Mechanical Design Engineer - Advanced Nuclear Power Systems

Benefits: 401(k) 401(k) matching Competitive salary Dental insurance Free uniforms Health insurance Opportunity for advancement Paid time off Vision insurance Wellness resources Donation matching Employee discounts About Us We are an innovative new venture focused on advanced micro nuclear power system for power generation to deliver safe, clean, and renewable power for the future. Our mission is to accelerate the transition to sustainable energy through advanced nuclear technology that is scalable, efficient, and reliable. As we expand, we are seeking passionate engineers to help design the next generation of thermal and power generation systems. Position Summary We are seeking a Mechanical Design Engineer to join our engineering team. This role focuses on detailed mechanical design, packaging, and integration of power and thermal systems within a multidisciplinary engineering team. The ideal candidate has experience designing complex hardware , including rotating equipment, pressure vessels, piping systems, and thermal-mechanical components, and is comfortable working within collaborative, performance-driven environments. Key Responsibilities Perform detailed clean sheet mechanical design of power system hardware, including: Structural components and system packaging Piping, manifolds, and process flow layouts Pressure vessels, recuperators and heat exchangers Create and maintain high-quality 3D CAD models and production drawings , applying proper GD&T in accordance with aerospace standards. Support integration of mechanical designs with: Thermal engineering (heat transfer, cooling paths, transient conditions) Controls and instrumentation (valves, actuators, sensors, interfaces) Systems engineering requirements and configuration management Design and support rotating equipment and power-generation components , including pumps, turbines, compressors, and auxiliary drives. Assist with vendor technical coordination , including: Preparing technical specifications and statements of work Supporting supplier evaluations and component down-selection Assisting with vendor qualification and first article development Reviewing vendor drawings and data packages Apply additive manufacturing (DED, LPBF) where appropriate for complex geometries, particularly advanced heat exchangers and integrated thermal-structural components. Support material selection for high-temperature and high-reliability applications, considering strength, fatigue, creep, corrosion, and manufacturability. Perform basic to intermediate stress and thermal-mechanical analyses to support design decisions and margin assessments. Support hardware build, test rig, and design iteration activities, incorporating test feedback into updated designs. Develop specifications and standard work requirements based on top level system objectives. Required Qualifications Bachelor’s degree in Mechanical Engineering or related discipline 5+ years of experience in mechanical design within aerospace, defense, energy, or similarly regulated industries Proficiency with 3D CAD tools (e.g., NX, Creo, CATIA, SolidWorks) Strong knowledge of GD&T and aerospace drawing standards Experience with: Rotating machinery and power systems Pressure vessels, boilers, and heat exchangers Piping systems, P&IDs, and process flow diagrams Ability to collaborate effectively within multidisciplinary engineering teams Preferred / Plus Qualifications Experience with aerospace, power systems , or advanced energy systems Experience with metal additive manufacturing and design-for-AM principles Experience with ASME BPVC, aerospace structural standards, or high-reliability design practices Experience designing for extreme environments (high temperature, vacuum, radiation, or long-life systems) Core Competencies Detail-oriented mechanical design and documentation Strong understanding of strength of materials and mechanical fundamentals Ability to translate system requirements into manufacturable hardware Clear technical communication and documentation skills What We Offer Competitive salary Comprehensive benefits package including healthcare, dental, vision, STD, LTD, Life/AD&D and 401(k). Opportunity to pioneer advanced nuclear fuel technologies driving the next generation of clean energy. Collaborative, mission-driven environment that fosters technical excellence and innovation. Career advancement potential as AMPERA expands its fuel development and reactor manufacturing programs. #J-18808-Ljbffr AMPERA INC