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Schweitzer Engineering Laboratories Interview Questions
& Process

Real candidates share what happened, how many rounds they had,
and how the experience turned out.

Based on 388 interview experiences · FREE TO READ

2.4 Rounds average
Average Typical difficulty
63.1% Positive experience

Which role are you interviewing for?

30 roles · 388 reports

Candidate interview experiences

First-hand accounts from people who interviewed at Schweitzer Engineering Laboratories.

Showing 4 of 388
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Schweitzer Engineering Laboratories

Associate Project Engineer

Engineering · nearly a year ago

Entry Easy Positive experience No offer 4 rounds
Interview process
Recruiter call Technical screen Presentation Onsite Background check
Interview formats
Technical Presentation Behavioral

So, first there was like this HR call, you know, to kick things off. Then, we had a 60-minute technical interview, pretty standard. The final part was the on-site, which was actually split into two sections. The first on-site bit was about 1.5 hours total, with a 30-minute presentation and then an hour of questions, which got pretty technical. After that, there was a 1-hour behavioral part. Overall, it was a good experience, and the people were nice.

Confirmed questions7 questions
  • Can you explain what NAT is?
  • Could you describe VLANs?
  • What are firewalls and what are their different types?
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Schweitzer Engineering Laboratories

Quality Assurance Lead Engineer

Engineering · nearly a year ago

Lead Average Negative experience No offer 3 rounds
Interview process
Recruiter call Technical screen Onsite
Interview formats
Behavioral Technical

The interview experience was highly unprofessional. They contacted me on holidays attempting to advance their interview schedule. Despite my son being in the hospital, they refused to reschedule, stating they were eager to start the new year. The interviewer, with a rude tone and extreme unprofessionalism, responded to a layered question by saying 'let me give you feedback' because my answer was unfocused. Their body language was terrible, with constant glares and smirks. They even used my own statements against me, like when I mentioned delegating roles, they retorted 'oh we have a small team so you won't have the opportunity to delegate'. It was the worst and most unprofessional interview process I've ever been through.

Confirmed questions3 questions
  • How do you approach team development?
  • Can you describe your methods for developing teams?
  • What is your process for building and growing a team?
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Schweitzer Engineering Laboratories

Software Engineer

Engineering · a year ago

Intern Easy Neutral experience No offer 1 round
Interview process
Recruiter call Phone screen Background check Offer
Interview formats
Behavioral Technical

I got picked for a phone screening for a Software Engineering position at Schweitzer Engineering Laboratories. It was a quick 30-minute call with HR, mainly asking behavioral questions. They threw in a couple of technical questions too, about basic OOP and Agile stuff. The interview felt easy and I thought it went well. They said I'd hear back in five business days, but after six with no word, I shot them an email asking for an update. They never even replied. Finally, 15 business days post-interview, I got a rejection notice. The slow communication was a bummer, it would've been way more professional to give an update on time or at least respond to follow-ups instead of leaving people hanging.

Confirmed questions4 questions
  • Can you share an instance where you managed confidential information and how you dealt with it?
  • Regarding the four pillars of OOP, could you explain inheritance?
  • What distinguishes formal from absolute parameters?
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Schweitzer Engineering Laboratories

Automation and Integration Engineer

Engineering · a year ago

Mid Difficult Negative experience No offer 2 rounds
Interview process
Recruiter call Technical screen Onsite Panel Background check
Interview formats
Behavioral Technical Coding Presentation

So I interviewed at SEL in Pullman, and it was way different from what my friends who work there said they experienced. First up was a Zoom interview with about 15 minutes of HR stuff, then a 30-45 minute technical interview with someone from the team. Then I got moved to the second stage, which was ANOTHER technical interview, but this time it was in person and I had to do whiteboard work in front of the whole team. It was pretty stressful, made worse because the team lead asking questions could barely speak English, which caused a lot of confusion. Usually SEL has like 1-3 interviews, typically a quick HR call, then an in-person technical interview, and then maybe an intro to the team if you get the job. But nope, I had two technical interviews. They even asked me to stay longer for more questions in the second interview, and I did because I thought it was a good sign. They said they want to see how you approach problems and are usually pretty forgiving and happy to help you learn on the job, even if you're not always right. But honestly, I'm not sure that was the case for this position. There wasn't even a job description on the application page, at least not for this role. The job was listed under R&D, but the team told me they mostly do lower-level tasks, which was pretty misleading compared to the job page. They listed 'power engineering' as a preferred qualification, but they focused mainly on system networking and communications, which has nothing to do with hardware, power, or circuit design. Anyway, I never heard back from SEL after the interview. They completely ghosted me, even after I emailed them a month later. It's super unprofessional to get someone excited about a potential career and then just vanish. At least send a rejection email, you know? Total scumbag move.

Confirmed questions5 questions
  • Can you solve for the current through the inductor in an RL circuit?
  • What's the equation for current over time in an RL circuit?
  • Please draw the current vs time graph for an RL circuit.

Schweitzer Engineering Laboratories Interview Questions

Quoted word for word from Schweitzer Engineering Laboratories interview reports.

Write a program to count character occurrences ('a' through 'z') in a string, store these counts, and return the count for a specified character. Handle characters outside 'a'-'z' by returning an error.

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When the primary and secondary voltages of a transformer are given, what is its resistance with respect to the primary?

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For an LED circuit, can you calculate the resistor needed for a specific current?

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What are the three methods for including CSS in an HTML document?

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Regarding a device that outputs constant heat of 70F, what would occur if it were moved to a hotter room with a constant temperature?

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What is the secondary impedance of a transmission line, given CTR, PTR, and Zline, calculate Zrelay?

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What type of sequence component corresponds to a 3-phase fault?

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In a radial system, what is the minimum coordination time interval between two upstream protective devices?

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Formats, difficulty and experience

Across all 388 Schweitzer Engineering Laboratories interview reports.

Interview formats

Technical 38.3%
Behavioral 36.7%
Coding 10.9%
Presentation 10.6%
Group 1.7%

Interview difficulty

Easy 14.9%
Average 57.5%
Difficult 27.6%

Candidate experience

Neutral 25.2%
Positive 63.1%
Negative 11.7%

Reports by job function

Engineering 316
Operations 37
HR 9
Other 7
Finance 5
Sales 4