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Controls Engineer Jobs in Ontario (NOW HIRING)

Perform controls troubleshooting and confer with controls engineers and other team members to resolve problems. * Provide technical information concerning calibration, programming and machine setup.

Role Overview Ibex is seeking a Senior Controls Engineer with strong hardware capabilities to take technical ownership of the building motion monitoring and elevator optimization system as it ...

Hatch is seeking a Controls Engineering Trainee to join our Technologies Group. In this role, you will support projects globally working from our Mississauga Head Office. Our group is comprised of ...

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Controls Engineer information

What are the key skills and qualifications needed to thrive as a controls engineer, and why are they important?

To thrive as a Controls Engineer, you need a solid background in electrical engineering, automation, and process control, typically supported by a relevant engineering degree. Familiarity with PLC programming, SCADA systems, HMI software, and certifications such as Professional Engineer (PE) or Siemens/Rockwell training are commonly required. Strong problem-solving abilities, attention to detail, and effective communication skills help distinguish top performers in this field. These skills ensure the safe, efficient, and reliable operation of automated systems critical to industrial and manufacturing environments.

What does a controls engineer do?

A Controls Engineer designs, develops, and maintains systems that control machinery and processes in industries such as manufacturing, automotive, and energy. They work with automation systems, including programmable logic controllers (PLCs), sensors, actuators, and human-machine interfaces (HMIs) to ensure efficient, safe, and reliable operation. Controls Engineers also troubleshoot and optimize existing systems, implement upgrades, and ensure compliance with safety standards. Their expertise is crucial for improving productivity, reducing downtime, and integrating new technologies into production environments.

What is the difference between Controls Engineer vs Electrical Engineer?

AspectControls EngineerElectrical Engineer
Required CredentialsBachelor's in Electrical, Mechanical, or Controls Engineering; certifications like Certified Control Systems Technician (CCST)Bachelor's in Electrical Engineering; Professional Engineer (PE) license often preferred
Work EnvironmentManufacturing plants, automation facilities, industrial settingsDesign offices, research labs, power plants, industrial sites
Industry UsageAutomation, manufacturing, process controlPower generation, electronics, telecommunications, industrial systems
Common Search/ComparisonControls Engineer vs Electrical Engineer

Controls Engineers focus on designing, developing, and maintaining control systems for automation and manufacturing processes, often working closely with machinery and PLCs. Electrical Engineers have a broader scope, working on electrical systems, power distribution, and electronic devices. While both roles require electrical knowledge and certifications, Controls Engineers specialize more in automation and control systems, whereas Electrical Engineers may work across various electrical disciplines.

What are common challenges faced by controls engineers when working on multidisciplinary project teams?

Controls Engineers frequently collaborate with mechanical, electrical, and software engineers, which can present challenges in aligning design standards, timelines, and communication styles. They must ensure that control systems integrate seamlessly with hardware and software components while also meeting safety and regulatory requirements. Effective communication and adaptability are essential, as Controls Engineers often act as a bridge between technical disciplines to troubleshoot issues and implement solutions efficiently.
What are the most commonly searched types of Controls Engineer jobs in Ontario? The most popular types of Controls Engineer jobs in Ontario are:
What are popular job titles related to Controls Engineer jobs in Ontario? For Controls Engineer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Controls Engineer jobs in Ontario look for? The top searched job categories for Controls Engineer jobs in Ontario are:
What cities in Ontario are hiring for Controls Engineer jobs? Cities in Ontario with the most Controls Engineer job openings:
Infographic showing various Controls Engineer job openings in Ontario as of August 2026, with employment types broken down into 3% As Needed, 88% Full Time, and 9% Contract. Highlights an 97% In-person, and 3% Remote job distribution.

Senior Instrumentation & Controls Engineer 2 - Nuclear

Sargent & Lundy

North York, ON • Hybrid

CA$111K - CA$153K/yr

Full-time

Medical, PTO

Re-posted 17 days ago


Sargent & Lundy rating

8.4

Company rating: 8.4 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

119th of 441 rated engineering


Job description

Our electric power generation clients, both in Canada and US, are updating and replacing the power plant control systems with new digital control systems.  This is expanding work in the Instrumentation and Controls Engineering group.  

