Connected Factory Engineer
Posted Oct 5, 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 an Ignition project you built or supported. What did it do and what went wrong?
What they are checking: Whether they have real hands-on experience with the platforms the team uses.
Tell me about a time you found an existing integration that was fragile and improved it.
What they are checking: Whether they look for optimization opportunities, which the posting lists first.
How do you write documentation that a plant engineer will actually use at 2 a.m.?
What they are checking: Whether they write practical, clear documentation for the people who will support the system.
What would you do
A business user asks for a real-time dashboard but can't say exactly what they need. How do you get to a specification?
What they are checking: Whether they can draw out requirements and turn vague asks into technical specs.
A deployment you authored causes a data gap in the historian for a production line. What do you do?
What they are checking: Whether they respond quickly, protect data integrity and communicate openly about the impact.
About the work
Explain a Unified Namespace to me, and why a manufacturer would want one.
What they are checking: Whether they understand UNS as a shared, real-time data layer that decouples shopfloor systems.
How does MQTT work, and when would you use it instead of a point-to-point integration?
What they are checking: Whether they understand publish-subscribe messaging and its benefits for event-driven shopfloor data.
Walk me through how data gets from a PLC to OSI PI, and where Kepware or HighByte fit in that path.
What they are checking: Whether they understand the OT data flow and the role each platform plays.
What are the biggest risks when connecting OT systems to AWS cloud services, and how do you manage them?
What they are checking: Whether they think about security, network segmentation and reliability in IT/OT convergence.
In a GMP manufacturing setting, how do you test and document a change before deploying it?
What they are checking: Whether they understand validated environments and the need for test protocols and documentation.
How do you think about API management for shopfloor data that many teams want to use?
What they are checking: Whether they understand governance, versioning and access control for shared integrations.
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Practice this out loudThe full job description
As published by AbbVie.