HPC Applications Programmer- 100% Remote

Clearance Level
Software Development
Remote, Based in USA

REQ#: RQ108741

Travel Required: None
Public Trust: NACLC (T3)
Requisition Type: Regular

At GDIT, people are our differentiator.  Our work depends on an Applications Programmer joining our team to support the National Oceanic and Atmospheric Administration (NOAA), Weather and Climate Operational Supercomputer System (WCOSS) in College Park, MD (or potential for 100% remote.)

WCOSS provides NOAA the operational High Performance Computing (HPC) resources essential to process sophisticated numerical models used to predict and understand atmospheric and oceanic phenomena for weather and climate operational use.  Operating 24/7, the next 10-year WCOSS program will deliver significant computational capability that will evolve over time to keep pace with NOAA’s growing environmental modeling needs.

We are looking for individuals to join GDIT’s team to deploy, operate and support leading-edge technology for WCOSS.  Specific technology training will be provided.

We think. We act. We deliver. There is no challenge we can’t turn into opportunity.

In this role, a typical day will include:

  • Assist users with porting, debugging, optimizing weather forecasting code.
  • Provide support and triage user tickets for issues with batch scheduler, applications and shell scripts, and user environment.
  • Develop documentation and create training material for users.  Conduct periodical user training classes.
  • Experience with Cray, AMD, Cray Programming Environment (PE), lmod, PBSPro would be valuable.


  • Bachelor’s degree or equivalent and 10+ years of experience working in a HPC environment.
  • Experience with HPC parallel applications, tuning and optimization.
  • Experience with various programming and scripting languages including MPI, OpenMP, FORTRAN, etc.
  • Knowledge of various HPC architectures, processors, compilers and libraries.
  • Good communication skills to identify and resolve problems.
  • Team spirit and willingness to work in teams to maintain operational performance.


Opportunity Owned

Discover more at www.gdit.com/careers  

COVID-19 Vaccination Requirement: To protect the health and safety of its employees and to comply with customer requirements, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

The likely salary range for this position is $128,000 - $192,000, this is not, however, a guarantee of compensation or salary; rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

View information about benefits and our total rewards program.

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.