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HPC Engineer, User Assistance (Entry Level)

Date: Jun 3, 2022

Location: Oak Ridge, TN, US, 37831

Company: Oak Ridge National Laboratory

Requisition Id 7985 

The Organization

The National Center for Computational Sciences (NCCS) at the Oak Ridge National Laboratory (ORNL) is responsible for providing computational resources at extreme scales for science.  NCCS is home to some of the fastest supercomputers and storage systems in the world, e.g., the 27 petaflops Titan system, the 200 petaflops Summit system, the 250 petabytes GPFS-based Alpine parallel file system, and the disk/tape HPSS archival storage system.  NCCS serves multiple agencies including DOE, NOAA, and the Air Force.  The NCCS also supports the center’s Quantum Computing User Program (QCUP) which provides access to state-of-the-art quantum computing resources.


The Team

The NCCS User Assistance (UA) Group provides technical support to the center’s advanced computing resources including high-performance computing (HPC) and Quantum, generates documentation about NCCS systems, and develops and delivers training to users of the center’s resources. NCCS staff members are also responsible for developing tools and technical solutions for users of these resources.  NCCS User Assistant specialists also serve as ambassadors for users of these resources and the rest of the organization.   


Major Duties and Responsibilities 

The role comprises the following primary functions:

  • Take technical ownership of user reported problems and provide hands-on support for scientific applications and libraries and users of high-performance computing, clusters, quantum, and other advanced computing resources.
  • Identify and resolve system-level bugs in conjunction with other technical staff.
  • Install third-party software applications and tools and provide documentation for usage.
  • Proactively ensure that users have up-to-date information about the system, including any changes and their impact on the users. User Support staff are very involved in researching and developing documentation and reference material during system early-use and upgrade phases, as well as maintaining them throughout system operation.
  • Participate in the development, maintenance, and delivery of training and outreach materials to users.
  • Respond to general administrative questions (e.g., system status, requests for accessor special accommodation, etc)
  • Actively participate and advocate for users during planning of system configuration, policy creation, outages, and other user impacting events.


Basic Qualifications:

  • A Bachelor's degree in computer science or a related field.
  • Practical experience with multiple programming languages and technologies including at least one of the following:
    • Fortran
    • C
    • C++
    • Perl
    • Shell scripting (e.g., bash, ksh) in a Linux or Unix environment 


Preferred Qualifications:

  • Experience building and installing scientific software and other 3rd party software applications on HPC systems
  • Experience with HPC schedulers and resource managers
  • Experience executing scientific software on HPC systems
  • Experience writing user documentation
  • Strong technical and analytical skills
  • Strong verbal and written communication skills
  • Maintains the highest level of professionalism at all times when interacting with internal and external customers
  • Demonstrates a high-energy, positive attitude and commitment to quality customer service
  • Contributes to a positive team environment within the center by demonstrating a strong work ethic, effectively communicating with others, and proactively anticipating center and user needs


Benefits at ORNL:

UT Battelle offers an exceptional benefits package to include matching 401K, Pension Plan, Paid Vacation and Medical / Dental plan. Onsite amenities include Credit Union, Medical Clinic, and free Fitness facilities.   


UT-Battelle offers a generous relocation package to ease the transition process. Domestic and international relocation assistance is available for this position.

For more information about our benefits, working here, and living here, visit the “About” tab at




This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.

If you have trouble applying for a position, please email

ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply.  UT-Battelle is an E-Verify employer.

Nearest Major Market: Knoxville