Software Engineer - HPC Linux (Top Secret/SCI with CI Poly to start)

North Point Technology is looking to hire a Senior HPC Linux Software Engineer to join an on-site Technical User Support team embedded within a High Performance Computing Research and Development program. This role requires an active Top Secret/SCI clearance with CI Polygraph to start. The successful candidate will collaborate closely with a multidisciplinary team including a TUS team lead, program Chief Scientist, end users, and site staff to support and advance HPC modeling and simulation capabilities. Responsibilities: The engineer will serve as an active member of an on-site Technical User Support team, supporting HPC users through their modeling and simulation workflows, developing and maintaining software in heterogeneous multi-platform Linux environments, analyzing and debugging existing codebases, applying software engineering best practices including requirements analysis, design, coding, documentation, and unit testing, conducting code reviews, mentoring junior engineers and scientists, and designing and delivering training workshops, tutorials, and onboarding materials for HPC users and internal staff. Required Skills/Experience: Modeling and simulation software development and use in heterogeneous, multi-platform environments High Performance Computing (HPC) environment knowledge and related technologies HPC user workflow support for modeling and simulation problems and GUIs Proficiency in Fortran, C, and/or C++ Proficiency in BASH and Korn shell scripting Linux operating system proficiency, including end-user system troubleshooting in a lab environment Software development lifecycle practices including requirements, use cases, design, coding, documentation, and testing of scalable distributed applications in Linux Unit testing and configuration management Analysis, debugging, and maintenance of existing codebases Code review facilitation and mentoring of junior engineers or scientists Design and delivery of training workshops, tutorials, or onboarding m