Controls System Integrator III
Posted Aug 17, 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 complex integration you completed. What made it hard?
What they are checking: Depth of experience appropriate to a level III integrator.
How do you help less experienced integrators learn the job?
What they are checking: Willingness to share knowledge, which senior integrators are expected to do.
What would you do
A customer wants a feature added that was not in the project scope. What do you do?
What they are checking: Whether they handle scope changes through the project manager instead of quietly doing extra work.
About the work
Walk me through how you would integrate a new rooftop unit controller into an existing building automation system.
What they are checking: Hands-on ability to discover, map and test points on a BAS network.
What is the difference between BACnet MS/TP and BACnet IP, and when have you troubleshot each?
What they are checking: Whether they truly understand the common building automation protocols they will troubleshoot on almost every job.
How do you build front-end graphics that building operators actually find useful?
What they are checking: Whether they design from the operator's needs rather than just showing every point.
A device keeps dropping off the network. How do you find the cause?
What they are checking: Their troubleshooting process for network wiring, addressing and configuration problems.
How do you set up alarms so operators get useful warnings without too many nuisance alarms?
What they are checking: Judgment on alarm design that keeps operators responsive.
How do you document your work so another integrator can support the site later?
What they are checking: Discipline around point lists, network diagrams and backups.
What do you check before turning a system over to the customer?
What they are checking: Commissioning discipline that avoids callbacks and unhappy operators.
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Practice this out loudThe full job description
As published by Daikin Applied.