Senior CNC Machinist

Requirements

• Experience & Education: Minimum 8+ years of hands-on mechanical fabrication and precision machining experience , with at least 3 years at a lead or senior level in a high-growth, high-urgency environment . Formal apprenticeship or Machinist Certification highly preferred
• Technical Expertise: Deep proficiency in CNC programming (G-code and CAM software), advanced shop mathematics, and complex blueprint reading (including GD&T)
• Prototyping Skill: Proven ability to turn concepts into tested prototypes quickly , managing complex fabrication projects from concept to reality with minimal oversight
• Communication: Exceptional communication and collaboration skills , especially when interfacing with engineers and cross-functional teams on urgent technical challenges
• Drive: A bias toward action , creative problem solving, and the drive to own complex fabrication problems end-to-end in a fast-paced environment
• Advanced CAD/CAM proficiency is required
• Experience advising on material science, machinability, and tool selection for specialized alloys is a plus
• Knowledge of specialized welding (TIG/MIG) is a significant asset
• Previous experience as a Machine Shop Supervisor or Lead CNC Machinist is preferred

Additional Information

Last Energy is a pioneering US technology company deploying next-generation modular nuclear power plants. We are seeking a highly skilled and results-driven Senior CNC Machinist to serve as a technical expert within our R&D team. This role requires an experienced builder and doer to operate autonomously, taking ownership of complex part fabrication critical to our fleet-wide product. Your work will directly support high-throughput manufacturing and rapid deployment strategies, demanding speed, ingenuity, and accountability. Last Energy provides decarbonized, reliable, affordable nuclear energy at scale by innovating on the delivery model, not the reactor. By significantly reducing the time and cost of deployment, we are decarbonizing global energy production, increasing access to 24/7 baseload power, and creating a scalable clean energy future for humanity.

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