engineering applied scienceekahaurf site surveywi fi 6ewlc controllers
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
Check command of 802.11ax/be mechanics: channel planning, DFS, MU-MIMO, roaming standards (802.11r/k/v), WPA3 and 802.1X with RADIUS or ISE against real deployments.
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 cell sizing, band steering and airtime fairness with numbers, and names the standards behind each roaming and security choice.
02
Evaluation factor
Work that shipped
30% weight
Probe deployed networks: AP counts, predictive designs in Ekahau or iBwave, validation surveys, controller migrations to Catalyst 9800, Mist or Aruba Central, cutover results.
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
Cites specific rollouts (site type, AP count, SSID design) with post-validation RSSI, SNR and client density figures they measured themselves.
03
Evaluation factor
Diagnosis under uncertainty
20% weight
Test troubleshooting of intermittent complaints: sticky clients, co-channel interference, spectrum captures with Wi-Fi scanners, packet analysis in Wireshark, correlating with DHCP or RADIUS logs.
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
Walks through an ambiguous voice or barcode scanner issue, showing the captures and logs that isolated the true cause, not guesswork.
04
Evaluation factor
Working across the org
15% weight
Assess coordination with facilities on cabling and PoE budgets, security on NAC policy, and vendors on TAC cases; look for handover documentation and change windows.
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
Describes negotiating maintenance windows and NAC exceptions, and produced as-built drawings or runbooks that operations staff actually used.
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