About this opportunity
Confidential lists this Senior Metallurgist / Welding Inspector opportunity in Marin County, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Role Overview
Apply advanced metallurgy and welding inspection expertise to help train next-generation AI systems using high-quality, real-world manufacturing and materials engineering input. This remote contract role focuses on expert technical judgment, clear accept or reject decisions, and well-supported feedback. No prior AI experience is required.
Key Responsibilities
Evaluate metallographic microstructures for material acceptability and standards conformance.
Analyze heat treatment processes and conduct acceptance reviews under AMS 2750, ASTM E112, and related U.S. specifications.
Assess weld quality through macro etch evaluation and CWI acceptance criteria using real-world case studies.
Perform coating inspections in accordance with NACE/AMPP and SSPC protocols, including surface integrity and protection requirements.
Review and disposition laser powder bed fusion, LPBF, additive manufacturing defects using build and cross-sectional data.
Document and communicate accept or reject decisions clearly in writing and verbally to support data-driven AI training.
Apply NADCAP, AWS, ASTM, and AMS standards across metal samples, weldments, coatings, and additive manufacturing builds.
Qualifications
At least 8 years of hands-on experience making high-stakes accept or reject decisions involving micrographs, weld macros, fracture surfaces, coatings, or LPBF additive builds.
Expert knowledge of ASTM, AMS, AWS, NADCAP, NACE/AMPP, and SSPC standards, including U.S. and international requirements.
Current or previous AWS Certified Welding Inspector, CWI, credential or an equivalent metallurgical certification.
Demonstrated experience in metallographic analysis, heat treatment evaluation, weld inspection, and industrial coating assessment.
Familiarity with additive manufacturing, particularly LPBF processes and related defect mechanisms.
Excellent written and verbal communication skills, strong attention to detail, and the ability to explain technical reasoning clearly.
Experience collaborating remotely or digitally, with strong self-direction and accountability for deliverables.
Work Terms
Remote contract engagement.
U.S.-based candidates are preferred.
Compensation
$60 per hour.
Application Process
Submit an application through the available application options. By continuing, candidates acknowledge and agree to the applicable candidate terms and privacy policy.
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.