Certified Weld Inspector
Posted Sep 13, 2026 · We last checked this listing on Sep 20, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
Behavioral
Tell me about a time you found a weld defect that others had missed. What was it, and how did you catch it?
actual hands-on inspection instinct versus book knowledge of defect types
Describe a nonconformance you documented from start to finish, including how you tracked the corrective action.
whether they've actually run the NCR process, not just filled out forms
Tell me about a time you had to explain a quality concern to someone in Engineering or Supply Chain who didn't want to hear it.
communication skill and confidence pushing back across departments
Describe your experience inspecting structural steel, sheet metal, or enclosures similar to what we build here. What was different about inspecting those versus other components?
relevance of prior fabrication experience to Generac's actual product types
Technical
Walk me through how you'd inspect a weldment against an AWS code when the engineering drawing doesn't fully specify the acceptance criteria.
whether the candidate knows how to reconcile drawings, codes, and specs rather than treating them as interchangeable
What visual cues would make you suspect incomplete penetration or lack of fusion on a weld you can only inspect from one side?
depth of practical visual inspection knowledge beyond textbook definitions
How do you verify a welder's qualification record actually covers the process and position being used on a job?
understanding of welder qualification requirements, not just weld appearance
What precision measuring tools do you reach for most often, and how do you decide which one fits a given inspection?
practical fluency with calipers, micrometers, and weld gauges
How would you go about root-causing a recurring weld defect that keeps showing up across multiple shifts?
structured problem-solving ability beyond flagging individual defects
Have you worked with an MRP or quality management system like Epicor or an ISO 9001 environment? Walk me through how you used it day to day.
real system experience versus familiarity by name only
Situational
You find a batch of incoming fabricated components with a dimensional issue that's within the supplier's tolerance but outside the drawing spec. What do you do?
judgment on when to escalate a conflict between supplier documentation and engineering requirements
Production is behind schedule and a supervisor asks you to pass a weld that's borderline on profile so the line can keep moving. What do you do?
willingness to hold the quality line under production pressure
A supplier's material certification looks fine on paper, but something about the material feels off during receiving inspection. How do you handle that?
trust calibration between documentation review and physical verification
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As published by Generac.
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