Hiring Guide - Sourcing
Building a Wider Engineering Shortlist Without Lowering the Bar
The requirements that shrink an engineering shortlist fastest are usually the ones that predict performance least.
· 7 min read · Hiring Guides
When an engineering search stalls, the instinct is to conclude the talent does not exist. More often the requirement list contains three or four proxy filters - a specific vendor, a named sector, a degree class, an exact years-of-experience band - that each remove a large share of the qualified pool without improving the quality of who remains.
Separate capability requirements from proxies
| Proxy requirement | Why it narrows | Test instead |
|---|---|---|
| Specific PLC or relay vendor | Removes most of a transferable pool | Architecture and debugging reasoning |
| Same-sector experience only | Excludes adjacent regulated sectors | Regulatory and safety-case reasoning |
| Exact years of experience | Screens out fast developers and long specialists alike | Evidence of scope owned |
| Degree discipline or class | Weak predictor after five years in industry | Demonstrated technical judgement |
Replace filters with structured evidence
- Write the requirement as an observable behaviour: "can defend a coordination study" rather than "5+ years protection"
- Define what strong, adequate and weak evidence looks like before interviewing anyone
- Score every candidate on the same dimensions so widening does not become inconsistency
- Track which requirements actually correlated with performance at the six-month mark
Adjacent sectors are the largest untapped pool
Rail, aerospace, defence, marine, pharmaceutical and process industries all produce engineers with directly transferable discipline depth and regulatory maturity. The bridge is usually codes and terminology, both of which are learnable in post when the underlying reasoning is sound.
Use the template
- Engineering Interview ScorecardsDiscipline-specific scorecards with rating anchors tied to evidence rather than impression. Designed so two interviewers who have never met score the same candidate within a point of each other.
Summary
Key takeaways
- Most stalled engineering searches are narrowed by proxy filters, not by genuine scarcity
- Write requirements as observable behaviours and define evidence standards before interviewing
- Adjacent regulated sectors are the largest available pool for most disciplines
- A wider pool assessed consistently is a higher bar, not a lower one
Answers
Frequently asked questions
Question not covered here? Ask a recruiter directly - you will get a straight technical answer, not a callback from a salesperson.
Keep going
Read next
- Hiring Controls Engineers Without Over-Indexing on PLC BrandHow to weigh PLC platform experience appropriately against underlying programming logic, troubleshooting ability, and industrial process knowledge when hiring controls engineers.
- How Engineering Managers Should Build Technical Interview ScorecardsA practical guide for engineering managers on designing technical interview scorecards that define what strong, adequate, and weak answers look like before interviews begin.
- Red Flags in Engineering Resumes Hiring Managers Often MissA field guide to the resume patterns that correlate with mis-hires in engineering roles, and what to verify before moving a candidate to a technical interview.
Need this applied to your own requisition?
Our recruiters will run the same analysis against your scope and send back a written market view for the disciplines you are planning.