NDSE Diagnostics Scientist; Senior Scientist

Join to apply for the NDSE Diagnostics Scientist (Senior Scientist) role at Nevada National Security Sites
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Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA). Our mission is to help ensure the security of the United States and its allies by providing high‑hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services, and by acting as environmental stewards to the Site’s Cold War legacy.

Our vision is to be the user site of choice for large‑scale, high‑hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air.

MSTS offers competitive salaries and benefits packages for full‑time employees, including medical, dental, and vision insurance; a pension and a 401(k); paid time off and 96 hours of paid holidays; relocation assistance (for locations more than 75 miles from the work site); tuition assistance and reimbursement; and other benefits.

• Work as a member of a small team supporting engineers, scientists, and technicians in operating, maintaining, and testing complex pulse power systems, including discrete diagnostic systems.
• Support DPF operations in North Las Vegas and Area 11.
• Field pulsed power diagnostics and analyze data to inform DPF performance models.
• Maintain pulsed power diagnostics systems and timing and firing systems.
• Develop and maintain technical drawings and procedures associated with the DPF machine and its diagnostic and control systems.
• Measure neutron yield associated with DPF execution.
• Analyze neutron yield data associated with DPF execution.
• May support tritium delivery and recovery systems associated with the ZEUS DPF machines.
• May support tritium operations associated with ZEUS DPF experiments.
• Support radiation detection aspects for the NDSE mission.
• Identify opportunities to increase efficiency of DPF operations.
• Support contracts for DPF activities (private sector, DOD, etc.).
• Engage with the plasma physics and pulsed power R&D communities at NNSS, partner labs, and other outside organizations.
• Conduct research, data compilation, and data analysis associated with DPF experiments.
• Serve as a tritium‑specific SME to the DPF team and management.
• Coach and mentor new and less experienced scientists, engineers, and technicians.
• Develop and maintain DPF machine and operations documentation such as procedures and system drawings.
• Review project design and technical documents.
• Prepare technical and non‑technical reports, procedures, and plans associated with DPF experiment operations.
• Perform other duties as assigned.

• Bachelor’s in a calculus‑based technical (STEM) field plus at least 5 years of relevant experience. Skill building experience must demonstrate either deeper technical specialization or additional cross‑disciplinary knowledge. Graduate research experience may be recognized.
• Experience with radiological and/or chemical environments preferred.
• Experience working in fume hood and/or glove box environments preferred.
• Experience working with unsealed radiological materials preferred.
• Experience working with radiation detection systems and equipment preferred.
• Fundamental understanding of metal hydrides preferred.
• Fundamental understanding of modeling capabilities to be used for DPF applications.
• Experience with one or more computing programming languages or mathematical computing software packages.
• Strong written and oral communication skills and the ability to work on complex applied projects in a group atmosphere.
• Ability to interface effectively with technical personnel and management from other NNSS organizations, outside organizations, and government agencies.
• Must possess planning and organizing skills and initiative.
• Must be able to employ independent judgment and apply professional knowledge to ensure that assignments are completed efficiently, accurately, and on time.
• The primary work location will be at the Nevada National Security Site (located 90 miles northwest of Las Vegas, Nevada),…