Senior Software Engineer, HPC Technical User Support

U.S. Citizenship is required.

Active TS/SCI with CI Poly is required to start.

Senior Software Engineer, HPC Technical User Support

DPG is seeking a Senior Software Engineer to support a classified High Performance Computing (HPC) Research and Development customer in Colorado Springs, CO. This role supports HPC Linux technical users, including onboarding, access troubleshooting, script execution, modeling and simulation workflow support, and coordination with customer, O&M, and security teams.

The ideal candidate is a hands-on Linux software engineer with HPC experience, strong scripting and debugging skills, and the ability to support scientists, engineers, and mission users in a technical lab environment.

What You Will Do

• Provide direct technical support to HPC users in a classified R&D environment.

• Support user onboarding, account access, permissions, and environment setup.

• Troubleshoot Linux, application, script, workflow, and user environment issues.

• Support modeling and simulation workflows, GUI-based tools, and HPC user processes.

• Develop, debug, maintain, and document software in a Linux environment.

• Use Fortran, C, C++, Bash, and Korn shell to support existing codebases and user needs.

• Coordinate technical issues with users, customers, site staff, O&M teams, and security teams.

• Create user documentation, tutorials, onboarding material, and training content.

• Mentor junior engineers or scientists and support code reviews.

Qualifications You Must Have

• Active TS/SCI clearance with CI Poly required to start.

• Bachelor’s degree in a STEM related discipline.

• 10 or more years of professional technical experience.

• Approximately 5 years of experience developing or supporting modeling and simulation software.

• Experience supporting HPC users, HPC workflows, or technical computing environments.

• Strong Linux operating system proficiency.

• Proficiency with Fortran, C, and/or C++.

• Proficiency with Bash and Korn shell scripting.

• Experience debugging and maintaining existing codebases.

• Experience with coding standards, unit testing, documentation, and configuration management.

• Strong communication, organization, and problem solving skills.

• Must be a U.S. Citizen.

Qualifications We Prefer

• Experience with HPC clusters, scientific computing, or research computing environments.

• Experience with job schedulers, batch processing, parallel computing, or distributed applications.

• Experience supporting classified, defense, aerospace, intelligence, or R&D programs.

• Experience developing training material, onboarding guides, or technical user documentation.

• Experience mentoring junior engineers or supporting technical users.

Work Location

• On site in Colorado Springs, CO.

• Full-time support at a classified customer site.

Overview of Benefits

• Company funded 401k Profit Sharing Plan with 25% of base pay deposited every pay period and vested day one.

• Company paid health care benefits and premiums 100%, with company HSA contribution.

• Quarterly equity share bonuses.

• 250 hours of PTO with up to 40 hours available to carry over.

• Bi-annual company sponsored events for employees and families.

• Education benefits, including certification and tuition reimbursement.