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Engineer Interview Questions

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Indeed’s Employer Resource Library helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

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Whether you are preparing to interview a candidate or applying for a job, review our list of top Engineer interview questions and answers.

  1. What are the top three crucial skills of a successful engineer? See answer
  2. What type of engineering do you most enjoy? See answer
  3. What process do you follow to ensure that your work is accurate and error-free? See answer
  4. How has your education prepared you for an engineering role with our company? See answer
  5. How do you stay current with the latest technology and information in your career? See answer
  6. Describe the most challenging engineering project you’ve worked on. See answer
  7. How do you prioritise your day when working on several projects? See answer
  8. Describe a time you had a customer push back on an engineering project because of budgetary concerns. See answer
  9. When working on a project with other technical professionals, do you naturally lead or follow? See answer
  10. Describe what a successful team means to you as an engineer. See answer
  11. Describe how you communicate complex technical information to a non-technical audience, such as when conducting a customer presentation. See answer
  12. When working on a project, how do you provide leadership to those less experienced? See answer
  13. What about our company interests you as an engineer? See answer
  14. What’s your most significant weakness as an engineer?
  15. What’s the most significant contribution you’ve made as an engineer?
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Our mission

Indeed’s Employer Resource Library helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

Read our editorial guidelines

15 Engineer Interview Questions and Answers

What are the top three crucial skills of a successful engineer?

The technical knowledge of an engineer varies within each industry and engineering speciality, but the critical skills for success are similar throughout. The goal of the question is to evaluate the candidate's perspective on the crucial skills that create success in the role of an engineer. What to look for in an answer:

  • Solid foundational technical knowledge in their specific type of engineering, such as chemical or mechanical
  • Understanding of the role of an engineer within the company
  • Ability to identify critical skills and abilities that contribute to their career success

Example:

"I think the top three crucial skills of a successful engineer are technical understanding in their industry, project management skills, and critical thinking and analytical ability."

What type of engineering do you most enjoy?

An engineer may choose to specialise in a specific engineering type, which they typically decide during their educational training. The goal of the question is to evaluate the candidate's preference of engineering tasks to ensure it matches your company's needs. What to look for in an answer:

  • Self-awareness of professional strengths, weaknesses, and preferences
  • Ability to adapt knowledge to benefit the job
  • A positive and enthusiastic attitude about their career

Example:

"When I was in university, I decided to focus on mechanical engineering, so this is the area I most enjoy. However, I also enjoy working on structural engineering projects from time to time."

What's your most significant weakness as an engineer?

A competent engineer understands their professional strengths and weaknesses and works to improve their skills and knowledge. The goal of the question is to evaluate the candidate's opinion of their most significant shortcoming. What to look for in an answer:

  • Self-awareness of professional strengths and weaknesses
  • Interest in continuing to improve their professional skills and abilities
  • Ability to adapt their experience to benefit the position

Example:

"As a chemical engineer, my most significant weakness is understanding of structural regulations. This comes into play when I'm working on a project that entails both chemical and structural engineering. For example, building a holding tank structure for a specific chemical makeup."

What process do you follow to ensure that your work is accurate and error-free?

A competent engineer must ensure their work is free of errors and mistakes. The goal of the question is to evaluate the candidate's process for checking the accuracy of their work. What to look for in an answer:

  • Interest in producing high-quality work that is accurate and error-free
  • Ability to follow a systematic process to check their work
  • Critical thinking and analytical skills to determine where in their work there is the possibility for error

Example:

"As an engineer, I've created my own unique process for double-checking the accuracy of my work. In addition to reviewing my work, I also have a colleague look over critical parts to confirm that my calculations and data is correct."

How has your education prepared you for an engineering role with our company?

A competent engineer has taken extensive post-secondary education and can implement their knowledge in their position. The goal of the question is to evaluate the candidate's academic background and ability to adapt what they've learned in real-life situations. What to look for in an answer:

  • Completion of company-specific educational requirements, as needed
  • Ability to implement knowledge into their daily work
  • Interest in continuing to improve their professional skills

Example:

"After I completed my engineering degree, I decided to pursue my professional engineer designation. The process to get a PEng is complex and requires extensive hands-on experience under the guidance of a designated engineer. I use my academic knowledge of technical concepts every day in my career."

How do you stay current with the latest technology and information in your career?

A successful engineer needs to regularly update their skills and knowledge while staying current with the newest technology and best practises. The goal of the question is to evaluate the candidate's interest in updating their professional competencies. What to look for in an answer:

  • Interest in taking part in professional development opportunities
  • Ability to implement newly learned knowledge into their job
  • Communication and networking skills to participate in learning

Example:

"Because I'm working towards my professional designation, I'm involved in the Engineers Canada Association, which provides ongoing training and networking opportunities. I've also joined several local engineering network groups that provide guest speakers on a variety of topics."

Describe the most challenging engineering project you’ve worked on.

