Senior Metallurgist / Welding Inspector

HumanitApp; United States; Remote; USD 68,000 - 97,000; Part time

Job summary

HumanitApp is seeking a Senior Metallurgist / Welding Inspector for a remote contractor role focused on high‑stakes metallurgical evaluation and QA for AI training data.

You will interpret microstructures, review heat treatment per AMS 2750, inspect welds and coatings, and assess LPBF defects, while clearly documenting decisions for downstream AI use.

Qualifications

• Must have hands-on experience evaluating microstructures, welds, coatings, and LPBF builds.
• Experience applying NADCAP, AWS, ASTM and AMS standards in industrial settings.
• Strong written and verbal communication with ability to document decisions for AI training.

Responsibilities

• Evaluate microstructures to determine material acceptability per standards.
• Analyze heat treatment per AMS 2750 and ASTM E112 for acceptance.
• Assess weld quality with macro etch and CWI criteria; apply findings to cases.

Skills

Metallurgy expertise

Weld inspection

LPBF additive

Coatings inspection

Microstructure analysis

Technical writing

Remote collaboration

Education

AWS CWI certification

Metallurgy/Materials engineering degree

Tools

NACE/AMPP SSPC knowledge

AMS 2750 compliance

ASME/ASTM standards familiarity

Job description

Future projects, not immediate vacancies. Check each network's country and experience requirements.

Role Title: Senior Metallurgist / Welding Inspector

Role Type: Contractor

Location: Remote (US based preferred)

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.
• Assess weld quality through macro etch evaluation and apply CWI acceptance criteria to real-world case studies.
• 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.
• Provide clear, well-documented written and verbal feedback on accept/reject decisions, supporting data-driven insights for AI model training.
• Reference and apply NADCAP, AWS, ASTM, and AMS standards to a variety of metal samples, weldments, coatings, and AM builds.

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

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.
• Proven experience in metallographic analysis, heat treatment evaluation, weld inspection, and industrial coating assessment.
• Familiarity with additive manufacturing processes, especially laser powder bed fusion (LPBF) and associated defect mechanisms.
• Exceptional written and verbal communication skills, with a keen eye for detail and the ability to explain technical reasoning clearly.
• Experience in remote or digital project collaboration, with strong self-direction and accountability for deliverables.

Compensation context

The listing states $60/hour. Confirm the final rate, workload, and payment terms during the official application process.

• Review the official description below for experience and equipment requirements.
• Confirm location eligibility, language requirements and weekly availability with the partner.

Remote - location not specified · Contract