I have sat in on enough welder interviews to know that the difference between a great hire and a regrettable one often comes down to details that are easy to miss if you are not paying attention. Technical skill matters enormously but it is only part of the equation. Here are the red flags and green flags I watch for when evaluating welding candidates.

Let me start with the green flags because I think it is important to know what a promising candidate looks like. The first thing I notice is specificity. When a welder can describe exactly what processes they have run, what materials they have worked with and what positions they are comfortable in, that tells me they have real hands-on experience. Vague answers like “I have done a little bit of everything” often signal someone who has not gone deep in any one area.

Another green flag is curiosity about your operation. A welder who asks about the types of projects you work on, the codes you weld to or the equipment in your shop is someone who is thinking about whether they can do good work for you. That level of engagement signals professionalism and genuine interest in the job.

I also look for welders who can talk about challenges they have faced and how they solved them. Welding does not always go according to plan. Fit-up issues, material inconsistencies and equipment problems are part of the job. A candidate who can walk you through how they troubleshot a porosity issue or adapted to an unusual joint configuration demonstrates the kind of problem-solving ability that separates a good welder from a great one.

Now for the red flags. The biggest one I see is a candidate who cannot clearly explain gaps in their employment history. Everyone has slow periods but a pattern of short stints at multiple employers without a reasonable explanation is a warning sign that the person may have reliability or performance issues.

Be cautious of candidates who are reluctant to do a hands-on welding test. A confident welder welcomes the opportunity to show what they can do. Someone who pushes back on testing or makes excuses may not have the skills their resume suggests.

I also watch for attitude issues during the interview itself. A candidate who speaks negatively about every previous employer, refuses to acknowledge any weaknesses or seems dismissive of safety protocols is likely to bring those same attitudes to your shop floor. Welding is team-oriented work and a difficult personality can poison crew dynamics quickly.

Finally, pay attention to whether the candidate’s expectations align with what you are offering. If someone is asking for top-of-market pay but their experience does not justify it or if they are looking for Monday through Friday hours on a job that requires weekend work, you are setting yourself up for a short tenure.

If sorting through candidates and spotting these signals sounds overwhelming, partnering with a welder temp staffing provider can help. Experienced staffing partners conduct thorough screening before candidates ever reach your desk, saving you from many of these pitfalls.