Technical depth
Check command of energy modelling in IESVE, DesignBuilder or EnergyPlus, plus embodied carbon via One Click LCA, and fluency with Part L, ASHRAE 90.1 or Passivhaus criteria.
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
Cannot explain the fundamentals of their own stated specialism.
Knows the vocabulary but not the underlying mechanism; struggles under follow-ups.
Solid working knowledge for the role; depth thins out on edge cases.
Strong command of the domain; explains trade-offs and defends decisions well.
Names specific modelling engines and assumptions, cites U-values, air tightness targets and LCA stage boundaries without prompting.