HPC Software Engineer with Security Clearance

Minimum Clearance Required Full Scope Poly Responsibilities I2X Technologies is a reputable technology services company to the Federal Government. Whether the focus is on space exploration, national security, cyber security, or cutting-edge engineering applications, I2X is ready to offer you the chance to make a real-world impact in your field and for your country. We provide long-term growth and development. Headquartered in Colorado, I2X is engaged in programs across the country and in more than 20 states. Our programs support multiple Federal agencies, the Department of Defense and often focused on the space initiatives of our government customers. I2X Technologies is seeking a HPC Software Engineer to support ongoing activities for a customer in Colorado Springs, CO . This position will be *on-site* and will require an active * TS/SCI with Polygraph . * Responsible for working with HPC users to achieve faster "time to science". * Work closely with the users to port, optimize, and parallelize codes to the users' requirements. * Mentor junior members of the TUS and broader HPC teams, providing technical guidance, code‑review sessions, and career‑development advice. * Design and deliver training workshops, tutorials, and documentation to help end‑users and internal staff adopt HPC tools, best‑practice coding standards, and performance‑tuning techniques. * This position will be on-site with a specific customer focused on their workflow, modeling and simulation, and data requirements and working with the program Chief Scientist, TUS team lead, and others to design and implement solutions to meet the customer's requirements. Qualifications * Bachelor's degree in STEM related discipline and a minimum of 10 years of professional level experience * Around 5 years of experience developing and using modeling and simulation software in heterogeneous, multi-platform environments * TS/SCI with Polygraph * Working with HPC users workflow for mod/sim problems and GUIs * Knowledge of High Performance Computing (HPC) environment and related technologies * Demonstrated proficiency with Fortran, C, and/or C++ * Demonstrated proficiency with BASH and Korn * Linux Operating System proficiency, ability to solve end-user computer system problems while working independently in a lab environment. * Proficiency in basic software practices such as coding standards, unit testing, and configuration management * Strong ability to analyze, debug, and maintain the integrity of an existing code base * Experience designing and delivering training workshops, tutorials, or onboarding material for HPC users and internal staff Desired Skills: * Experience mentoring junior engineers or scientists, providing technical guidance, and conducting code review sessions * Revision contr ol software (CVS, SVN, Git) * Build/install tools (e.g. CMake, Makefile, autoconf) * Experience with Python and Perl * GPU programming experience (e.g., CUDA, OpenCL) * Agile process and JIRA * AI/ML/Neural Networks experience * Good organization skills to balance and prioritize work * Superior programming skills and excellent attention to detail * Strong communication skills a results-oriented team player, creative thinker, and problem-solver Essential Requirements: US Citizenship is required. In compliance with Colorado's Equal Pay for Equal Work Act, the annual base salary range for this position is listed . Please note that the salary information is a general guideline only. I2X Technologies considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer. Physical Demands: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation. While performing the duties of this job, the employee will regularly sit, walk, stand and climb stairs and steps. May require walking long distance from parking to work station. Occasionally, movement that requires twisting at the neck and/or trunk more than the average person, squatting/ stooping/kneeling, reaching above the head, and forward motion will be required. The employee will continuously be required to repeat the same hand, arm, or finger motion many times. Manual and finger dexterity are essential to this position. Specific vision abilities required by this job include close, distance, depth perception and telling differences among colors. The employee must be able to communicate through speech with clients and public. Hearing requirements include conversation in both quiet and noisy environments. Lifting may require floor to waist, waist to shoulder, or shoulder to overhead movement of up to 20 pounds. This position demands tolerance for various levels of mental stress. I2X Technologies is an Engineering and Information Technology Company focused on providing Services to the Federal and State Government. I2X offers a competitive compensation program and comprehensive benefits package to our employees.