University Co-Op Student - Protection & Control Engineering - 12-16 Months - Winter 2026

50678 - Toronto - Temporary 12-16 Months

Hydro One is proud to be the largest electricity transmission and distribution provider in Ontario, serving nearly 1.5 million customers. We have a long history in the industry with our roots dating back over 110 years to 1906. Since then, we have worked to grow and evolve to meet the changing needs of our customers and communities across Ontario. Today, we’re focused on providing exceptional customer service and ensuring we are building safe communities where we live, work and play.

It’s an exciting time to join the team at Hydro One!

Engineering Design Of Protection, Control And Metering Systems For The Transmission Grid In Ontario. Selected Candidate(s) Will Be Placed Into One Of The Three Disciplines

Protection engineers design protection systems which involve power studies, integrating intelligent electronic devices (IEDs) to interface with power equipment, configuring settings for IEDs, implementing logic diagrams, and marking up drawings for design.

Control engineers design an infrastructure to control, monitor and alarm power system equipment and devices. This involves marking up drawings for design, setting configuration files, and various forms of testing to ensure the communication system is functioning as designed.

Metering engineers design circuits to measure load usage within a transmission substation and calculate electrical losses for accurate billing.

Under the supervision of a protection engineer, you will be assisting with projects by designing protection systems by helping with the mark up of drawings, assist with implementing logic diagrams, configuring settings into IEDs, uploading IED information into a cyber-secure system, and processing configurations that have been commissioned by the field.

Under the supervision of a control engineer, you will be assisting with projects by designing control systems by helping with the mark up of drawings, creating and issuing configuration files, and point verification scheduling and testing which pre-commissions data points before putting equipment into service.

Under the supervision of a metering engineer, you will be assisting with the design of metering circuits, creating documentation to be approved by IESO, calculating site specific load adjustments and calculating measurement error correction losses.

In all disciplines you may be required to handle Cyber Security sensitive information, and communicate with different departments and field staff.

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The job will provide in depth understanding of the engineering required to protect, control and meter a transmission grid.

Provides prospective engineers registered in EIT a chance to work with professional engineers and gain pre-graduation experience.

- Discipline: Electrical Engineering

- Academic Level: 3rd year and above

- An aptitude to learn

- High attention to detail

- Great verbal and written communication skills

- Self-motivated individual

- Other requirements: The successful candidate will be asked to submit a Personal Risk Assessment from Metropolitan Toronto Police

Hydro One requires that all students applying for student opportunities be enrolled in post-secondary level studies and be returning to full-time studies upon the completion of their work term. Exceptions will be made in cases where students require a work term in order to graduate. Only applications submitted via Hydro One's career page will be accepted.

As part of our commitment to building a thoughtful and values-driven team, we encourage you to create your application materials—such as your resume, cover letter, and any written or oral responses—without the use of AI tools.

We’re genuinely interested in hearing your story, in your own words. Your personal voice, experiences, and perspective help us understand how you might contribute to our team and culture.

Thank you for taking the time to share your authentic self with us.

If you are an international student, please ensure you have obtained a proper work permit and a Social Insurance Number (SIN). Speak with your school’s career centre if you have any questions about acquiring this documentation.

At Hydro One we understand that the success and strength of our business rests with our people. When we develop their skills, we are investing in both their success and ours. To secure the best talent, we seek to create a workforce that reflects the diverse populations of the communities where we live and work and to create a culture based on safety, innovation and inclusiveness.

Thank you for considering a career with Hydro One, we welcome applications from all qualified candidates. If you are having difficulty using our online application system and you need an accommodation due to a disability, please email careers@hydroone.com. Hydro One will provide reasonable accommodation for qualified individuals with disabilities in the job application process.

Please note this email is only for accommodation requests. Resumes sent to this email address will not be considered.

"Employer of the year 2025"

- Please note that students are to apply to a maximum of 3 co-op positions per term.

In the event you are experiencing difficulties applying to this job please consult our help page here .

We thank all applicants for their interest in a career at Hydro One; however, only those candidates who are selected for an interview will be contacted.