RES reviews

3.4

57% would recommend to a friend

(339 total reviews)

Eduardo Medina

84% approve of CEO

37% positive business outlook

RES has an employee rating of 3.4 out of 5 stars, based on 339 company reviews on Glassdoor which indicates that most employees have a good working experience there. The RES employee rating is in line with the average (within 1 standard deviation) for employers within the Energy, Mining & Utilities industry (3.7 stars).

Reviews by job title

339 reviews
3.0
Feb 17, 2026

Average

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Variety of work is good

Cons

Not massively flexible and tight on spend for employees to train/learn/attend sites for jobs

avatar
RES Response
4mo
Thank you for your feedback. We’re glad you value the variety of work at RES. As we balance growth and changing market conditions, we continue to evaluate how we support flexibility, development, and learning opportunities across the organization. We appreciate you sharing your perspective.
4.0
Jan 26, 2026

Great company with some quirks

Recommend
CEO approval
Business Outlook

Pros

Genuine culture that cares about progressing a sustainable energy transition. Good pay and benefits, highly capable colleagues

Cons

Outdated business systems, lack of process and professionalism

avatar
RES Response
4mo
Thank you for your feedback. We’re glad you valued the culture, mission, and strong colleagues at RES. As we continue to grow, we remain focused on evolving how we operate to best support our people and the energy transition ahead. We appreciate you sharing your perspective.
3.0
Jan 21, 2026
Recommend
CEO approval
Business Outlook

Pros

Flexible Hours, parking at office

Cons

Consistently working overtime due to high work load

avatar
RES Response
5mo
Thank you for taking the time to share your experience. We encourage you to speak with your manager regarding your workload.
Viewing 10 - 12 of 339 Reviews

Glassdoor has 394 RES reviews submitted anonymously by RES employees. Read employee reviews and ratings on Glassdoor to decide if RES is right for you.