Linux Systems Administrator 3/4

Northrop Grumman   •  

Boulder, CO

Industry: Aerospace & Defense

  •  

5 - 7 years

Posted 170 days ago

This job is no longer available.

Description

 

Northrop Grumman Mission Systems is seeking an experienced Linux Systems Administrator 3/4 who will apply system administration and troubleshooting skills in support of multiple, dynamic software development and test environments.

 

Roles and Responsibilities

Duties include but are not limited to: managing and maintaining secure, minimally-interrupted operations of Linux servers and workstations;  supporting bare-metal and virtual machines; coordinating actions with peer system administrators, network administrators, security teams, software teams and hardware engineers;  devising, recommending, and implementing performance-enhancement, reliability-enhancement, and automation solutions; installing, hardening and patching Linux operating systems;  troubleshooting end-user issues;  developing and documenting technical procedures. Primary system administration duties reside in DoD classified environments ; proto-typing, testing, and proof-of-concept work done in an unclassified environment when possible. The selected candidate will:

  • Be proficient working from a command-line environment
  • Able to partition disks, create logical volumes, create file systems and mount file systems in Linux environments
  • Read, modify and create shell script and scripts in various other languages
  • Understand basic LDAP and DNS concepts and be able to query these services for information and troubleshoot issues in Linux environments
  • Learn new technologies on own and work effectively independently, while still coordinating actions as required
  • Install and configure COTS software, and perform configuration and maintenance in Linux environments
  • Interact 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
  • Occasional travel to customer sites or other Northrop Grumman sites in support of troubleshooting, testing, and deployment activities

This position may be filled at a higher job grade based on the qualifications listed below.

 

Qualifications

 

This position may be filled as either a level 3 or a level 4.

 

Basic Qualifications for a Level 3: 

  • Bachelor’s degree and 5 years of related experience; An additional 4 years of experience may be considered in lieu of a degree
  • Must meet DoD 8570-1M requirements for Information Assurance Technical (IAT) Level 1 (e.g. Security+ CE  or equivalent)
  • Active Secret clearance with  the ability to obtain a Top Secret/SCI

Basic Qualifications for a Level 4: 

  • Bachelor’s degree and 9 years of related experience; An additional 4 years of experience may be considered in lieu of a degree
  • Must meet DoD 8570-1M requirements for Information Assurance Technical (IAT) Level 1 (e.g. Security+ CE  or equivalent)
  • Active Secret clearance with  the ability to obtain a Top Secret/SCI

Preferred Qualifications for Levels 3 and 4

  • Redhat system administration certification(s)
  • Active Top Secret clearance
  • Experience with NAS storage device (preferably NetApp) administration (ONTAP 8.x or higher ; CDOT)
  • Solid understanding of Enterprise-level storage concepts to include all commonly-used RAID-levels
  • Redhat Satellite Server (version 5 and version 6) configuration and usage experience
  • Solid understanding of remediating security vulnerabilities ; Experience hardening Redhat systems in accordance with STIGs
  • Centrify Identity Management (Single Sign-On) experience
  • VMware and ESXi (6.x or higher) configuration and management experience
  • Experience with host-based firewall implementations and configuration (Redhat “iptables”)
  • Experience building custom “rpm” software packages for Redhat platforms
  • Windows (7, 10) administration experience;  Windows Server 2008/2012 experience;  Group
  • Policies(GPOs) experience;  Active Directory management experience
  • Solid writing skills and use of Wiki pages and Sharepoint sites for documentation

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