Principal / Sr. Principal HPC Linux EngineerWoodland Hills, CA

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.

Northrop Grumman Mission Systems is a trusted provider of mission-enabling solutions for global security. Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission!

We are looking for you to join our team as an HPC Linux Engineer based out of Woodland Hills, CA. As an HPC Linux Engineer at Northrop Grumman you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of Model-based Engineering, DevSecOps and Agile practices we continue to evolve how we deliver critical national defense products and capabilities for the warfighter. Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation. The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of automation.

What You'll get to Do:

Northrop Grumman is one of the industry leaders in Advanced Computing. As such, we are involved in all phases of development, production, and maintenance of High Performing Computers/Labs. We are currently looking for experienced HPC Linux staff to work on a variety of challenging issues. One area where we are in the need of talent is in HPC Linux Software Engineering.

As a HPC Linux Software Engineer, you will perform tasks that include:

  • Perform system administration tasks

  • Manage HPC system life cycle: concept, design, fabrication, test, installation, operation, maintenance, and disposal

  • Perform HPC technical planning, system integration, verification and validation, cost and risk evaluation, and supportability and effectiveness analyses

  • 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 finding to senior HPC engineers

  • 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 guideline to design and implement cybersecurity solutions

This position is contingent upon clearance and program special access.

This requisition may be filled at a higher grade based on qualifications listed below


This requisition may be filled at either a Principal Level or a Sr. Principal Level.

Basic Qualifications for a Principal HPC Linux Engineer are:

  • 5 years of experience with a Bachelors degree; 3 years of experience with Masters; 0 Years with a PhD; an additional 4 years of experience can be considered in lieu of a degree

  • Working experience with C, C++, and Python programming languages

  • Must have the ability to obtain and maintain DoD 8570 (Security+) certification

  • Active DoD Secret clearance with the ability to obtain TS Clearance as condition of continued employment

  • Ability to be cleared to special access programs

  • Experience with RedHat Enterprise Linux OS

Basic Qualifications for a Sr. Principal HPC Linux Engineer are:

  • 9 years of experience with a Bachelors degree; 7 years of experience with Masters; 4 Years with a PhD; an additional 4 years of experience can be considered in lieu of a degree

  • Working experience with C, C++, and Python programming languages

  • Must have the ability to obtain and maintain DoD 8570 (Security+) certification

  • Active DoD Secret clearance with the ability to obtain TS Clearance as condition of continued employment.

  • Experience with RedHat Enterprise Linux OS

Preferred Qualifications:

  • Master of Science degree in Computer engineering, computer science, or system engineering discipline from an accredited college or university.

  • Good written and verbal communication, mentoring experience, and good interpersonal skills.

  • Prior experience working with clusters or supercomputers.

  • Hands-on experience HPC hardware diagnostic and repair

  • Experience with Software compilation process (compilers, GNU Make, CMake…etc)

  • Familiar with cybersecurity requirements and methodologies.

  • Working knowledge of JSIG and STIG.

  • Experience with various MPI implementations, IntelMPI, OpenMPI, MPICH

  • Experience with InfiniBand and the InfiniBand protocol

  • Experience with Nvidia CUDA libraries and GPUs

  • Experience with job schedulers, such as Slurm or PBS

  • Experience with global and parallel files systems, such as Lustre

  • Familiarity with HPC cluster management solutions, such as Bright or OpenHPC

Salary Range: $107,300 - $160,900

Salary Range 2: $133,000 - $199,600

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Employees may be eligible for a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

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.