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Sandia National Laboratories Logo Sandia National Laboratories · IT - Software Development

Senior/Principal R&D Systems Engineer - Nuclear Safety Assessment Engineer

United States, Albuquerque 117500.00 - 235700.00 USD / Year · Job Posted May 05, 2026
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Job Description

We are seeking a dedicated R&D Systems Engineer with nuclear weapons experience to play a crucial role in assessing both conceptual and realized design details across various engineering domains in support of nuclear safety principles. In this position, you will conduct thorough analyses of component responses under normal and abnormal environments, ensuring that all systems work together effectively to uphold the highest standards of safety and reliability. You will partner with Assessment Teams, Significant Finding Investigation committees, and Red Teams, to perform comprehensive nuclear safety analyses that support stockpile sustainment and development activities, such as the State of the Stockpile and Annual Assessments. Your ability to communicate assessment findings effectively will be vital, as you will prepare technical reports and presentations for a diverse audience, ranging from staff engineers to executive leadership. Your contributions will directly inform risk-informed decision-making processes that impact the future of nuclear safety. Successful candidates must obtain certification with NNSA's Nuclear Explosive Safety (NES) Study Group (NESSG) through a blend of experience, classroom training and on-the-job mentoring. This is a minimum five-year commitment; up to two years of training followed by three years as a certified NESSG member and will require up to 12 weeks of travel a year to Amarillo, TX.

Job Responsibility

  • Independently review detailed technical documents and identify nuclear safety-relevant issues
  • Engage with weapon system, component design, assurance, and other surety organizations to gather information and align requirements
  • Maintain awareness of design, development, production, maintenance, and dismantlement activities that affect weapon-system safety
  • Assess tests, materials, and components for adequacy against requirements
  • Evaluate procedures, product specifications, and standards for compliance
  • Lead independent safety assessments of nuclear weapon systems and components, analyzing responses under thermal, shock, vibration, and EMI/EMC environments
  • Define problem scope and requirements, develop technical approaches, and apply quantitative and qualitative methods (e.g., fault-tree, FMEA, margin quantification)
  • Design experiments or simulations to evaluate safety-critical subsystems, collaborating with system and test engineers to verify requirements
  • Develop analytical frameworks and digital models to support risk-informed decisions
  • Mentor junior engineers in safety-analysis techniques and review their deliverables for technical accuracy
  • Communicate findings in technical reports and executive-level briefs that directly inform leadership decisions and stockpile assessment reviews

Requirements

  • A Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
  • Active DOE Q clearance or equivalent as well as ability to obtain higher clearances which may require a polygraph test.

Nice to have

  • Graduate degree in Engineering or a highly related field where an independent research project was a graduation requirement (e.g., independent project, thesis, or dissertation)
  • Experience working with Nuclear Security Enterprise (NSE) laboratories and plants including Pantex, Kansas City National Security Campus (KCNSC), Lawrence Livermore Laboratory (LLNL) and Kansas City National Security Campus/New Mexico Operations (KCNSC/NMO)
  • Experience working on engineering design, qualification, production, or related modeling/simulation projects
  • Strong verbal and written communication skills, including the ability to work effectively in multidisciplinary teams
  • Ability to obtain certification for NNSA's Nuclear Explosive Safety (NES) Study Group (NESSG) through a combination of classroom and on-the-job training
  • High proficiency in foundational science and engineering principles, including safety-analysis methods such as fault-tree analysis, failure modes and effects analysis (FMEA), and margin quantification
  • Experience with systems engineering for nuclear or high-consequence weapons systems, including applying system-of-systems thinking to ensure end-to-end functionality
  • Proven ability to lead complex technical projects on schedule, mentor team members, and deliver high-quality products, with demonstrated leadership experience as a project manager, technical lead, principal investigator, or similar role
  • Understanding of nuclear surety and reliability requirements, including familiarity with nuclear weapon safety standards, related DOE orders (e.g. DOE O 452), and the SNL nuclear weapon product realization process
  • Excellent technical writing and executive presentation skills
  • Strong interpersonal skills with the ability to lead difficult conversations
  • Proven ability to work on challenging engineering problems in a fast-paced, collaborative team environment requiring extensive cross-organizational teamwork.

What we offer

  • Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
  • Extraordinary co-workers
  • Some of the best tools, equipment, and research facilities in the world
  • Career advancement and enrichment opportunities
  • Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
  • Generous vacation
  • strong medical and other benefits
  • competitive 401k
  • learning opportunities
  • relocation assistance
  • amenities aimed at creating a solid work/life balance
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