A competent engineer must tackle challenging projects throughout their career. The goal of the question is to evaluate the candidate's most demanding project so far in their experience. What to look for in an answer:

  • Critical thinking and analytical skills to assess a project and prioritise tasks effectively
  • Creative thinking and problem-solving skills to develop viable solutions
  • Communication and interpersonal skills to work productively within a project team

Example:

"The most challenging project I've ever worked on was a long-term project for renovating a provincial historic building. As a structural engineer, they brought in me to consult on how they could preserve as much as possible while improving the building's framework. It was challenging because..."

What's the most significant contribution you’ve made as an engineer?

A successful engineer works on projects that improve the lives of those they serve and contribute to the company they work for. The goal of the question is to evaluate the candidate's ability to contribute positively within their role. What to look for in an answer:

  • Interest in producing high-quality work that provides a contribution
  • Attention to detail and accuracy in the work they complete
  • Critical thinking and analytical skills to assess a project for maximum impact

Example:

"The most significant contribution I've made in my career as an engineer would have to be working on the restoration of the tailings ponds in northern Alberta. Reclaiming the land and restoring it to its natural state was a rewarding project."

How do you prioritise your day when working on several projects?

A competent engineer must organise their day and prioritise their tasks for maximum productivity. The goal of the question is to evaluate the candidate's approach to organisation, time management, and prioritization. What to look for in an answer:

  • Understanding of what duties are important and the ability to prioritise tasks independently
  • organisational skills to maintain a systematic approach to information and duties
  • Time management skills to monitor hours worked on projects, upcoming meetings, and critical deadlines

Example:

"At the beginning of every day, I review my calendar for upcoming meetings and deadlines. I then prioritise my day based on what's coming up, what I'm waiting on from others, and what's urgent."

Describe a time you had a customer push back on an engineering project because of budgetary concerns.

A successful engineer must be able to handle customer concerns, requests, and questions. The goal of the question is to evaluate the candidate's experience dealing directly with clients and ability to handle conflict. What to look for in an answer:

  • Interest in providing a positive customer experience
  • Communication skills to ask questions, listen actively, and address concerns
  • Ability to adapt communication style to the audience being addressed

Example:

"I had a customer push back on a building project because of budgetary concerns. I had to address their questions and explain that specific parts of the project couldn't be cut due to safety regulations. Once I provided a simple, detailed explanation, we could proceed."

When working on a project with other technical professionals, do you naturally lead or follow?

A competent engineer must work effectively with various other professionals and teams throughout a project. The goal of the question is to evaluate the candidate's ability to work well with others, regardless of their role within the project. What to look for in an answer:

  • Interpersonal skills to work independently and within a team
  • Leadership skills to provide guidance and direction to others
  • Ability to take direction and follow instructions when required

Example:

"Whether I lead or follow within a project depends on the expertise of the other team members. If I'm a more senior member, then I'll naturally take a leadership role to help provide direction and support to those less experienced."

Describe what a successful team means to you as an engineer.

An engineer often works within a project team or department and may even manage or supervise others. The goal of the question is to evaluate the candidate's description of a successful team. What to look for in an answer:

  • Interest in working to develop a strong team environment
  • Communication skills to share ideas and concepts with others
  • Interpersonal skills to get along with others and work within a team

Example:

"A successful team to me means everyone working towards a common goal. It also means having clear lines of communication and mutual respect for all involved."

Describe how you communicate complex technical information to a non-technical audience, such as when conducting a customer presentation.

A competent engineer must be able to adapt their communication towards the audience they are addressing. The goal of the question is to evaluate the candidate's ability to tailor their vocabulary and information to the people they're talking with. What to look for in an answer:

  • Interest in speaking in a way that people understand the ideas and concepts
  • Ability to use simple language and terms to explain complex technical information
  • Adaptability and flexibility to address various situations

Example:

"When speaking to a non-technical audience, I use simple terms with lots of analogies. I find using analogies helps people understand complex ideas without being condescending. I also focus on using common vocabulary, even for technical items."

When working on a project, how do you provide leadership to those less experienced?

An engineer must lead by example and by providing guidance and direction to less experienced professionals. The goal of the question is to evaluate the candidate's ability to supervise and lead others within a team or project. What to look for in an answer:

  • Leadership skills to provide guidance and support to less experienced team members
  • Communication skills to offer precise information in easy-to-understand language
  • Interest in being a leader within their position to others

Example:

"I enjoy mentoring less experienced engineers. So when I have the opportunity to work with someone less experienced, I tend to lead by example. I offer advice and constructive feedback when asked. I take the time to listen to their ideas and theories and provide my insight."

What about our company interests you as an engineer?

Before arriving for the interview, an engineering candidate should understand what your company does, the industry you serve, and the details of the job description. The goal of the question is to evaluate the candidate's interest in researching the company and position before the interview. What to look for in an answer:

  • Interest in researching the company and position before the interview
  • Understanding the full scope of duties and responsibilities of the job
  • Ability to adapt their experience to benefit the position

Example:

"As a chemical engineer, working for your company interests me because of your reputation as an environmentally conscious manufacturer. I'm excited to share my expertise to make a difference in green manufacturing."

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