Internia

SuncorInterview Experiences

Mechanical Engineer

Calgary, AB· Summer 2026

No Offer

University of Calgary · Mechanical Engineering

2nd year · 2.9-3.2 GPA · 0 past internships

Easy Interview

BehavioralPre-recordedMultiple roundsVirtual

Look up suncor's values before going in, they came up a few times. Hirevue first with 4 to 5 behavioral questions. Second round was Teams with a team lead and HR, one hour split between behavioral and some technical questions about mechanical systems and process equipment

Questions Asked

  1. 1.“Explain what tolerancing and fits mean in manufacturing and why they matter”
  2. 2.“What is thermal stress and when does it become a significant design concern?”

Process Engineer

Calgary, AB· Summer 2026

Accepted

University of Calgary · Chemical Engineering

4th year · 3.7+ GPA · 2 past internships

Hard Interview

TechnicalBehavioralMultiple roundsVirtual

Keep your unit ops textbook handy before this one. Technical interview was with two process engineers from the upgrader side. Went into fluid mechanics, heat and mass transfer and then a distillation column scenario where I had to go through what happens when feed composition changes. Safety culture questions came up in both the technical and HR rounds, stopping work authority and recognizing unsafe conditions. They also asked about any plant visit or field experience. Thorough but not impossible.

Questions Asked

  1. 1.“Describe a time you had to troubleshoot a process that was underperforming.”

Process Engineer

Calgary, AB· Summer 2025

No Offer

University of Alberta · Chemical Engineering

3rd year · 2.9-3.2 GPA · 1 past internship

Easy Interview

BehavioralPre-recordedVirtualStressful

HR screening was basic, availability and background then meeting with my interviewer who had me write test cases for a calculator app and questions about static vs dynamic testing and Windows system stuff too

Questions Asked

  1. 1.“How does a pressure relief valve work and why is it a critical safety device?”
  2. 2.“What is process intensification and what are its benefits?”

Process Engineer

Calgary, AB· Summer 2025

No Offer

University of Alberta · Chemical Engineering

3rd year · 3.3-3.6 GPA · 1 past internship

Easy Interview

BehavioralPre-recordedMultiple roundsStressful

They were looking for specifics on how I've handled criticism from a supervisor. Hire vue was 5 questions including why Suncor and why engineering. Second round with 3 people, lots of teamwork and safety framing. Not bad but Calgary oil patch roles are competitive

Questions Asked

  1. 1.“Explain what an energy balance is and where you'd apply one in a process”
  2. 2.“Describe a time you communicated complex process information to a non-technical audience”
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