Interview scorecard template

Semiconductor Process Engineer interview scorecard

Evaluate Semiconductor Process Engineer candidates across 4 weighted areas: technical depth, work that shipped, diagnosis under uncertainty, and working across the org. Technical depth leads at 35%, so probe command of the specific process modules they claim: lithography, etch, deposition, implant, CMP, and the physics driving each. Use the rubric to compare role-specific evidence consistently.

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engineering applied sciencefabricationmanufacturingprocess engineeringsemiconductor
TL;DR
For technical depth, look for evidence the candidate explains the process physics and the tolerances they designed against, and defends decisions under follow-up. For work that shipped, look for evidence the candidate names processes that reached production, with measured yield, cycle time, or cost improvement they owned. Apply the written 1–5 anchors to every answer, record the evidence behind each rating, and use the factor weights to reach a consistent overall assessment.
Complete evaluation framework

What to assess and how to score it

Review the evidence signals before interviewing. Then use the anchored descriptions—not instinct alone—to choose the score that best matches each answer.

01
Evaluation factor

Technical depth

35% weight

Probe command of the specific process modules they claim: lithography, etch, deposition, implant, CMP, and the physics driving each.

Evidence to listen for

  • Explains the physics or mechanism behind their work, not just the tooling
  • Names the standards, tolerances, and constraints they designed against
  • Can defend a design decision under follow-up questions
  • Distinguishes what they personally engineered from what the team delivered

Five-point scoring guide

1
Poor

Cannot explain the fundamentals of their own stated specialism.

2
Needs Improvement

Knows the vocabulary but not the underlying mechanism; struggles under follow-ups.

3
Satisfactory

Solid working knowledge for the role; depth thins out on edge cases.

4
Very Good

Strong command of the domain; explains trade-offs and defends decisions well.

5
Excellent

Explains the process physics and the tolerances they designed against, and defends decisions under follow-up.

02
Evaluation factor

Work that shipped

30% weight

Look for processes that ran in a real fab at volume, with yield and cycle-time numbers attached.

Evidence to listen for

  • Names specific programmes, parts, or systems that reached production or field use
  • States their own scope inside the project
  • Can give measured outcomes: yield, cycle time, cost, failure rate
  • Explains what went wrong and what they changed

Five-point scoring guide

1
Poor

No delivered work; experience is coursework, lab-only, or purely observational.

2
Needs Improvement

Contributed to projects but cannot say what shipped or what their part was.

3
Satisfactory

Has delivered real work; outcomes described without numbers.

4
Very Good

Names shipped work and their scope, with some measured results.

5
Excellent

Names processes that reached production, with measured yield, cycle time, or cost improvement they owned.

03
Evaluation factor

Diagnosis under uncertainty

20% weight

Test how they chase a yield excursion to root cause when the signal is noisy and the fab is still running.

Evidence to listen for

  • Describes a real failure they chased to root cause
  • Shows a method: isolate variables, reproduce, measure, eliminate
  • Distinguishes correlation from cause
  • Says what they ruled out and why, not only what the answer turned out to be

Five-point scoring guide

1
Poor

No diagnostic method; guesses or escalates immediately.

2
Needs Improvement

Trial and error with no structure; cannot explain how they narrowed the cause.

3
Satisfactory

Reasonable method on familiar problems; less structured on novel ones.

4
Very Good

Clear systematic approach with a real root-cause story.

5
Excellent

Isolates variables systematically on a real excursion, and can say what they ruled out and why.

04
Evaluation factor

Working across the org

15% weight

Check how they work with equipment vendors, integration, and manufacturing when a process change affects everyone downstream.

Evidence to listen for

  • Explains technical constraints to non-technical stakeholders without condescension
  • Has negotiated scope, cost, or timeline with manufacturing, product, or suppliers
  • Documents decisions so others can act on them
  • Takes review feedback without defensiveness

Five-point scoring guide

1
Poor

Cannot communicate outside their specialism; dismissive of other functions.

2
Needs Improvement

Communication gaps cause rework; avoids stakeholder contact.

3
Satisfactory

Works adequately with other teams; documentation is thin.

4
Very Good

Communicates clearly across functions; reliable collaborator.

5
Excellent

Negotiates process changes across integration and vendors, and documents them so others can act.

Evidence-led prompts

Interview questions for a Semiconductor Process Engineer

Use these prompts to surface evidence for the weighted factors above and compare candidates against the same role-specific criteria.

  1. 01

    Which process modules have you personally owned: deposition, etch, photolithography or CMP? Tell me about the tool platform and the recipes you were responsible for.

  2. 02

    Do you have hands-on process development experience in lithography or etch, and what did you take from first pass to a released recipe?

  3. 03

    In about 60 seconds, explain how a semiconductor device works and how your process module affects its electrical behaviour.

  4. 04

    Which semiconductor materials have you worked with most closely, and what made them difficult to process?

  5. 05

    What has your exposure to yield enhancement looked like? Walk me through one yield number you moved and by how much.

See the complete Semiconductor Process Engineer question set
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