Staff Manufacturing Engineer, DFM — Nuclear Assemblies

Radiant; El Segundo (CA); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

Stock options

Medical coverage

8 weeks parental leave

Onsite meals

Nuclear Engineering Certificate

Flexible PTO

Team events

Job summary

Radiant is seeking a Staff Manufacturing Engineer to transition Kaleidos into a scalable production system at our El Segundo, CA headquarters. You will own manufacturing processes for critical reactor hardware, work with design and quality teams, and drive manufacturability, tooling, and supplier maturity to enable repeatable, safe production.

The role is hands-on, requires on-site presence, and emphasizes DFMA, process qualification, and cross-functional collaboration to deliver reliable,

Qualifications

• Bachelor's degree in mechanical/related field.
• 8+ years in manufacturing complex hardware.
• Experience with DFM/DFA in production.
• Ability to own manufacturing processes from development to production.
• Strong GD&T, inspection planning, and tooling expertise.
• Hands-on experience with technicians and machinists.

Responsibilities

• Own manufacturing and inspection processes for critical Kaleidos components through fabrication and final acceptance.
• Drive DFM/DFA with design engineers to reduce mass, parts, and complexity.
• Evaluate manufacturability, tolerance stack-up, tooling access, and assembly sequence.
• Develop, document, and improve manufacturing processes for complex hardware.
• Translate drawings, CAD models, specs into production plans and controls.
• Define fabrication/assembly approaches, including make-vs-buy decisions.
• Design and develop production tooling, fixtures, and lifting equipment.
• Collaborate with Quality and Test to resolve issues and implement improvements.
• Investigate defects with root-cause analysis and implement corrective actions.
• Identify and qualification suppliers for critical components and processes.

Skills

DFM/DFA

Root-cause analysis

GD&T

Machining know-how

Inspection planning

Manufacturing processes

Hands-on fabrication

Cross-functional collaboration

Education

Bachelor's in mechanical engineering

Tools

SolidWorks

Creo

Job description

Radiant is seeking a Staff Manufacturing Engineer to transition Kaleidos into a scalable production system at our El Segundo, CA headquarters. You will own manufacturing processes for critical reactor hardware, work with design and quality teams, and drive manufacturability, tooling, and supplier maturity to enable repeatable, safe production.

The role is hands-on, requires on-site presence, and emphasizes DFMA, process qualification, and cross-functional collaboration to deliver reliable,