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R&D S&E Mechanical Engineer

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Sandia National Laboratories

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Location:
United States , Livermore

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Category:
Research and Development

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Contract Type:
Not provided

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Salary:

121900.00 - 237800.00 USD / Year
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Job Description:

The Advanced and Exploratory Systems Engineering Demonstrators team is at the forefront of nuclear deterrence, driving technology acceleration and exploring the art of the possible. A&E Demonstrators is seeking an R&D Mechanical Engineer to lead weapon system demonstration efforts, where innovation meets ambition. Our team specializes in building advanced reentry system flight test vehicles and ground demonstrators which implement future concepts on nuclear warhead design. Your technical expertise and passion for accelerated engineering success will be instrumental in exploring new possibilities and driving groundbreaking advancements. You will collaborate with industry and the production agencies to develop prototypes for test and explore how to improve manufacturing of hardware. Join us in this exciting journey to redefine the future of weapon systems and make a significant impact in the field. Together, we can achieve extraordinary results and shape the next generation warhead design!

Job Responsibility:

  • Collaborate with our industry partner to organize and scope plans for hardware-in-the-loop testing, proto-qual testing, and flight testing
  • Contribute to the design, build, and test of an advanced reentry system warhead demonstrator
  • Evaluate future warhead requirements for technology maturation
  • Perform studies and assessments of future warhead requirements
  • Collaborate with mod/sim to gather data sets to advance new capabilities
  • Identify key knowledge gaps to explore and test
  • Collaborate with others in mechanical design and production

Requirements:

  • A bachelor's degree in a relevant discipline, 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 to start
  • Graduate degree in Mechanical Engineering or a highly related field where an independent research project was a graduation requirement (e.g., independent project, thesis, or dissertation)
  • Experience with mechanical engineering and product realization in the NNSA complex
  • Strong verbal and written communication skills, ability to work effectively in multidisciplinary teams
  • Demonstrated experience in one or more of the following areas: Design and test of weapon electrical systems or subsystems
  • Defining model-based mechanical systems and implementing them in CAMEO or similar tools
  • Proficiency in a CAD tool (Creo or SolidWorks)
  • Defining requirements for mechanical systems in collaboration with component teams
  • Experience with nuclear weapon reliability, safety, or surety, and the ability to synthesize military requirements into innovative solutions
  • Proven technical background with experience in one or more of the following areas: Testing and debugging complex electrical systems in a lab environment using tools such as oscilloscopes and spectrum analyzers
  • Cable design, manufacturing, and fabrication
  • Product realization experience
  • Experience with instrumentation, data collection, processing and analysis
  • Thermal or structural modelling and simulation
  • Geometric Dimensioning and Tolerancing (GD&T)
  • Hands-on testing and debugging complex systems in a lab/test facility environment(s)
  • Optimization methods and processes, trade space analysis, and decision-making tools
  • Model Based Systems Engineering (MBSE)
  • Demonstrated qualities: Independent resourcefulness in developing new ideas or programs
  • Ability to conduct engineering work within a systems context
  • Success in navigating requirements ambiguity
  • Background in nuclear weapons across the lifecycle with big ideas on how to shape the future of weapon design
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 and amenities aimed at creating a solid work/life balance

Additional Information:

Job Posted:
February 08, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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