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Linux System Administrator (Principal Level)

At Northrop Grumman we develop cutting-edge technology that preserves freedom and advances human discovery. Expand your career through experience and exposure, all the while supporting a mission that seeks to ensure the security and freedom of our nation and its allies.

Join us on the edge. the Cutting Edge!

Northrop Grumman's Enterprise Services organization is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical professionals in the San Diego, CA area.

Roles and responsibilities include:

Perform as a Linux System Administrator for a classified government contract
Managing and maintaining secure, minimally-interrupted operations of Linux servers and workstations
Supporting bare-metal and virtual machines
Installing, hardening and patching Linux operating systems
Developing and documenting technical procedures
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
Coordinating actions with peer system administrators, network administrators, security teams, software teams and hardware engineers


Basic Qualifications:

Bachelor's degree and 5 years of related experience.(Appropriate combination of experience and education will be considered in lieu of thedegree requirement)
Current Security + CE or ability to obtain within 6 months of hire
Ability to obtain and maintain a DoD ActiveClearance
Ability to maintain an active clearance
Ability to be cleared to special access programs
Ability to lift equipment weighing up to 40 pounds
Ability to work after hours and weekends as needed
US citizenship is required
Ability to obtain and maintain security clearance
Experience managing Redhat Linux server environment

Preferred Qualifications:

Bachelors or Masters Degree in IS related field
Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
Redhat System Administration certification(s)
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 RMF and STIGs
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
DoD 8570 Certification in a primary OS (Windows, Linux, Cisco)
Currently valid Security+ CE, CASP, CISSP or similar security certification
Currently Active Top Secret/SCI Clearance


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.

Company Name:
Security Clearance:
Top Secret / SCI
San Diego, California
Not Specified
Job Number:

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