Sr. Principal Linux Systems Administrator - Top Secret

The selected candidate will be required to work on-site, full-time at our Woodland Hills, CA campus. Roles and Responsibilities include but are not limited to:

• Manage and maintain secure, minimally-interrupted operations of Linux servers and workstations

• Support bare-metal and virtual machines

• Coordinate actions with peer system administrators, network administrators, security teams, software teams and hardware engineers

• Recommend and implement performance-enhancement, reliability-enhancement, and automation solutions

• Install hardening and patching Linux operating systems

• Troubleshoot end-user issues; developing and documenting technical procedures.

• Primary system administration duties reside in 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

• Lift equipment weighing up to 40 pounds

• Work after hours and weekends as needed

Note: Due to the classified nature of the work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to apply, only if they are willing to work on-site.

Basic Qualifications:

• Associate's degree and 11 years of experience OR Bachelor’s degree and 9 years of experience OR Master's degree and 3 years of experience; 13years of related experience may be considered in lieu of completed degree.

• Candidates must have a current DoD Top Secret level security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the DoD Continuous Evaluation Program (CEP), in order to be considered; the required security clearance must be maintained as a condition of continued employment.

• Ability to obtain and maintain a Special Access Program level clearance (SAP/SAR) as a condition of continued employment.

• IAT Level II certification (ex: Security+ CE) or greater or ability to obtain with 6 months of start date.

• Experience with Linux OS.

Preferred Qualifications:

• DoD Top Secret/SCI clearance.

• Redhat System Administration certification(s).

• Experience with RedHat Enterprise Linux OS.

• 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.

• Network backup and restore experience.