1

Top Welding Jobs in Ontario (NOW HIRING)

... with top talent and harnessing our collective strengths within every aspect of our culture ... Develop Welding techniques, procedures, and application of Welding equipment, using knowledge of ...

... with top talent and harnessing our collective strengths within every aspect of our culture ... Develop Welding techniques, procedures, and application of Welding equipment, using knowledge of ...

... with top talent and harnessing our collective strengths within every aspect of our culture ... The Weld Program Manager has the overall responsibility for adherence of Aecon's QAM for welding ...

Welder/Fitter

Hamilton, ON · On-site

$27 - $29/hr

Perform Flux-Core Arc Welding (FCAW) on structural steel * Complete structural fitting and fabrication work * Read and interpret complex blueprints, shop drawings and fabrication drawings * Interpret ...

MIG Welder

Chatham, ON · On-site

$24 - $40/hr

Proven expertise in MIG welding on heavy-gauge steel. * Technical Skills: Ability to read/interpret blueprints and engineering specs fluently. * Mindset: Career-oriented individual looking for a ...

Welder

London, ON · On-site

CA$22 - CA$25/hr

... fans, top of the line welding machines and helmets and high efficiency LED lighting throughout the production floor. The Opportunity We are actively recruiting for an existing vacancy, a quality ...

Welder

London, ON

CA$22 - CA$25/hr

... fans, top of the line welding machines and helmets and high efficiency LED lighting throughout the production floor. The Opportunity We are actively recruiting for an existing vacancy, a quality ...

Recognized as one of the 2025 GTA Top Employers, we offer an environment designed for growth, world ... Support welding and cutting activities using various processes (SMAW, GMAW, FCAW, GTAW, oxy ...

Pressure Vessel Welder

Cambridge, ON · On-site

CA$30 - CA$40/hr

Set-up and operate welding and other equipment utilized in the qualified weld and fabrication areas ... Perform routine preventative maintenance as required to maintain equipment in top operational order.

... with top talent and harnessing our collective strengths within every aspect of our culture ... Use GMAW, MCAW and FCAW welding techniques on mild steel. * Operate overhead cranes, cutting ...

... with top talent and harnessing our collective strengths within every aspect of our culture ... Use GMAW, MCAW and FCAW welding techniques on mild steel. * Operate overhead cranes, cutting ...

Work closely with fitters, welders, and fabrication teams * Follow all company safety procedures and quality standards Required Experience * Minimum 5 years of structural steel fabrication or plate ...

New

next page

Showing results 1-20

Top Welding information

What is a top welder?

Top welders are highly skilled professionals who specialize in joining metal parts together using various welding techniques, such as MIG, TIG, or arc welding. They are often recognized for their expertise in producing strong, precise, and high-quality welds, often in challenging environments or on critical projects. Top welders may work in industries like construction, manufacturing, automotive, or shipbuilding, and are expected to have a thorough understanding of welding safety, materials, and blueprints. Their skills are crucial for ensuring the structural integrity and durability of metal structures and products.

What are the key skills and qualifications needed to thrive as a top welder, and why are they important?

To thrive as a Top Welder, you need advanced welding skills, a solid understanding of metallurgy, blueprints, and safety standards, typically supported by a welding certification (such as AWS or equivalent) and relevant experience. Familiarity with various welding processes (MIG, TIG, Stick), welding machines, and quality inspection tools is essential. Attention to detail, physical stamina, and strong problem-solving abilities are critical soft skills for this role. These skills ensure high-quality, precise welds and safe, efficient work in demanding industrial environments.

What are some common challenges faced by top welders in high-precision projects, and how can they overcome them?

Top welders often work on projects that require exceptional accuracy and adherence to strict safety and quality standards, such as those in aerospace or pipeline construction. Challenges include working with complex materials, maintaining weld integrity under pressure, and interpreting detailed blueprints. Overcoming these challenges involves continuous skills development, meticulous attention to detail, and effective communication with engineers and project managers. Staying updated on the latest welding technologies and safety protocols is also essential for success in this demanding role.

