Senior Metallurgist / Welding Inspector
$40 - $60 per hourmicro1
Pay: $40 - $60/hour
Required Skills
Metallographic Microstructure Evaluation
Heat Treatment Acceptance (AMS 2750
ASTM E112)
Weld Macro Etch & CWI Acceptance
Coating Inspection (NACE/AMPP
SSPC)
Additive Manufacturing (LPBF) Defect Disposition
About micro1
micro1 is a data lab that helps AI labs & Enterprises train foundational models and agents. We provide frontier evaluations and reinforcement learning environments to improve LLM capabilities, as well as contextual evaluations to monitor and improve AI agents in enterprise settings.
Our AI recruiting agent sources and vets domain experts for our data platform that enables rapid production of high-quality training data. Our research spans high-value, specialized domains (legal, medical, finance, coding, etc.), where expert-level data is the hardest to produce and most valuable for advanced model performance. Our pipeline performance system ensures both quality and velocity.
Role Title: Senior Metallurgist / Welding Inspector
Pay: $40–$60/hour
Location: Global, fully remote
Job Type: Contractor (~10 hours per week)
Schedule: Flexible—you can choose the hours and days you work, including weekends if desired as long as you're active
micro1 is engaging expert Senior Metallurgists and Welding Inspectors to participate in a high-impact project for a customer in advanced manufacturing and materials engineering. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
Scope of Work
Evaluate and interpret metallographic microstructures to determine material acceptability and conformance to standards.
Conduct heat treatment process analysis and acceptance reviews in accordance with AMS 2750, ASTM E112, and related US specifications.
Perform coating inspection tasks aligned with NACE/AMPP and SSPC protocols, ensuring surface integrity and protection requirements are met.
Review and disposition additive manufacturing (LPBF) defects based on detailed build and cross-sectional data.
Reference and apply NADCAP, AWS, ASTM, and AMS standards to a variety of metal samples, weldments, coatings, and AM builds.
Preferred Qualifications
At least 8 years of hands-on experience making high-stakes accept/reject calls on micrographs, weld macros, fracture surfaces, coatings, or LPBF additive builds.
Advanced knowledge of US and international standards including ASTM, AMS, AWS, NADCAP, NACE/AMPP, and SSPC.
Current or prior AWS Certified Welding Inspector (CWI) credentials, or equivalent metallurgical certification.
Familiarity with additive manufacturing processes, especially laser powder bed fusion (LPBF) and associated defect mechanisms.
Process
Apply to the role and complete the screening questions.
Complete an AI interview of approximately 20-30 minutes.
Complete the hiring manager review.
Start Timeline & Availability
We typically fill roles within 48 hours and are looking for experts who are ready to begin immediately. If selected, you will be expected to start your first task within 24–48 hours of completing onboarding.
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