accordance with RMF and STIGs
  • Identity Management (Single Sign-on) experience
  • VMWare ESXi (6.x+) configuration and management experience
  • Experience implementing/configuring Linux software based firewall implementations (iptables/firewalld)
  • Ability to create custom RPM packages for RedHat platforms.
  • Windows (7,10, Server 2008, Server 2012) administration experience
  • Windows GPO experience
  • Windows Active Directory management experience


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 www.northropgrumman.com/EEO . U.S. Citizenship is required for most positions.${descr2}${descr3}


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