What is the difference between Top Welding vs Pipe Welding?

AspectTop WeldingPipe Welding
CertificationsWelding certifications (e.g., AWS Certified Welder)Welding certifications, often including specialized pipe welding certifications
Work EnvironmentConstruction sites, manufacturing plants, fabrication shopsOil & gas, plumbing, industrial piping projects, often in confined spaces
Industry UsageGeneral metal fabrication, structural steel, manufacturingPipeline construction, refineries, power plants

Top Welding and Pipe Welding share similar certifications and work environments, but Pipe Welding specializes in joining pipes for industrial applications, often requiring additional certifications and working in confined spaces. Both roles are essential in construction and manufacturing industries, with distinct focus areas.

What type of top welding is most in demand?

In top welding, the most in-demand techniques are GTAW (TIG) and GMAW (MIG) welding due to their precision and versatility. These methods are widely used in industries such as aerospace, automotive, and construction, often requiring certifications and skilled operators. The demand for skilled welders proficient in these techniques remains high across various manufacturing sectors.

What are popular job titles related to Top Welding jobs in Ontario?

For Top Welding jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Top Welding jobs in Ontario look for?

The top searched job categories for Top Welding jobs in Ontario are:

What cities in Ontario are hiring for Top Welding jobs?

Cities in Ontario with the most Top Welding job openings:

Infographic showing various Top Welding job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 69% Full Time, 24% Part Time, and 6% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.

Full-time

Re-posted 20 days ago


Job description

Come Build Your Career at Aecon!

Aecon delivers some of the most complex and impactful infrastructure projects - from transformative transportation networks to critical energy, industrial and nuclear programs. The projects we build connect communities and power future generations. With deep roots in North America and a strong footprint internationally, Aecon brings global expertise and proudly serves public and private sector clients through its Construction and Concessions segment.

Safety Always is not only our #1 core value - it is the standard that anchors our culture. We believe the most ambitious projects deserve the most committed people. At Aecon, you won't just build your career - you'll help build what matters to enable future generations to thrive.

At Aecon, you can count on:

  • Safety Always. Our number one core value. The safety of our people, projects, partners, and stakeholders is our priority focus - today and always.
  • Integrity. We lead by example, with humility and courage.
  • Accountability. We're passionate about delivering on our commitments.
  • Inclusion. We provide opportunities where people feel valued, supported, and empowered to contribute fully.

We deliver infrastructure with purpose, and our people are at the heart of everything we do. Aecon employees are incredibly proud to build some of the most impactful infrastructure of this generation - we call it Aecon Proud.

At Aecon we:

  • Ensure you and your family receive the services and benefits needed to support your mental, emotional, and physical well-being.
  • Are intentional when it comes to investing in your development. We help you build your career and advance your skills through our Aecon University, tuition reimbursement, and Leadership Programs.
  • Are committed to creating work environments focused on mutual respect, teamwork, collaboration, and new ideas, through meaningful initiatives, training, partnerships with Veteran groups, our Aecon Women in Trades and diversity programs, as well as our Employee Resource Groups (ERGs), to ensure we are building with top talent and harnessing our collective strengths within every aspect of our culture.
  • Operate responsibly by managing risk, safety, and environmental considerations across all our projects and surrounding communities.

Our success is built on the passion, expertise, and dedication of our people. Together, we embrace strong execution, innovation, and continuous improvement - values that come to life through the unique talents and collaborative spirit of every team member. If you're inspired to make a difference through future-building projects, join our best-in-class team.

What is the Opportunity?

Nuclear' s portfolio of building, refurbishing, maintaining, and decommissioning nuclear power facilities reflects a record of project success that ranges from small but essential maintenance contracts, to major construction endeavors. Aecon supports clients with expert project management to the most exacting standards.

