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Sr Principal HPC Linux Systems Administrator - Secret - R10207064

Job in Redondo Beach, Los Angeles County, California, 90278, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2025-12-02
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below

Overview

Join to apply for the Sr Principal HPC Linux Systems Administrator - Secret - R role at Northrop Grumman
.

Relocation assistance may be available. Clearance type:
Secret. Travel:
Yes, 10% of the time.

Note:

Due to the classified nature of the work, this position does not offer virtual or telecommute options; applicants should be willing to work on-site.

Roles and responsibilities
  • Work in a Red Hat Enterprise Linux (RHEL) Public Key Infrastructure (PKI) environment.
  • Utilize experience and knowledge of JSIG and STIG.
  • Monitor and report HPC system health/metrics.
  • Identify performance bottlenecks.
  • Modify system-wide parameters to improve performance.
  • Evaluate effects of those changes.
  • Gather data and report findings.
  • Configures and maintains a secure computing environment.
  • Scans, patches, and hardens the computing environment to meet customer requirements.
  • Collects, audits, and stores necessary log data for the system.
  • Develops artifacts necessary to support assessment and authorization of the system.
  • Makes recommendations to improve the security and usability of the system.
  • Occasional travel may be required.
Basic Qualifications
  • Associate’s degree and 10 years of relevant experience OR Bachelor’s degree and 8 years of relevant experience OR Master’s degree and 6 years of relevant experience; 12 years of experience may be considered in lieu of completed degree.
  • Candidates must have a current DOD Secret level security clearance (at a minimum) in order to be considered.
  • Candidates must have the ability to obtain, and maintain, a DOD Top Secret level security clearance as a condition of continued employment.
  • Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of employment.
  • Must have a Security+ CE certification (or greater); maintaining the required certification will be a condition of continued employment.
  • Red Hat Enterprise Linux (RHEL) PKI experience.
  • Experience with configuring, administering, and maintaining Red Hat or other Linux systems.
Preferred Qualifications
  • Bachelor's degree in Information Technology.
  • Active Top Secret, TS/SCI, Polygraph, or SAP/SAR access would be nice to have.
  • 10 years of Server Administration to include Active Directory and Group Policy in a classified environment.
  • Experience with patching systems, scanning for vulnerabilities (Security Center/Nessus, SCAP), hardening systems (DISA STIGs), auditing log files, and updating virus definitions.
  • Experience as an administrator for Red Hat or similar Linux systems within a DoD context.
  • Manage HPC system life cycle: concept, design, fabrication, test, installation, operation, maintenance, and disposal.
  • Perform HPC technical planning, system integration, verification and validation, and supportability and effectiveness analyses.
  • Assist software developers to install, fine-tune, and debug software.
  • Manage/assist technical users running analysis on HPC systems.
  • Collaborate with Security and follow its guidelines to design and implement cybersecurity solutions.
  • Experience with job schedulers, such as Slurm or PBS.
  • Experience with global and parallel file systems, such as Lustre.
  • Familiarity with HPC cluster management solutions, such as Bright or OpenHPC.
  • Good written and verbal communication, mentoring experience, and good interpersonal skills.
  • Prior experience working with clusters or supercomputers.

Equal Opportunity Statement: Northrop Grumman is an Equal Opportunity 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 and pay transparency statement, please visit  U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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