Posted today
Top Secret/SCI
Senior Level Career (10+ yrs experience)
$300,000 - $350,000
No Traveling
CI Polygraph
IT - Software
Littleton, CO (On-Site/Office)
Senior HPC Linux Software Engineer
Location: Littleton, CO (On‑Site)
Clearance: Active & current TS/SCI with a CI Poly
Contract: 5‑Year Government Program
We are supporting a long‑term High Performance Computing (HPC) Research and Development customer contract in Littleton, CO. We are seeking a mid‑career HPC Linux Software Engineer to join the Technical User Support (TUS) team. This role is fully on‑site, working directly with the TUS team lead, program Chief Scientist, customers, researchers, and site staff to support advanced modeling and simulation workflows in a high-performance computing environment.
Responsibilities:
• Support HPC user workflows for modeling, simulation, and GUI-driven environments
• Develop, debug, and enhance scientific and technical software in Linux environments
• Assist users with modeling/simulation applications across heterogeneous, multi-platform systems
• Troubleshoot Linux system issues and resolve end‑user technical problems in an R&D lab environment
• Maintain and improve existing code bases, ensuring performance, scalability, and reliability
• Apply software development best practices, including coding standards, unit testing, and configuration management
• Support distributed, scalable applications running within HPC environments
• Mentor junior engineers and provide technical guidance
• Develop and deliver training workshops, onboarding sessions, and tutorials for HPC users
• Collaborate closely with scientists, engineers, and system staff to improve HPC user experience and workflow efficiency
Basic Qualifications:
• Bachelor’s degree in a STEM discipline
• Minimum 10 years of professional engineering or software development experience
• Approximately 5 years of experience with modeling and simulation software in heterogeneous, multi-platform environments
• Experience supporting HPC workflows and users in R&D environments
• Proficiency with Fortran, C, and/or C++
• Strong scripting skills with BASH and Korn
• Linux OS proficiency, including troubleshooting and resolving end‑user or system-level issues
• Experience with software engineering standards, unit testing, and configuration management tools
• Background in requirements analysis, design, documentation, and testing of Linux-based distributed applications
• Ability to analyze, debug, and maintain complex code bases
• Experience mentoring junior engineers or scientists
• Experience designing or teaching technical training for HPC users
• Strong communication skills, teamwork, and problem-solving ability
Preferred Qualifications:
• Experience supporting HPC in government, DoD, or national laboratory environments
• Experience with performance optimization of scientific applications
• Familiarity with large-scale modeling and simulation ecosystems
• Experience working directly with researchers or scientific end-users
Work Location:
Littleton, CO – On-site in a secure R&D environment
Clearance Requirements:
Active TS/SCI with CI Poly
Location: Littleton, CO (On‑Site)
Clearance: Active & current TS/SCI with a CI Poly
Contract: 5‑Year Government Program
We are supporting a long‑term High Performance Computing (HPC) Research and Development customer contract in Littleton, CO. We are seeking a mid‑career HPC Linux Software Engineer to join the Technical User Support (TUS) team. This role is fully on‑site, working directly with the TUS team lead, program Chief Scientist, customers, researchers, and site staff to support advanced modeling and simulation workflows in a high-performance computing environment.
Responsibilities:
• Support HPC user workflows for modeling, simulation, and GUI-driven environments
• Develop, debug, and enhance scientific and technical software in Linux environments
• Assist users with modeling/simulation applications across heterogeneous, multi-platform systems
• Troubleshoot Linux system issues and resolve end‑user technical problems in an R&D lab environment
• Maintain and improve existing code bases, ensuring performance, scalability, and reliability
• Apply software development best practices, including coding standards, unit testing, and configuration management
• Support distributed, scalable applications running within HPC environments
• Mentor junior engineers and provide technical guidance
• Develop and deliver training workshops, onboarding sessions, and tutorials for HPC users
• Collaborate closely with scientists, engineers, and system staff to improve HPC user experience and workflow efficiency
Basic Qualifications:
• Bachelor’s degree in a STEM discipline
• Minimum 10 years of professional engineering or software development experience
• Approximately 5 years of experience with modeling and simulation software in heterogeneous, multi-platform environments
• Experience supporting HPC workflows and users in R&D environments
• Proficiency with Fortran, C, and/or C++
• Strong scripting skills with BASH and Korn
• Linux OS proficiency, including troubleshooting and resolving end‑user or system-level issues
• Experience with software engineering standards, unit testing, and configuration management tools
• Background in requirements analysis, design, documentation, and testing of Linux-based distributed applications
• Ability to analyze, debug, and maintain complex code bases
• Experience mentoring junior engineers or scientists
• Experience designing or teaching technical training for HPC users
• Strong communication skills, teamwork, and problem-solving ability
Preferred Qualifications:
• Experience supporting HPC in government, DoD, or national laboratory environments
• Experience with performance optimization of scientific applications
• Familiarity with large-scale modeling and simulation ecosystems
• Experience working directly with researchers or scientific end-users
Work Location:
Littleton, CO – On-site in a secure R&D environment
Clearance Requirements:
Active TS/SCI with CI Poly
group id: ClearanceJobsSC