Working with our joint venture partner Atkins Realis, Aecon Nuclear has been awarded the definition phase contract with Ontario Power Generation (OPG) to assist in planning the Pickering Retube, Feeder and Boiler replacement (RFBR) project. This project involves the refurbishment of four reactors and replacement of the forty eight steam generators at the Pickering Nuclear Generating Station.

What You'll Do Here:

  • Develop Welding techniques, procedures, and application of Welding equipment, using knowledge of production specifications, properties and characteristics of metals and metal alloys, and Weld engineering principles.
  • Provide expertise and work closely with Welders, supervisors and Welding Engineers to determine optimal Welding parameters with equipment type, process, joint configuration, and consumable selection.
  • Oversee the welding operations during the preparation of Welding Procedure Specifications (WPS), Weld Procedure Qualification (WPQ) and Procedure Qualification Records (PQR).
  • Ensuring that site conditions are suitable for the planned Welding activities prior to mobilization of Welding Operators and performing corrections as applicable with the support of the Execution Construction Team.
  • Maintain a regular job-site presence to continuously monitor and oversee in-process Welding activities.
  • Ensuring that Welding Operators are using the correct Welding procedures for the applicable Welding process.
  • Verifying that Welding Operators are adhering to issued Welding procedures.
  • Ensuring that Welding Tooling and Equipment is correctly configured for the applicable Welding process.
  • Review and verification of Weld data and results following Weld completion.
  • Lead Welding and Welding Tooling related troubleshooting activities at site.
  • Report Welding related issues, including Tooling and Human Performance issues, to Supervision.
  • Support emergent Weld Procedure Development activities.
  • As required, manage the qualification of welders for field and shop welding personnel.
  • Preparation of Aecon Technical Specifications and requisitions for Weld consumables, including Special Purchasing Instructions.
  • Ability to interpret Aecon and customer drawings, codes, standards, and procedures and communicate review findings with applicable project personnel.
  • Ensure process control is maintained throughout critical Welding activities.
  • Training of welders on weld procedures, processes and welding equipment, and the maintenance of same.
  • Review detailed drawings and determine joint configurations and Weld symbols.
  • As required, manage the qualification of Welders for field and shop Welding personnel.
  • Stay current with and introduce new technologies.

What You Bring To The Team:

  • Minimum 3 years of manufacturing/fabrication or related industry knowledge.
  • Graduate of Welding Technology Program or equivalent, or equivalent practical experience.
  • Certification as a CWB Welding Supervisor would be an asset.
  • Strong working knowledge of arc welding processes and equipment is essential.
  • Knowledge of ASME Code Section III and IX, CWB W47.1 & 2 and CSA W59, AWS D1.1/D1.6 considered an asset.
  • Certification as a CWB Welding Supervisor would be an asset.
  • Good working knowledge of NDE methods for VT/MT/PT/RT and UT.
  • Significant experience operating and supporting Orbital Welding Tooling is an asset.
  • General knowledge of Manufacturing methods and procedures.
  • Working knowledge with MS based computer applications.
  • Work well in a team environment.
  • Strong written, verbal communication and problem-solving skills.

Reason for Vacancy: New

Pay Range:  $61,000 - $109,000 per year

Individual pay is determined based on several factors, including work location, education, experience, unique skills and job conditions. Other considerations may include certifications, specialized training, and the complexity or scope of the role. 

Aecon fosters diversity, inclusion and belonging within and across our organization. We welcome all to apply including, women, visible minorities, Indigenous peoples, persons with disabilities, and persons of any sexual orientation or gender identity.

We are committed to adhering to the objectives and requirements outlined in the Accessible Canada Act (ACA), and to meeting the accessibility needs of persons with disabilities in a timely manner. Through the implementation of the requirements of the ACA and its applicable regulations, appropriate accommodations will be provided upon request throughout the interview and hiring process.

As part of our commitment to fair and transparent hiring practices, Aecon may use artificial intelligence (AI) tools to assist in screening and reviewing candidates. These tools are applied responsibly and in accordance with applicable privacy laws and Aecon's AI Usage Policy. All final decisions are made by qualified Aecon team members.