Senior Heat Treat Engineer – Aerospace Additive

Relativity Space; Long Beach (CA); On-site; USD 132,000 - 198,000; Full time

Job summary

Relativity Space is seeking a Senior Heat Treat Process Engineer to own and optimize heat treatment for additively manufactured parts and welded assemblies on the factory floor.

You will lead process development, set SOPs, validate recipes (solution annealing, aging, HIP), and drive continuous improvements with cross-functional teams to meet aerospace quality standards (AMS2774, AMS2750) in a fast-paced environment.

Qualifications

• Bachelor’s degree in Materials Science Engineering, Mechanical Engineering, or Manufacturing Engineering.
• 5–7+ years of heat treatment experience in aerospace manufacturing with NADCAP/AS9100.
• Deep knowledge of heat treatment for nickel-based superalloys and related processes.
• Experience with aerospace heat treatment specs and L-PBF AM considerations.

Responsibilities

• Own heat treatment processes for L-PBF Inconel 718 parts and welded assemblies.
• Develop and validate heat treatment recipes (solution annealing, aging, HIP) with material testing.
• Write and maintain process specs and SOPs in NADCAP/AS9100 compliance.
• Lead root cause analysis for thermal processing non-conformances and implement CAPAs.
• Train technicians and collaborate with materials, quality, and manufacturing teams.

Skills

Heat treatment processes

Vacuum furnace operations

Technical writing

Cross-functional collaboration

Process validation

Education

Bachelor’s degree in Materials Science Engineering

Bachelor’s degree in Mechanical or Manufacturing Engineering

Tools

Vacuum furnace operations

Temperature uniformity surveys

AMS2774/AMS2750 knowledge

Job description

Relativity Space is seeking a Senior Heat Treat Process Engineer to own and optimize heat treatment for additively manufactured parts and welded assemblies on the factory floor.

You will lead process development, set SOPs, validate recipes (solution annealing, aging, HIP), and drive continuous improvements with cross-functional teams to meet aerospace quality standards (AMS2774, AMS2750) in a fast-paced environment.