Mechanical Design Engineer
Posted Aug 25, 2026 · We last checked this listing on Oct 6, 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.
About your past
Walk me through a mechanical design project you owned from the initial write-up to completion. How did you keep it on schedule and within budget?
What they are checking: whether the candidate can manage a full design lifecycle independently, not just produce drawings
Describe a situation where you had to coordinate closely with an electrical engineer on switchgear or cabling layout. What conflicts came up and how did you resolve them?
What they are checking: ability to collaborate across mechanical and electrical disciplines on integrated packaging
Tell me about a time you pulled from an existing drawing or past project to save time on a new design. How did you make sure it still fit the new requirements?
What they are checking: efficiency instinct balanced against due diligence, since the posting explicitly values reusing prior work
Describe a time you had to explain a technical design decision to someone without an engineering background, maybe in sales or a customer.
What they are checking: communication skill across audiences, which the posting flags as a required ability
Have you been part of a new product introduction or a technical transfer to a new supplier? What was your role and what went wrong along the way?
What they are checking: real experience with NPI and supplier transfer, listed as a preferred qualification
What would you do
Say a sales rep hands you a customer spec that's vague or contradicts itself. What do you do before you start drawing?
What they are checking: judgment on when to seek clarification versus assume, and comfort working across sales-engineering boundary
Production calls you mid-build saying a part doesn't fit as designed. Walk me through how you'd handle that call.
What they are checking: composure and problem-solving under time pressure while supporting another department
A customer's approval drawing comes back with a rejection days before your deadline. How do you prioritize your response?
What they are checking: ability to triage competing pressures of accuracy, speed, and customer expectations
About the work
Tell me about a time you had to design an enclosure or structural component around a diesel or natural gas generator set. What load or code requirements did you have to satisfy?
What they are checking: real exposure to genset packaging and compliance codes versus general mechanical design experience
What CAD platforms have you used day to day, and can you describe a drawing package you built that included both fabrication and composite drawings?
What they are checking: actual fluency with AutoCAD, ProE, or SolidWorks at the level the job requires
Have you worked with Windchill or a similar PLM system to manage documentation and revisions? What did that look like in practice?
What they are checking: specific experience with the document control tool named in the posting
Tell me about a time you had to calculate wind load or do structural sheet metal analysis. What was the outcome?
What they are checking: depth in the preferred specialization area versus surface familiarity
What do you know about MIG, TIG, and stick welding, and how does that knowledge shape the way you design a weldment?
What they are checking: whether the candidate designs with manufacturability and weld process in mind, not just geometry
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As published by Generac.