Mechanical / Structural Certifications: ICC Structural Steel and Bolting Special Inspector (S1), AWS Certified Weld Inspector (CWI) or formal non-destructive examination (NDE) training, NACE / AMPP Coating Inspector Certification (Level 1+), ASQ Certified Quality Inspector (CQI), or Lean Six Sigma Yellow or Green Belt. Incoming Quality Control (IQC): Inspect raw materials, structural steel, and sub-assemblies upon arrival against purchase orders, engineering specs, drawings, supplier CoCs (Certificate of Compliance), and supplier OQC reports to prevent non-conforming materials from entering production.