Weld Engineer II: Fusion Welding for Spaceflight

Segment (Twilio); Long Beach (CA); On-site; USD 104,000 - 156,000; Full time

Benefits offered by this job

Equity

PTO & sick leave

Parental leave

Learning stipend

Job summary

Relativity Space in Long Beach, CA is seeking a Weld Engineer to develop and optimize fusion welding processes for Terran R. You will work with design, manufacturing, materials and quality teams to rapidly resolve production welding challenges and ensure high‑quality outputs.

The role requires a BS in Materials Science or Mechanical Engineering and 3+ years of welding experience (GTAW, GMAW, OTW, laser). Candidates with welding engineering degrees and 2+ years of fusion welding are preferred.

Qualifications

• B.S. in Materials Science, Mechanical Engineering, or a related field.
• 3+ years of welding experience (GTAW, GMAW, OTW, laser Welding) with AWS/ASME specs.
• 3+ years in a high-paced production manufacturing environment.
• Hands-on with strong ownership mentality; curiosity and bias for action.
• Welding Engineering degree (B.S. or M.S.) is a plus.
• 2+ years of fusion welding experience – GTAW or laser welding preferred.

Responsibilities

• Collaborate with cross‑functional teams to develop and optimize fusion welding processes.
• Provide technical support for welding operations and troubleshoot production issues.
• Serve as the accountable weld engineer for stage hardware such as transfer tubes and heat shields.
• Ensure process quality control and implement corrective actions and improvements.

Skills

Welding

Ownership mindset

Hands-on approach

Education

B.S. in Materials Science or Mechanical Engineering

Tools

GTAW

GMAW

OTW

Laser welding

AWS/ASME specs

Job description

Relativity Space in Long Beach, CA is seeking a Weld Engineer to develop and optimize fusion welding processes for Terran R. You will work with design, manufacturing, materials and quality teams to rapidly resolve production welding challenges and ensure high‑quality outputs.

The role requires a BS in Materials Science or Mechanical Engineering and 3+ years of welding experience (GTAW, GMAW, OTW, laser). Candidates with welding engineering degrees and 2+ years of fusion welding are preferred.