This is a senior level design engineering position that offers a variety of interesting and challenging opportunities in nuclear Instrument and Controls Engineering and will provide an excellent opportunity to advance your career. You will lead a team of nuclear I&C Engineers and interface with the discipline engineers and designers on the Project Team and with the client to ensure all client requirements are satisfied. 

You will work on major process controls engineering projects for upgrades and modifications to nuclear power plants in the following areas:

  • Digital Systems -- PLC, DCS, Touchscreen displays, network switches and control systems
  • Functional Requirement and Procurement Specifications and software categorization reports for instrumentation and control systems for nuclear power plants
  • Process instrumentation replacement evaluation reports and nuclear modification packages
  •  Prepare instrument data sheets (IDS) and instrument calibration sheets (IDS)
  • Prepare documentation for design input for drawing production including cable block diagrams, connection wiring diagrams and schematics
  • Interface with vendors and prepare equipment purchase specifications
  • Prepare reports and studies that present technical information in a clear and concise manner to meet client requirements
  • Attend client meetings and perform site walkdowns to ensure the client is satisfied with our work product
  • Provide guidance as a mentor in the development of less experienced nuclear instrumentation and controls design engineers

This position is based on a hybrid work schedule and will require in-office work 3 days per week, giving you the flexibility to work remotely for two days. 


We do not sponsor employees for work authorization in Canada for this position.

This position may require access to U.S. export-controlled information. As such, candidates must be a citizen of a country listed in Appendix A to Part 810 of the Code of Federal Regulations. Please click here to determine your eligibility.

Essential skills and experience:

  • A BS in Electrical or Mechanical Engineering from an a Canadian Engineering Accreditation Board-accredited undergraduate program or a US based ABET-accredited program
  • A minimum of 7 years of experience in design engineering for process control systems; Experience in design engineering for nuclear power plant control system is preferred
  • Experience with power plant instrumentation and controls systems design for Candu reactors, including DCS for turbine, control, feedwater control, and data display.
  • Technically knowledgeable of available equipment and proven pre-engineered systems to execute systems design
  • Experience in reviewing design drawings created by others.

Valued, but Not Required:

  • P.Eng license
  • Active Ontario Power Generation (OPG) security clearance

In this role, we expect people to be willing or able to lead others who use modern tools:

  • You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
  • Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
  • Overseeing engineers who program or script (e.g., Python, MATLAB, advanced Excel) to automate engineering tasks, with review of automated outputs, is valued but not required.
  • We also value additional learning, such as a minor, certificate, or other experience in Computer Science, Artificial Intelligence, Software Engineering, or related fields that enables effective oversight of automation and agentic AI-enabled engineering workflows.

At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.


$111,304 - $153,043
This posting is to fill an existing vacancy. Sargent & Lundy discloses compensation ranges that comply with all provincial and federal legislation. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus.
Sargent and Lundy is fully committed to abiding by all equal opportunity employment standards. Our employment policies strictly prohibit all forms of discrimination on any of the grounds in relevant laws. All our employment practices are solely based on individual merit and our organization's needs at the time. We welcome and encourage applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.
We embrace the responsible use of artificial intelligence (AI) to enhance the candidate experience and streamline our recruitment process. AI-enabled tools may support certain stages of recruitment, but human judgment remains central to the candidate experience, and all hiring decisions are made by human reviewers.

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About Sargent & Lundy

Sourced by ZipRecruiter

Sargent & Lundy is one of the most experienced full-service architect-engineering firms in the world. Founded in 1891, the firm is a global leader in power and energy with expertise in grid modernization, renewable energy, energy storage, nuclear power, and fossil fuels. Sargent & Lundy delivers comprehensive project services--from consulting, design and implementation to construction management, commissioning and operations/maintenance--with an emphasis on quality and safety. The firm serves public and private sector clients in the power and energy, gas distribution, industrial, and government sectors.

Industry

Civil engineering construction

Company size

1,001 - 5,000 Employees

Headquarters location

Chicago, IL, US

Year founded

1891

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