Sr Software Engineer

We are seeking a Senior High Performance Computing (HPC) Software Engineer to support an advanced R&D program in Colorado Springs. In this role, you'll work directly with scientists, engineers, and HPC users to support modeling and simulation (M&S) applications within a high-performance Linux computing environment.You will be part of the Technical User Support (TUS) team, helping users run, optimize, and troubleshoot complex workloads while also contributing to software development and system improvements. This is an exciting opportunity to work alongside leading researchers on mission-critical technologies.What You'll DoSupport researchers and engineers using HPC systems for modeling and simulation workloadsTroubleshoot and optimize Linux-based HPC environments and user workflowsDevelop, maintain, and debug scientific software and toolsWork with existing codebases to improve performance and reliabilityCollaborate with the Technical User Support team, program scientists, and end usersProvide guidance and mentorship to junior engineers and researchersDeliver training sessions and documentation for HPC usersContribute to the full software development lifecycle including design, coding, testing, and documentationWhat We're Looking ForActive TS/SCI with CI Polygraph (required to start)Bachelor's degree in a STEM field10+ years of professional experience in software engineering or related fieldExperience with High Performance Computing (HPC) environmentsBackground supporting modeling and simulation (M&S) applicationsProficiency with Fortran, C, or C++Experience with Linux systems and shell scripting (BASH or Korn)Ability to troubleshoot complex systems and support end users in a lab environmentStrong debugging skills and experience maintaining existing code basesExcellent communication and collaboration skillsNice to HaveExperience working with scientific computing or research environmentsFamiliarity with distributed computing systems or HPC clustersExperience mentoring engineers or providing technical training