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HPC Linux Systems Administrator - Secret

Remote / Online - Candidates ideally in
Palmdale, Los Angeles County, California, 93552, USA
Listing for: Northrop Grumman Corp. (JP)
Full Time, Remote/Work from Home position
Listed on 2026-06-05
Job specializations:
  • IT/Tech
    Cybersecurity, IT Support
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: HPC Linux Systems Administrator 3/4 - Secret

RELOCATION ASSISTANCE:
Relocation assistance may be available

CLEARANCE REQUIRED FOR START:
Yes

CLEARANCE TYPE:
Secret

TRAVEL:
Yes, 10% of the Time

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. 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 look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader.

At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career.

The Northrop Grumman Classified Solutions team is seeking an HPC/Linux Systems Administrator to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Palmdale, CA location.

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.

Roles and responsibilities will include but not be limited to:
  • Perform as Linux Systems Administrator for a medium to large sized classified program.
  • Communicate effectively at all levels of the organization, with internal and external customers, in written and oral format.
  • Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management.
  • Support multiple networks; ensure necessary administration tasks are completed.
  • Work closely with System Engineering and other team members to develop recommended system improvements, upgrades, and solutions.
  • Recommend and implement system enhancements to improve performance and reliability of systems, including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
  • Administer backup and recovery services; manage file systems and disk space; manage virus protection on a routine basis.
  • Create and maintain user and computer accounts and modify file permissions and security access lists.
  • Test new releases of products to ensure compatibility and minimize user impact.
  • Develop and document technical processes and procedures as needed.
  • Make recommendations to purchase hardware, software, and system components.
  • Interact, meet, discuss, and troubleshoot issues with team members, suppliers, customers, and vendors.
  • Adhere to strict Information Systems security guidelines in all cases.
  • Maintain security audit and logging information on all networked and standalone computers in a classified environment as directed by the Information Systems Security Manager (ISSM).
  • Prepare security documentation for input to Computer Security.
  • Report on project status as required for all recurring and non-recurring efforts.
  • Work under minimal direction and independently determine and develop approach to solutions.
  • Lift equipment weighing up to 40 pounds.
  • Work after hours and weekends as needed.

This position may filled at a higher level based on the qualifications listed below.

Basic Qualifications for Level 3:
  • Associate's degree and 7 years of relevant experience OR Bachelor’s degree and 5 years of relevant experience OR Master’s degree and 3 years of relevant experience; a High School diploma or equivalent and 9 years of related experience may be considered in lieu of a completed degree.
  • Candidates must have a current US Government Secret security clearance (at a minimum) to be considered
  • Candidates must have the ability to obtain access to Special Programs as a condition of employment, maintaining Special Programs access will be a condition of employment
  • Current Security + CE (or greater) certification OR the ability to obtain certification within 6 months of hire date.
  • Must have Linux Operating Systems support experience
  • Linux Workstation and Server management experience is required
Basic…
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