Welder Jobs in Caledon, Ontario, Canada
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Caledon, Ontario, Canada
Welder (Mechanical Technician/Technologist)
About the role
Status: Permanent Full Time
Education Level: Grade 12 or equivalent, a two-year college diploma in a related field, and a Certificate of Qualification (456A)
Base Location: Bath, ON
Shift: Days
Travel: 25%
Deadline to Apply: July 9, 2025
Salary Range: $42.82 - $66.22 Per Hour
Electrify your career and help build a brighter tomorrow.
Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us as we work to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.
Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on -- and off -- the job.
Job Overview
Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Mechanical Technician- Welder.
This position, reporting to the Supervisor, Maintenance, involves joining pieces of metal or manufactured parts using metal filler and/or pressure. The role includes constructing structures and repairing broken or cracked components according to specifications. Additionally, it requires carrying out specialized processes such as welding studs and brazing.
Key Accountabilities
Lays out, cuts, and forms metals to specifications Fits sub-assemblies and assemblies together and prepares assemblies for welding Uses three major types of welding: arc, gas, and resistance Uses various welding and cutting processes to join structural steel and cut metal in vessels, piping and other components Fabricates parts, tools, machines and equipment Joins parts being manufactured, builds structures and repairs damaged or worn parts Controls for quality before, during and after welding.
Qualifications
Grade 12 diploma or equivalent and a two-year college diploma in a related field; post-secondary welding education through a union hall or college program is preferred. Valid Certificate of Qualification 456A or 5+ years of pipe welding experience using GTAW on stainless steel and carbon steel. Minimum 5+ years of relevant experience, with transferable CWB qualifications preferred. Must pass a 6G open-root pipe test using GTAW and SMAW processes F6-F4, including visual, radiographic, and destructive examination. Willing and able to work rotating 12-hour shifts, including weekends and holidays. Strong safety and environmental compliance mindset, with problem-solving, communication, interpersonal, organizational, technical, documentation, troubleshooting, and computer skills. Able to meet jobsite requirements, including radiation protection training, contamination control, working at heights, confined spaces, hot/cold environments, lifting to 50 lb, and operating forklifts/elevated platforms; Valid Ontario G license is an asset.
The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.
OPG is committed to fostering an inclusive, equitable, and accessible environment. If you require accommodation during the selection process, please contact AODA@opg.com
What makes a career at OPG different?
With operations across Ontario, OPG is one of the most diverse power producers in North America. As the largest generator in Ontario, we meet approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro.
As we work to achieve our vision of Electrifying life in one generation, OPG and our family of companies are also helping advance the development of new low-carbon technologies such as Small Modular Reactors (SMRs), refurbishment projects, and electrification initiatives to help power the growing demands of a growing economy. Join OPG and make history.
Please submit your application online at https://jobs.opg.com/. OPG thanks all those who apply; however, only candidates considered for an interview will be contacted.
Please note: All job postings at OPG are to fill existing vacancies within our organization.
OPG may use artificial intelligence (AI) tools as part of the applicant screening process. However, applications will also be reviewed by a member of our Recruitment team to ensure a fair and thorough assessment.
The base salary range considers many factors including, but not limited to experience, education, and training, including any collective agreement requirements for union represented positions. It is not typical for the salary to be offered near the top of the range, and salary is dependent on numerous factors. For management roles, the base salary range does not represent the total compensation package. The total compensation package for regular full-time management roles includes pay-for-performance programs for annual and medium time periods. Maintaining a high-performance culture and excellence is a core expectation of every member of our leadership team and is rewarded through the established compensation framework.
OPG is committed to employment equity. As such, we encourage applicants from equity-seeking communities (Indigenous Peoples, racialized persons, persons with disabilities, and women). We strongly believe that alleviating the under-representation of equity-seeking individuals will create a stronger OPG team and allow us to better serve the needs of our diverse communities.
In order to fulfill the above-mentioned purpose, priority in hiring may be given to qualified persons who self-identify as a member of equity-seeking groups as identified in the application process. This initiative constitutes a special program under the Human Rights Code/Canadian Human Rights Act.
Not the right fit? Search for Welder jobs in Bath, Ontario, Canada
About Ontario Power Generation
At Ontario Power Generation (OPG), our power is changing the world as we strive to electrify life in one generation. As the province’s largest clean power generator, OPG operates one of North America’s most diverse generating fleets. We are now advancing several clean energy innovations, including Small Modular Reactors, low-carbon hydrogen, and energy storage, to help set Ontario and the world on the path to an electrified future, where more aspects of life – from cars to homes and industries – are powered by clean electricity. As part of this vision, we’re also focused on becoming a net-zero company by 2040 and enabling a net-zero economy by 2050. We have already made major strides to a sustainable future. In 2014, OPG burned its last piece of coal to make electricity, which represented one of the world’s single-largest climate change-specific actions. Today, through the dedication of more than 9,500 employees, OPG generates almost half of the electricity that Ontario’s homes, schools, hospitals, and businesses rely on each day. We are committed to ensuring our energy production is reliable, safe, and environmentally sustainable for Ontarians today and for the future. In Ontario, our diverse fleet includes two nuclear stations, 66 hydroelectric stations, two thermal generating stations, one solar facility, and four combined-cycle gas generating stations, which are operated by our subsidiary, Atura Power. Additionally, we own two other nuclear generating stations in Ontario, which are leased on a long-term basis to Bruce Power L.P. In the United States, OPG owns and operates 85 hydroelectric stations in 18 states through our subsidiary, Eagle Creek Renewable Energy. Some of the actions OPG is taking now to prepare for our electric future include the ongoing refurbishment and upgrades of our hydro fleet, refurbishment of our Darlington Nuclear Generating Station, which will secure 30 more years of clean, reliable, low-cost power.