Senior Nuclear Engineer - NDSE

Senior Nuclear Engineer - NDSE

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 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.

Pay Range: $99,340.80/yr - $/yr (based on skills and experience). Additional details such as benefits, relocation assistance, tuition reimbursement, etc., are provided by the recruiter.

• Collaborate with internal and external organizations to field and characterize the Dense Plasma Focus (DPF) machine in Area 11 for installation at the PULSE facility.
• Work within a multidisciplinary team of engineers, physicists, and technologists to install and operate ZEUS and potentially Scorpius, along with pulsed power diagnostics and detector systems at the PULSE facility.
• Coordinate with scientists and engineers from the NNSS, SNL, LLNL, and LANL to ensure readiness of ZEUS operations, from testing and characterization to delivery, installation, and maintenance.
• Provide technical direction for testing and characterization of pulsed power neutron generator systems and machine diagnostics for the DPF machines in North Las Vegas and at PULSE.
• Support and develop electrical systems for radiation detection equipment and timing/triggering systems in support of ZEUS and subcritical experiments.
• Develop system documentation, testing procedures, and integration drawings.
• Analyze data, document results, and contribute to technical proposals and reports.
• Serve as an internal subject‑matter expert and maintain recognized expertise among colleagues.

• Bachelor’s degree in Mechanical or Electrical engineering (ABET accredited) or any calculus‑based STEM engineering degree;
  Professional Engineer license preferred; or equivalent experience (minimum 5 years).
• BS in calculus‑based STEM engineering with MS in Nuclear Engineering preferred.
• Competency in MCNP/SCALE/GEANT radiation transport codes and neutron activation analysis.
• Familiarity with gamma spectroscopy (HPGe) hardware/software and neutron detection techniques (He‑3, bubble, activation).
• Experience with scientific programming languages (C, Python, Fortran).
• Experience with pulsed power systems and embedded‑systems commissioning (preferred).
• Proficiency in testing and fielding electronic components, diagnostics, and measurement systems.
• Strong analytical, problem‑solving, and time‑management skills.
• Excellent verbal and written communication and teamwork abilities.
• Valid driver’s license; willingness to travel to the NNSS forward areas and occasional travel to New Mexico/California.
• Ability to work a 4/10 schedule, Monday‑Thursday, with travel as needed.
• Pre‑placement physical examination (including drug screen) required; compliance with DOE drug screening and background requirements.

Position will be cleared to DOE Q‑level. Applicants must be U.S. citizens, 18 years or older, and meet all DOE clearance requirements. Background investigations and drug testing will be conducted.

MSTS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, veteran status or other characteristics protected by law.