Share this Job

Assistant System Operator

Date: Feb 24, 2023

Location: CA

Company: Independent Electricity System Operator


 Requisition ID:  17434
 Location:  Mississauga - Onsite 
 Temporary Assignment:       Regular 
 Business Unit:   Markets & Reliability

Why join us? 
You’ve got great skills. And you want to use them in an organization where you know what you do every day matters. We get that.

We also know that ensuring Ontarians have access to affordable and reliable power doesn’t happen by accident. So we give you the tools, flexibility and support you need to achieve your goals, and development opportunities to help you grow. You’ll thrive in a collaborative, team-based environment that values your unique skills and experiences – and recognizes that when you do better, we become even better too.  

Who we are 
The Independent Electricity System Operator (IESO) works at the centre of the province’s power system, ensuring Ontarians have access to reliable and cost-effective electricity when and where they need it. We operate the province’s electricity grid 24/7, design, run and oversee the wholesale electricity markets, and plan and prepare to meet Ontario’s electricity needs – now and into the future.


The opportunity

As a member of the Control Room Operations Team, the Assistant System Operator helps fulfill the IESO’s roles as Reliability Coordinator, Transmission Operator and Balancing Authority for the province of Ontario by administering the IESO Controlled Grid (“ICG”) and the IESO Administered Markets (“IAM”) on a minute-to-minute basis ensuring a reliable, competitively-priced and sustainable electricity supply for the province:

  • through intense and timely analysis, investigation and execution of control actions;
  • in compliance with NERC reliability standards and NPCC criteria;
  • within the Market Rules and relevant Regulations;
  • through collaborative work with other Operations Team members; and under the general direction of the Manager - Operations


What you’ll do:

  • Following the successful completion of the IESO’s in-house training program, the candidate will, under supervision, carry out and assist in the Market and System actions to service the daily minute-to-minute operations of the electricity delivery system on a 24/7/365 Schedule.
  • The candidate will work within a team to ensure a secure and reliable supply of electricity that will comply with the terms of energy/capacity contracts, established delivery point performance criteria, system security demands including industry standards, Market Rules and Regulations.
  • Periodic off-shift assignments are part of the normal System Operations Department (SOD) working environment.


What you need to succeed: 

  • The successful candidate will have completed a recognized operator training program pertaining to power system operations
  • Applicants with lesser qualifications may be considered on an individual basis
  • The candidate must be capable of working efficiently and cooperatively in a shift-working, team-oriented environment
  • A formal assessment following the training period will be completed to determine when a trainee enters the shift complement
  • As part of this training the successful candidate must also pass the NERC system operator certification exam and subsequently maintain the certification qualifications
  • The selected candidate must display a willingness and aptitude to successfully complete an Assistant System Operator training program Movement to the System Operator level is based upon demonstrated performance including achievements in both on the job and formal training within a formal promotion–in-place program
  • Requires a strong knowledge of electrical theory, power system design, operation and control, associated mathematics and computer applications to undertake system control and management of the IESO-controlled grid
  • Requires analytical and marketing skills, knowledge of technical writing to prepare reports, and oral and written fluency for effective communication.
  • Must display a broad general knowledge of Electrical Equipment in Power System Operation
  • Good knowledge of the various departments within the IESO and their prime functions
  • Must have the ability to cope with unforeseen problems and to employ problem-solving techniques
  • Flexible and adaptable for working overtime on short notice or changing schedules on short notice
  • A highly motivated and organized individual with an abundance of initiative who promotes a high standard of work ethics
  • Must have above-average analytical skills with the capability to identify alternate solutions and initiate logical corrective actions in a timely fashion
  • Must have exceptional communication skills with the ability to present information in an orderly, complete and understandable manner
  • Applicants must also possess a high ability to listen and digest large volumes of information
  • Applicants must have excellent cooperative skills with the ability to manage customers facing issues in a diplomatic, professional and courteous manner
  • Demonstrate from past experience the ability to function in a training environment that includes classroom, simulation and practical hands-on activities
  • This knowledge is considered to be normally acquired through post-graduate education beyond secondary school plus further extensive theoretical study of subjects pertinent to the electrical discipline and the specialty area of the work function. The job also requires being NERC certified
  • A period of over 6 years and up to and including 8 years is considered necessary to gain this experience

What’s in it for you

  • A comprehensive total rewards program, including best-in-class benefits and a flexible workplace 
  • A challenging, fast-paced and collaborative team environment, where your perspectives and experiences matter 
  • Leaders who support your growth and success through regular feedback and coaching
  • The opportunity to work with some of the brightest minds in the industry

For future reference, please ensure to save a copy of the job description as it will no longer be available once the posting closes.

At the IESO, we know that achieving great results depends on embracing diversity by attracting, developing and retaining people from a wide variety of backgrounds. We do this by ensuring our recruitment and advancement policies are fair and equitable, and by creating an accessible and inclusive environment – one that values every team member’s unique skills and experiences and ensures they have the support they need to achieve their potential. If you require accommodation during the recruitment process, please let us know. 


We thank you for your interest in a career at the IESO, but we will only contact those candidates selected for an interview. 

Note: The successful candidate must be eligible to work in Canada and will be subject to a background check.

Join our talent community

Sign up for talent community; stay in touch, find out about new opportunities – and discover how you can make a difference. Discover how we use our expertise and commitment to deliver reliable and affordable electricity to Ontario’s businesses and communities, and how we’re innovating to secure a stronger energy future for all Ontarians. Visit Careers at IESO and be sure to follow us on LinkedIn.

Find out why we were selected as Greater Toronto’s Top 2022 Employers, and what we offer.

Top_Employer.png (150×106)