Senior Manufacturing Engineer: Assembly & Nuclear Reactor

Antares; Los Angeles (CA); On-site; USD 112,000 - 185,000; Full time

Job summary

Antares is seeking a Manufacturing Engineer to lead the assembly of a full‑scale, full‑power reactor on‑site at Antares Prime. You will collaborate with design, quality, supply chain, and other teams to define build processes, procure tooling, and launch production of the R1 reactor.

You will own process development, tooling, BOMs, and manufacturing documentation, while mentoring engineers and enabling scalable production with rigorous quality controls.

Qualifications

• Bachelor’s degree in Mechanical, Manufacturing, Industrial, Aerospace, Nuclear, or a related engineering discipline.
• 2+ years of experience developing and implementing manufacturing processes for complex hardware.
• Proven experience taking hardware from engineering design through prototype, development, qualification, and production.
• Extensive experience creating manufacturing documentation, including work instructions, process specifications, assembly procedures, inspection plans, and test procedures.
• Strong understanding of GD&T, tolerance analysis, engineering drawings, and configuration management.
• Experience working directly with technicians, machinists, fabricators, inspectors, and production personnel.
• Proven ability to troubleshoot manufacturing problems on the floor and drive issues through root cause, corrective action, and process improvement.
• Strong understanding of DFM/DFA principles and the ability to effectively influence design decisions.
• Experience developing manufacturing tooling, fixtures, and specialized equipment.
• Ability to work effectively across engineering, manufacturing, quality, supply chain, test, and operations organizations.
• Strong technical communication skills and the ability to clearly document complex processes.
• Ability to operate independently in a fast‑paced, highly technical, and ambiguous environment, while maintaining exceptional attention to detail.
• Demonstrated ownership of large, technically complex projects with significant cross‑functional impact.

Responsibilities

• Own manufacturing process development for major reactor assemblies and subsystems from engineering release through build, inspection, test, and final integration.
• Develop detailed assembly and manufacturing process flows, including shop floor layouts.
• Partner closely with mechanical, electrical, nuclear, systems, materials, quality and test engineers to ensure designs are manufacturable, inspectable, and testable.
• Develop and mature tooling, fixtures, handling equipment, and specialized manufacturing equipment required to build reactor hardware.
• Establish robust processes for first‑of‑a‑kind hardware, balancing immediate prototype needs with the long‑term requirements of a scalable production system.
• Work directly with manufacturing technicians and operators on the floor to troubleshoot build issues, improve processes, and incorporate lessons learned.
• Develop and maintain manufacturing bills of material (mBOMs), process plans, and configuration‑controlled manufacturing documentation.
• Participate in manufacturing readiness reviews, design reviews, production readiness reviews, and hardware build reviews.
• Mentor junior and mid‑level manufacturing engineers and help establish a culture of technical rigor, ownership, and continuous improvement.

Skills

Manufacturing process development

DFM/DFA

Problem solving / root cause

Technical communication

Education

Bachelor's degree in Mechanical/Manufacturing/Aerospace/Nuclear engineering

Tools

ERP/MRP systems

PLM systems

Job description

Antares is seeking a Manufacturing Engineer to lead the assembly of a full‑scale, full‑power reactor on‑site at Antares Prime. You will collaborate with design, quality, supply chain, and other teams to define build processes, procure tooling, and launch production of the R1 reactor.

You will own process development, tooling, BOMs, and manufacturing documentation, while mentoring engineers and enabling scalable production with rigorous quality controls.