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Weld Inspection Jobs in Ontario (NOW HIRING)

Welding Supervisor

London, ON · On-site

$80K - $90K/yr

Conduct in-process inspections and monitor weld quality. Support quality inspections, including visual inspections and non-destructive testing (NDT) requirements. Assist with welder qualification ...

Fit and weld all supplied materials in accordance with drawings and specifications. * Communicate ... Inspect completed welds to ensure compliance with quality standards, drawings, and specifications.

Welder

Tilbury, ON · On-site

CA$53K - CA$62K/yr

... weld. Responsibilities * Perform TIG and MIG welding on steel parts and assemblies * Read and interpret blueprints, drawings, and work instructions * Inspect finished welds for quality and accuracy

Inspect welded surfaces and structures to identify defects and ensure conformity with specifications. Deburr pieces to create appropriate welding services when necessary. * Move materials, parts ...

Fit and weld heavy structural steel and plate components according to drawings and specifications ... Inspect completed work to ensure it meets drawing and quality requirements * Follow all safety ...

... welders, they will support quality inspections, verify fabrication accuracy, maintain quality documentation, identify non-conformances, and assist with corrective actions to ensure consistent product ...

Inspect welds for quality and structural integrity, making adjustments as needed. * Maintain a ... Ability to read and interpret technical drawings and weld symbols. * Strong attention to detail and ...

TIG WELDER

Milton, ON · On-site

CA$31 - CA$36/hr

Weld and fabricate aluminum boat hulls and marine components to specification. * Read and interpret ... Conduct inspections and maintain high workmanship standards. * Assist with troubleshooting ...

Inspect welds for quality and structural integrity, making adjustments as needed. * Maintain a ... Ability to read and interpret technical drawings and weld symbols. * Strong attention to detail and ...

Company Bio Applus+ is a global leader in the Testing, Inspection and Certification sector ... Canadian Welding Bureau (CWB) Level 2 Welding Inspector certification. * Valid G Class Driver ...

Applus+ is a global leader in the Testing, Inspection and Certification sector delivering non ... Canadian Welding Bureau (CWB) Level 2 Welding Inspector certification. * Valid G Class Driver ...

Showing results 21-40

Weld Inspection information

See Ontario salary details

$10

$21

$36

How much do weld inspection jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for weld inspection in Ontario is $21.27, according to ZipRecruiter salary data. Most workers in this role earn between $17.79 and $22.84 per hour, depending on experience, location, and employer.

What is weld inspection?

Weld inspection is the process of evaluating welded joints to ensure they meet specific safety, quality, and regulatory standards. Inspectors use visual assessments, measurement tools, and sometimes advanced techniques like ultrasonic or X-ray testing to detect flaws such as cracks, porosity, or incomplete fusion. The goal is to verify that the welds are structurally sound and meet the required specifications. Proper weld inspection helps prevent failures in structures, machinery, and pipelines, ensuring reliability and safety.

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

To thrive as a Weld Inspector, you need a solid understanding of welding processes, metallurgy, industry codes, and standards, often supported by certifications such as AWS Certified Welding Inspector (CWI). Familiarity with inspection tools like ultrasonic testers, radiographic equipment, and documentation systems is crucial. Attention to detail, analytical thinking, and effective communication are important soft skills for accurately assessing weld quality and reporting findings. These skills ensure weld integrity, safety compliance, and the overall quality of construction or manufacturing projects.

What are some common challenges faced by weld inspectors on large construction projects?

Weld inspectors on large construction projects often encounter challenges such as coordinating with multiple teams to schedule inspections without disrupting project timelines, interpreting complex blueprints and welding codes, and ensuring consistent quality across varied environments. They must also document findings thoroughly and communicate effectively with welders and project managers to address any non-conformities. Navigating changing site conditions and maintaining safety standards adds to the complexity, making attention to detail and adaptability crucial for success in this role.

What is the difference between Weld Inspection vs NDT Technician?

