Hiring: Senior HPC Engineer - Classified Environment Company: Oak Ridge National Laboratory Location: Oak Ridge, TN Job Posted Time: 2026-09-17 10:14:39 Employment Type: On-site Target Skills & Keywords : Ansible, Bash, Configuration Management, Credentialing, Git, HTML, Linux, Python, Secret Clearance, Systems Engineering About the job Required Skills: •The Field Intelligence Operations Division (FIOD) of the National Security Directorate (NSSD) is seeking a Senior High Performance Computing (HPC) Engineer for Classified Computing, where you will help shape advanced computing capabilities supporting some of the nation’s most important national security and scientific missions. •Lead the design, implementation, modernization, and operation of HPC environments built to solve complex computational challenges within highly secure classified environments. •Bring expertise in HPC architecture, cluster management, parallel computing, and performance optimization while helping evaluate and introduce emerging technologies that advance mission capabilities. •Work alongside a multidisciplinary team of HPC and systems engineers, cybersecurity professionals, scientists, researchers, and mission partners to develop computing solutions that deliver exceptional performance while meeting rigorous security and compliance requirements. •Join a collaborative team that values technical excellence, innovation, service, and shared success. Qualifications: •BS degree in computer science, engineering, or a related technical discipline and a minimum of eight years of relevant experience. An equivalent combination of education, experience, and certifications may be considered. •At least five years of hands-on HPC engineering experience involving cluster architecture, administration, performance optimization, or parallel computing. •Advanced Linux systems engineering experience with automation using Python, Bash, Ansible, or comparable technologies. •Demonstrated understanding of cybersecurity requirements applicable to classified or highly regulated computing environments, including NIST, RMF, and DISA STIGs. •Eligibility for access to Sensitive or Special Access Program information. •Current Top-Secret clearance with SCI eligibility. •Demonstrated ability to lead complex technical efforts, influence architecture, and mentor other engineers while remaining hands-on. •Strong analytical, troubleshooting, communication, and collaboration skills. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!