Linux/Unix Systems Administrator 2/3

Northrop Grumman is seeking a Linux/Unix System Administrator 2 or 3 to help support a program located in Aurora, CO.

The system administrator is responsible for troubleshooting, maintaining and implementing solutions to optimize the infrastructure operations. This individual will support a group of maintenance Software Engineers and their development

and production environments. Systems Administrator will help engineer upgrades to the current infrastructure, maintain all computer operating systems to current patch levels, install products as needed and perform security hardening of systems. Interaction with networking engineers and database engineers will also occur. Growth opportunities exist with future efforts to virtualize the current infrastructure. Ability to troubleshoot problems via a console on a server or workstation sufficient to have a support group make repairs is required. Knowledge of scripting and the ability to restore a computer from disks or backups is also needed.

This requisition may be filled at a higher grade based on qualification listed below.

This requisition my be filled at either a level 2 or level 3

Basic Qualifications for a Linux/Unix Systems Administrator 2 are:

  • An active TS/SCI security clearance or the ability to obtain one
  • Requires a BS within a Science, Technology, Engineering, or Mathematics discipline from an accredited college with 3 years' experience performing Linux and/or Unix Systems Administration duties, or 7 years' experience performing

Linux and/or Unix Systems Administration duties in lieu of a degree.

  • Experience with administering Red Hat Linux or Unix based PCs.
  • Ability to install software packages and patches.
  • Perform OS tuning, understand networking, perform user management, and perform security hardening, review OS logs as needed and perform system backups.
  • The successful candidate will have experience with scripting, particularly in shell scripting. Any experience with SH and CSH variants, Korn shell would be helpful.
  • Applicant must meet DOD 8570-1M requirements for commercial certification (e.g., A , Network and/or Security ) as an Information Assurance Technical (IAT) Level 1 or higher before starting employment. Applicants without an IAT Level 1 or certification may still be eligible for a contingency offer.
  • Familiar with Microsoft Office Suite.
  • Must be willing and able to Provide 24x7 support (including weekends and holidays)
  • Must be able to physically install, move and uninstall equipment.

BQs for a Linux/Unix Systems Administrator 3 are:

  • An active TS/SCI security clearance or the ability to obtain one
  • Requires a BS within a Science, Technology, Engineering, or Mathematics discipline from an accredited college with 6 years' experience, or a Masters within a Science, Technology, Engineering, or Mathematics discipline from an

accredited college with 4 years of experience performing Linux and/or Unix Systems Administration duties, or 10 years' experience performing Linux and/or Unix Systems Administration duties in lieu of a degree.

  • Experience with administering Red Hat Linux or Unix based PCs.
  • Ability to install software packages and patches.
  • Perform OS tuning, understand networking, perform user management, and perform security hardening, review OS logs as needed and perform system backups.
  • The successful candidate will have experience with scripting, particularly in shell scripting. Any experience with SH and

CSH variants, Korn shell would be helpful.

  • Applicant must meet DOD 8570-1M requirements for commercial certification (e.g., A , Network and/or Security ) as an Information Assurance Technical (IAT) Level 1 or higher before starting employment. Applicants without an IAT Level 1 or certification may still be eligible for a contingency offer.
  • Familiar with Microsoft Office Suite.
  • Must be willing and able to Provide 24x7 support (including weekends and holidays)
  • Must be able to physically install, move and uninstall equipment.

Preferred Qualifications for a level 2 or level 3:

  • Active TS/SCI security clearance with Polygraph (Polygraph within the last 4 years)
  • Desirable to have Solaris, Unix/Linux and Cisco operating systems experience working with network administration and firewalls.
  • Understanding of hardware and software RAID configurations and building is desirable.
  • Experience configuring and troubleshooting shared storage (FibreChannel and iSCSI).
  • Experience integrating, testing and managing complex virtualized systems.
  • VMware and VSphere experience.
  • Experience with system hardening and security best practices.

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.


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