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Principal / Staff HPC Software Engineer

Remote, USA Full-time Posted 2025-11-02
Job description Overview: X-ScaleSolutions is a start-up based in Columbus, Ohio. We specialize in a range of high-performance and scalable solutions for current generation systems ranging from small deployments of a couple systems to multi-petaflop systems and the emerging Exascale systems. The mission of the company is to develop innovative and leading-edge software products, with a focus on five areas: 1) High-Performance Computing, 2) AI (Deep/Machine Learning), 3) Big Data, 4) Cloud Computing, and 5) HPC Security. Are you interested in working on state-of-the-art hardware, software and middleware? X-ScaleSolutions is looking for an enthusiastic Principal / Staff HPC Software Engineer with desired experience in High-Performance Computing (HPC), Message Passing Interface (MPI), network programming with modern HPC interconnects (InfiniBand, Omni-path, Slingshot, Ethernet/iWARP and RoCE), GPU/CUDA programming, and development of parallel applications on modern HPC systems (with CPUs and GPUs) to join our team. The MPI software engineer is expected to take a lead role in projects to design and develop production quality MPI code with novel features and associated parallel applications. Technical expertise required: • Strong experience in Linux • C programming • MPI Library (design and debugging) experience • Experience on HPC technologies and platforms • Parallel application designs and development on HPC systems The ideal candidate will have: • Multiple years of experience in HPC, MPI standard, multi-core processors, GPUs/accelerators. • Knowledge of InfiniBand, High Speed Ethernet, Slingshot, Omni-Path, or similar high-performance networking technologies. • Design and development of parallel applications on modern HPC systems with CPUs and GPUs • Familiar with the typical design cycle (design, develop, test, tune, release, bug fixes, etc.) for producing and maintaining high quality software and the associated tools • Demonstrate strong analytical, troubleshooting and problem-solving skills • Strong communication, organizational and customer service skills • The ability to work in a team setting • A background in computer science or computer engineering • Strong preference for PhD and experience with grant / SBIR writing This is a full-time position, though part-time candidates will be considered. Flexible schedule and remote position. Healthcare, retirement and PTO package provided. Must be currently eligible to work in the US. Job Type: Full-time Salary Range: $175,000 - $225,000/year depending on location and relevant experience. Experience: • High Performance Computing: 3 years (Required) • Message Passage Interface (MPI): 1 year (Required) • Parallel Application Design and Development: 1 year (Required) Work Location: Remote Job Types: Full-time, Part-time, Contract Pay: $175,000.00 - $225,000.00 per year Benefits: • 401(k) • 401(k) matching • Dental insurance • Flexible schedule • Health insurance • Life insurance • Paid time off • Professional development assistance • Referral program • Retirement plan • Vision insurance People with a criminal record are encouraged to apply Work Location: Remote Apply Job! Apply to this Job

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