Senior Mechanical Engineer

3 weeks ago


Idaho Falls, United States Epoch Biodesign Full time

About Aalo Atomics Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to make nuclear energy globally accessible, starting with the Aalo-1, a 10 MWe reactor leveraging cutting‑edge safety, modularity, and efficiency. Based in Austin, TX, we’re rapidly growing as we work to deploy the world’s first fleet of advanced microreactors. Join us and help revolutionize energy for a sustainable future. Position Overview We are seeking a Senior Engineer with expertise in Structural and Stress Analysis to join our dynamic team. This role involves performing mechanical analyses of reactor components, ensuring structural integrity under various operating conditions, and contributing to the design of our innovative reactor systems. What you’ll do The Senior Mechanical Engineer – Thermal/Structural Analysis will lead advanced analyses for reactor systems, focusing on FEA, CFD, and ASME Section III compliance. This role ensures mechanical integrity, structural stability, adequate performance, and design safety across key reactor components. Responsibilities Lead detailed structural analysis and identify failure modes of reactor components and systems (stress, fatigue, creep, seismic, and coupled thermal‑and fluid‑structural behavior). Develop and validate FEA and CFD models to support design, performance, and safety decisions. Conduct ASME Section III mechanical design and pressure‑boundary analyses. Collaborate with design, manufacturing, and licensing teams to optimize designs for performance, safety, manufacturability, and cost. Support test plan development, data analysis, and design verification. Mentor junior engineers and contribute to developing internal analysis standards. Document and communicate analytical results for regulatory/licensing submissions and internal records. Support verification and validation (V&V) efforts in accordance with software quality Qualifications B.S. or M.S. in Mechanical, Structural, or Nuclear Engineering. 10+ years experience in structural and thermal analysis of complex systems (nuclear, aerospace, or similar). Expertise with FEA tools (ANSYS, Nastran, Abaqus) Strong knowledge of ASME Section III and related nuclear design codes. Understanding of materials behavior in high‑temperature and radiation environments. Proven communication and leadership skills; experience mentoring other engineers. Preferred Qualifications Experience with sodium‑cooled or advanced reactor systems. Familiarity with CFD tools (Fluent, STAR‑CCM+, etc.) Familiarity with NRC licensing processes and QA/QC standards. Background in modular manufacturing or pressure‑boundary component design. Proficiency with Siemens NX / Simcenter 3D or similar integrated modeling environments. Why Join Aalo Atomics? Be part of a mission‑driven team aiming to redefine the future of clean energy. Work on cutting‑edge technology with the potential for global impact. Competitive compensation package, including equity options. Opportunities for professional growth and advancement in a rapidly scaling company. #J-18808-Ljbffr



  • Idaho Falls, United States Aalo Atomics Full time

    About Aalo AtomicsAalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to make nuclear energy globally accessible, starting with the Aalo-1, a 10 MWe reactor leveraging cutting-edge safety, modularity, and efficiency. Based in Austin,...

  • Mechanical Engineer

    1 week ago


    Idaho Falls, United States Navarro Inc. Full time

    Navarro Research and Engineering is recruiting Mechanical Engineer - Structural Mechanics (3667) in Idaho Falls, ID.Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with clients to advance clean energy and deliver effective solutions for complex challenges in the nuclear and environmental fields. Joining Navarro...


  • Great Falls, United States THOMAS DEAN & HOSKINS INC Full time

    Applications are accepted online and require an uploaded resume and cover letter. Any questions about the hiring process can be directed to TD&H Corporate at (406) 761-3010We are seeking a full-time Senior Mechanical Engineer to join our team. This is an excellent opportunity to be part of a dynamic, energetic, and rewarding work environment. Established in...


  • Sioux Falls, United States Dunham Associates, Inc. Full time

    Senior Mechanical Engineer/Designer Sioux Falls, SD Dunham currently has an opening for a Senior Mechanical Engineer/Designer in our Sioux Falls, South Dakota office. If you are interested in this position, please submit your resume online, or send it directly to resumes@dunhameng.com. We Are Looking For Two or four-year graduate of a technical school or...


  • Delphi Falls, United States Saab Full time

    Job Description:Bring your innovation to the frontlines at Saab, Inc.’s Surveillance Systems division in East Syracuse, NY. This Senior Mechanical Engineer role offers a unique opportunity to develop the next-generation, truck-mounted ground-based radar system. Working in parallel with design and manufacturing, this hands-on role will be building and...

  • Mechanical Engineer

    2 days ago


    Idaho Falls, United States Amentum Full time

    The Mechanical Engineer is an engineer with strong mechanical background. Ideal candidate would have experience writing proposals, writing change orders, interpreting building codes, etc. You will act as a primary interface between design engineers, field personnel, and the client to ensure proper project execution on the Spent Fuel Handling Project. You...


  • Idaho Falls, Idaho, United States Aalo Atomics Full time

    About Aalo AtomicsAalo Atomics is on a mission to revolutionize clean energy through cutting-edge nuclear technology. We are passionate about innovation, safety, and sustainability, and we are looking for talented individuals to join us in reshaping the future of energy. As part of our team, you'll have the opportunity to work on impactful projects that...

  • Mechanical Engineer

    2 weeks ago


    Sioux Falls, United States Kosmos Full time $100,000 - $150,000

    Growing Manufacturing firm in Butte, MT has a need for a Mechanical Engineer. This is a direct hire role with a full benefits package and relocation. The design work/scope required by this Senior Mechanical Engineering position encompasses the development of complete product designs and/or individual components. Expectations for the Senior Mechanical...


  • Sioux Falls, United States Dunhameng Full time

    Dunham currently has an opening for a Senior Mechanical Engineer/Designer in our Sioux Falls, South Dakota office. If you are interested in this position, please submit your resume here, or send it directly toresumes@dunhameng.com .We are looking for:Two or four-year graduate of tech school or college15+ years of experience in the design of HVAC systems for...


  • Seneca Falls, United States Xylem Full time

    Senior Mechanical EngineerXylem is a Fortune 500 global water solutions company dedicated to advancing sustainable impact and empowering the people who make water work every day. As a leading water technology company with 23,000 employees operating in over 150 countries, Xylem is at the forefront of addressing the world's most critical water challenges. We...