Sr. Freeze Plant Operator

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At Cameco we understand the value of a diverse workforce and we embrace, encourage and support workplace inclusion and diversity. New ideas, perspectives, experiences, and expertise make Cameco stronger. We are committed to building a diverse workforce reflective of the communities we operate in. Our vision is to create a culture where inclusion is the goal, and a diverse and representative workforce is our measure of success. Cameco is committed to providing an inclusive selection process, free from systemic barriers. support employment equity and encourage all members of underrepresented groups (i.e., women, Indigenous peoples, persons with disabilities and members of racialized groups/visible minorities) to voluntarily disclose. Cameco welcomes applicants from all backgrounds, abilities, and experiences to apply.

About Us

Cigar Lake, located in northern Saskatchewan, is the world’s highest-grade uranium mine. The uranium produced at Cigar Lake is used for nuclear fuel products, which utilities around the world rely on to generate safe, reliable, emissions-free nuclear power. Cameco is one of the largest global providers of the uranium fuel needed to power a secure energy future.

The Role

Cameco is looking for a motivated individual to join our production and technical services team at the Cigar Lake operation in northern Saskatchewan. As a member of the production and technical services team, you will be responsible for the safe operation of our site’s ammonia freeze plants.

In this role, you will:

• Start/stop compressors as required, perform routine maintenance, troubleshoot, and conduct operator care rounds in a variety of environments
• Assist in the operation and oversight of the freeze well system, maintaining daily coordination and communication with supervisors and trades personnel as needed
• Enter daily reports into a computerized database
• Create work orders and notifications in SAP

Required:

• minimum Grade 12 education or equivalent;
• refrigeration Engineer certification; must be registered with TSASK as a Refrigeration Engineer or able to obtain registration within 6 months of start date;
• minimum 3 years of experience operating a refrigeration plant, preferably an ammonia-based system;
• good written and verbal communication skills;
• excellent safety record; and
• work a rotational schedule and commute to site by aircraft.

Recommended:

• 3rd year Power Engineering or 3rd year (or greater) Journeyperson Refrigeration Mechanic;
• experience with ammonia-based refrigeration systems;
• experience with SAP, SIGGA, Bentley, or similar software; and
• comfortable using Microsoft Office/MS365 software.

Conditions of Employment:

• Pre-employment substance test
• Certificate verification

Cameco is proud to offer a competitive total reward package which includes:

• competitive compensation program with base and variable pay;
• flexible health, drug, dental, and vision plan with a health spending and personal spending account;
• fixed benefits including employee and dependant life, AD&D, disability benefits and paid vacation leave;
• Employee and Family Assistance Programs;
• RRSP and RPP matching program; and
• career development opportunities.
  
  

Cameco is an employment equity employer and aims to achieve gender parity, and as such, preference will be given to qualified members of equity groups. We are strengthened by the diverse backgrounds of experiences and encourage applicants with various levels of expertise to apply, as equivalent combination of education and work experience are considered.

This position is eligible for the employee referral bonus.

Req ID #: 42653

Posted: October 22, 2026

Posting end date: November 12, 2026
Salary: $134,281

Safety Sensitive Site

Preference will be given to Residents of Saskatchewan’s North (RSN).

The physical and psychological safety of our employees is a top priority at Cameco. We invite candidates to voluntarily disclose accommodation requirements, if contacted in relation to a job opportunity. Information received will be addressed confidentially and Cameco’s Workplace Inclusion and Accommodation Program document is available upon request. Successful candidates for all positions that will work at Safety Sensitive Sites or Safety Sensitive Positions must take and pass a Substance Test, which includes marijuana, as a condition of employment. Marijuana remains in a user’s system for about 30 days, so applicants who recently used marijuana recreationally should not expect to pass a substance test.