Sr Manufacturing Engineer
Posted Jul 27, 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
Tell me about a capital investment you led. How did you justify it, and did it pay back the way you said it would?
What they are checking: Whether they can build a sound business case and then own the result after the money is spent.
Tell me about a process you changed that improved productivity, quality and safety at the same time.
What they are checking: Whether they look for changes that serve all three goals instead of trading safety or quality for speed.
Describe a time a supplier's part caused a problem on your line. How did you separate a supplier issue from a process issue?
What they are checking: Whether they use data to find root cause before assigning blame across the supply chain.
How do you mentor less experienced engineers or technicians on your team?
What they are checking: Whether a senior engineer raises the skill of the people around them instead of holding all the knowledge.
What would you do
We use Vuforia AR for visual work instructions. How would you decide which SOPs are worth turning into AR content?
What they are checking: Whether they see AR as a tool for hard, error-prone tasks rather than a novelty applied everywhere.
An operator tells you your new routing does not work on second shift. What do you do?
What they are checking: Whether they go to the floor and listen before defending their own documentation.
If you had two capital projects and budget for one, how would you choose?
What they are checking: Whether they weigh payback, risk, safety and customer impact instead of picking the more interesting project.
About the work
Walk me through how you build a routing from an engineering drawing and a customer spec, from the first read to the standard cost.
What they are checking: Whether they can turn a print into real operations, tooling and cost without leaving gaps the shop floor has to fill.
How do you put together a cost estimate when purchasing and suppliers are still giving you lead times that move around?
What they are checking: Whether they account for material and process lead times honestly instead of quoting a number that only works on paper.
What is the difference between a WPS and a PQR, and how have you kept those welding files current?
What they are checking: Whether they understand welding qualification records well enough to keep the plant audit-ready and the welds defensible.
How do you keep ISO documentation accurate when processes change faster than paperwork does?
What they are checking: Whether they have a real habit for document control, since stale records fail audits and confuse operators.
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Practice this out loudThe full job description
As published by Xylem.