Does IESO pay their employees well?

According to anonymously submitted Glassdoor reviews, IESO employees rate their compensation and benefits as 4.5 out of 5. Find out more about salaries and benefits at IESO. This rating has been stable over the past 12 months.

How satisfied are employees working at IESO?

84% of IESO employees would recommend working there to a friend based on Glassdoor reviews . Employees also rated IESO 4.3 out of 5 for work life balance, 4.1 for culture and values and 4.0 for career opportunities.

What are the top reviewed jobs at IESO?

Analyst (17) , Intern (15) , Supervisor (8) , Advisor (5) , Business Analyst (4) , Developmental Student (4) , Engineer (4) , Co-Op Student (3) , Coop Student (3) , Engineering Co-Op (3) , Junior Market Analyst (3) , Power Systems Analyst (3) , Communications Advisor (2) , Development Student (2) , Junior Analyst (2)

What are the pros of working at IESO according to real employee reviews?

"People are nice and easy to work work" ((in 27 reviews)); "gives good work life balance" ((in 24 reviews)); "Flexibility and good pay" ((in 19 reviews)); "Good Benefits and worklife balance" ((in 18 reviews)); "Salary is good" ((in 14 reviews))

What are the cons of working at IESO according to real employee reviews?

"Management has no vision, promotions are a popularity contest, low management mostly incompetent at managing" ((in 6 reviews))

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IESO reviews

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4.2

84% would recommend to a friend

(125 total reviews)

Lesley Gallinger

99% approve of CEO

67% positive business outlook

Ratings by category

4.5

Compensation and benefits

4.3

Work/Life balance

4.1

Culture & values

4.0

Diversity & inclusion

4.0

Career opportunities

3.8

Senior management

IESO has an employee rating of 4.2 out of 5 stars, based on 125 company reviews on Glassdoor which indicates that most employees have an excellent working experience there. The IESO employee rating is in line with the average (within 1 standard deviation) for employers within the Energy, Mining & Utilities industry (3.7 stars).

Ratings by demographic groups

Race / Ethnicity

Gender

Sexual orientation

Disability

Parent or family caregiver

Reviews by job title

125 reviews

5.0

Jan 31, 2023

Hi

Customer service representative

Recommend

CEO approval

Business Outlook

Pros

Talking to all the customers

Cons

Manager was very nasty to us

5.0

Aug 3, 2022

Very exiting

Data center technician

Recommend

CEO approval

Business Outlook

Pros

It's a great company to work for, the supervisors always had your back

Cons

Alot of time wasted on planning

5.0

Mar 6, 2026

Work

Sytem analyst

Recommend

CEO approval

Business Outlook

Pros

Great Company to work with

Cons

work from home will not an option soon

Viewing 1 - 3 of 125 Reviews

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Jobs at IESO

Windows Server Infrastructure Specialist

Mississauga

CA$111K - CA$159K /yr

CA$111K - CA$159K /yr

(Employer provided)

View job

Specialist Information Security (Governance)

Mississauga

CA$111K - CA$159K /yr

(Employer provided)

View job

Analyst Program Performance

Specialist Systems Analysis

Oakville

CA$111K - CA$159K /yr

(Employer provided)

View job

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Very exiting

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