AspectWeld InspectionNDT Technician
CertificationsASNT Level I/II, AWS Certified Welding Inspector (CWI)ASNT Level I/II, Level III, specific NDT methods certifications
Work EnvironmentConstruction sites, manufacturing plants, oil & gas facilitiesIndustrial, aerospace, power plants, manufacturing
Job FocusInspecting welds for quality, compliance, and safetyPerforming non-destructive testing methods on materials and welds

Weld Inspection primarily involves evaluating weld quality and ensuring compliance with standards, often requiring specific certifications like AWS CWI. NDT Technicians perform various non-destructive testing methods to detect flaws in materials, which may include welds. While both roles require similar certifications and work in industrial environments, Weld Inspectors focus on visual and dimensional assessments of welds, whereas NDT Technicians use specialized testing techniques to assess material integrity.

Are weld inspectors in high demand?

Weld inspectors are in high demand across industries such as construction, manufacturing, and energy, especially as skilled trades remain essential for safety and quality assurance. The job often requires certifications like AWS or ASME, and demand is expected to grow with ongoing infrastructure projects and maintenance needs.

How do you become a weld inspector?

To become a weld inspector, you typically need to complete a welding inspection training program and obtain certification from a recognized organization such as the American Welding Society (AWS). Experience in welding and knowledge of codes and standards are also important for performing inspections effectively.

Is weld inspection a good career?

Weld inspection is a stable career that involves examining welds for quality and safety, often requiring certifications such as AWS or ASNT. It offers opportunities in manufacturing, construction, and energy sectors, with a typical schedule involving on-site work and the need for attention to detail and technical skills. The profession can provide steady employment and advancement potential for those with proper training and experience.

What are popular job titles related to Weld Inspection jobs in Ontario?

For Weld Inspection jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Weld Inspection jobs in Ontario look for?

The top searched job categories for Weld Inspection jobs in Ontario are:

What cities in Ontario are hiring for Weld Inspection jobs?

Cities in Ontario with the most Weld Inspection job openings:

Infographic showing various Weld Inspection job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 2% Contract, and 2% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $44,245 per year, or $21.3 per hour.

Quality Control Mechanical Inspector

Aecon Group Inc.

Bowmanville, ON

Full-time

Re-posted 18 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?

As part of an alliance agreement Aecon Nuclear has been awarded a contract with Ontario Power Generation to support the Darlington New Nuclear Project (DNNP). Beginning in 2023 Aecon will support the validation phase design, procurement, early site preparation and site mobilization scope for the Construction of the Unit 1 Small Modular Reactor at the Darlington site.

The Mechanical Quality Control Inspector will report directly to the Quality Manager and will be responsible for the performance of all quality functions and duties as related to the mechanical construction and equipment within their specific project.

What You'll Do Here:

  • Generate and maintain mechanical construction inspection and test plans using the correct codes and customer specifications.
  • Complete all associated records to document the status and results of performed inspections.
  • Understand and interpret technical drawings.
  • Verify that material meets Purchase Order, Code, Standards requirements.
  • Initiate non-conformance reports when required.
  • Identify and segregating nonconforming items.
  • Collaborate in the development and maintenance of project specific procedures and work instructions. 
  • Collaborate with management for interface on Quality activities with internal or external organizations (customers, suppliers, subcontractors, and others).
  • Verify that calibrated equipment is used during the performance of inspection activities.
  • Support with the preparation of History File or History Docket. 
  • Promote safety awareness including adhering to safety rules and requirements.
  • Other activities as required by Management.

What You Bring to the Team:

  • Secondary school education in QA/QC or a related discipline.
  • 1-3 years' experience in mechanical field.
  • W178 Level 2 Visual Weld inspection.
  • ASME Code, B&PV plus Nuclear/ ISO 9001 and CWB experience
  • Previous experience in receiving inspections and controls would be considered an asset.
  • Self-directed, motivated team player who thrives in a fast-paced environment.
  • Proficiently with MS Office Suite.
  • Understands design and construction requirements.
  • Strong coordination and organization skills, with strict emphasis on accuracy and attention to detail.
  • Ability to communicate effectively, both verbal and written, with all internal organization departments, Alliance partners, subcontractors, and regulatory authorities.

Reason for vacancy: Replacement 

Pay Range: $35 - $50/hr

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. 

We strongly encourage applicants who identify as Indigenous to apply to work with us on the Darlington New Nuclear Project. At Aecon, Indigenous is an umbrella term for First Nations (status and non-status), Metis and Inuit.

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.