Senior Software Engineer, HPC Technical User Support

Careerscape is recruiting on behalf of our client for a Senior Software Engineer to support technical users on a classified High Performance Computing (HPC) research and development environment in Colorado Springs, CO. In this role you will be the go-to technical resource for scientists and engineers running modeling and simulation workloads on HPC systems, helping them onboard, resolve access issues, troubleshoot code, and keep complex workflows running smoothly in a secure, mission-critical environment.

Day to day, you will split your time between hands-on user support, scripting, debugging, and documentation, all while coordinating closely with the customer, O&M, and security teams to keep the HPC environment secure and available. This role suits an engineer who enjoys direct technical problem-solving with end users, is comfortable moving between C/C++/Fortran code, Linux shells, and configuration management practices, and takes pride in clear documentation and dependable support in a high-security, high-stakes setting.

Responsibilities

• Provide direct technical support to classified HPC users including onboarding and account and access troubleshooting
• Assist researchers with modeling and simulation workflows written in C, C++, and Fortran
• Write and maintain Bash and Korn shell scripts to automate user workflows and diagnostics
• Debug and maintain user codebases running on Linux-based HPC clusters
• Document common issues, resolutions, and standard operating procedures for the user community
• Coordinate with O&M teams to resolve system, storage, and job scheduler issues affecting users
• Coordinate with security teams to ensure access requests and account actions meet program requirements
• Track and manage configuration items and changes within established configuration management processes
• Triage and prioritize incoming user support requests and escalate as needed
• Deliver user training and orientation materials for new HPC environment users

Requirements

• Active TS/SCI clearance with a Counterintelligence (CI) Polygraph is required
• DOD 8570 IAT Level 2 certification is required
• 10 or more years of technical experience, including modeling and simulation support
• Hands-on experience with C and C++ in a modeling and simulation context
• Working experience with Fortran in an HPC or scientific computing environment
• Basic to intermediate Linux command line experience is required
• Familiarity with HPC environments, job schedulers, and parallel computing concepts
• Experience with Bash and Korn shell scripting for automation and troubleshooting
• Strong written communication skills for technical documentation

Benefits

• Medical, dental, and vision insurance
• 401k retirement plan with employer match
• Paid time off and paid holidays
• Life and disability insurance
• Tuition and professional certification assistance
• Relocation assistance for qualified candidates
• On-site access to a secure, cutting-edge HPC research environment
• Career growth opportunities within a long-term government program

Job Type: Full-Time | Work Type: On-site | Industry: Information Technology | Experience: Mid-Senior