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Underground Contractor Jobs in Ontario (NOW HIRING)

Thyssen Mining Construction of Canada

CA$26 - CA$32/hr

Experience working for underground mining contractors. * First Aid Certification. * WHMIS and other site-specific safety training. Why Join Thyssen Mining? * Competitive compensation $26-32/hr plus ...

Thyssen Mining Construction of Canada

CA$27/hr

This role ensures safe, productive, and cost-effective advancement of underground development headings while providing strong leadership to crews and contractors. Key Responsibilities * Supervise ...

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All JobsUnderground Contractor JobsUnderground Contractor Jobs in Ontario

Underground Contractor information

See Ontario salary details

$9

$33

$70

How much do underground contractor jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for underground contractor in Ontario is $33.87, according to ZipRecruiter salary data. Most workers in this role earn between $18.75 and $43.75 per hour, depending on experience, location, and employer.

What is an underground contractor?

Underground contractors are specialized construction professionals who install, repair, and maintain infrastructure systems below ground level. This includes utilities such as water and sewer lines, storm drains, electrical conduits, and telecommunications cables. They are responsible for tasks like trenching, pipe laying, and ensuring projects comply with safety and regulatory standards. Underground contractors often work with municipalities, utility companies, and private developers to ensure essential services are safely and efficiently delivered to homes and businesses.

What are the key skills and qualifications needed to thrive as an underground contractor?

To thrive as an Underground Contractor, you need strong knowledge of excavation, utility installation, and safety regulations, often supported by relevant licenses or certifications in construction or heavy equipment operation. Familiarity with tools such as trenchers, backhoes, pipe lasers, and project management software is essential. Problem-solving, teamwork, and effective communication are important soft skills for coordinating crews and managing unexpected site challenges. These skills and qualifications are crucial for ensuring projects are completed safely, efficiently, and in compliance with industry standards.

What are some common challenges faced by underground contractors on construction projects?

Underground contractors often encounter challenges such as unexpected subsurface conditions, utility conflicts, and coordinating with other trades working above ground. Managing groundwater, ensuring worker safety in confined spaces, and maintaining project timelines despite weather or permitting delays are also typical hurdles. Effective communication with project managers, engineers, and municipal inspectors is crucial to address these issues quickly and keep the project on track.

What is the difference between Underground Contractor vs Excavation Worker?

AspectUnderground ContractorExcavation Worker
CredentialsOSHA certifications, specialized underground work licensesOSHA certifications, basic excavation safety training
Work EnvironmentUnderground construction sites, tunnels, utility installationsOpen trenches, surface excavation sites
Employer & Industry UsageConstruction, utility, infrastructure projectsConstruction, landscaping, infrastructure projects

Underground Contractors focus on planning, managing, and executing underground projects, often requiring specialized licenses and safety protocols. Excavation Workers perform the physical digging and site preparation, typically with less specialized licensing. Both roles are essential in construction projects but differ mainly in scope and responsibilities.

What are popular job titles related to Underground Contractor jobs in Ontario?

For Underground Contractor jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Underground Contractor jobs in Ontario look for?

The top searched job categories for Underground Contractor jobs in Ontario are:

What cities in Ontario are hiring for Underground Contractor jobs?

Cities in Ontario with the most Underground Contractor job openings:

Underground Contractor jobs near you
Infographic showing various Underground Contractor job openings in Ontario as of August 2026, with employment types broken down into 65% Full Time, 18% Part Time, and 17% Contract. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $70,448 per year, or $33.9 per hour.

Underground Electrician

Silver Lake Resources

White River, ON • On-site

Full-time

Re-posted 2 days ago

Job description

Safety / Environment

  • Ensure safe work systems/procedures are always practised and adhered to ensuring duties are performed in a manner that minimises risk to self, employees, and contractors.
  • Always maintain exemplary standard of housekeeping, safe work, incident/accident reporting & active involvement in safety initiatives to ensure a safe work environment.
  • Abide by and proactively comply with Company policies, procedures, guidelines, and systems, as well as all relevant legislation.
  • Understand and familiarise oneself with site Emergency evacuation procedures


Company / Leadership

  • Display conduct which is aligned with company Core Values, Policies and Procedures.
  • Initiate and provide input into company directives in collaboration with the Site Management team.
  • Communicate department obligations and conditions to the leadership team, ensuring specific understanding and accountability


Behaviour / Attitude 

  • Support and follow all lawful instructions/directives from direct supervisor.
  • Maintain a high level of professionalism and take responsibility for own conduct and behaviour in the workplace.
  • Ensure good, clear lines of communication between all stakeholders, including the Site Management team, co-workers and contractors


Technical & Role Accountabilities 

  •  Understand and work within guidelines of the OESC and M421
  • Ensure electrical equipment is installed and operates according to Federal, Provincial, Municipal and Company Standards
  • Ensure high voltage safety equipment well maintained
  • Troubleshoot using both single line and detailed electrical prints
  • Maintain, troubleshoot and repair underground communications
  • Review and troubleshoot instrument control logic and ladder diagrams
  • Undertake preventive maintenance processes to identify future work required
  • Mentor apprentices at all stages through their apprenticeships
  • Assist new employees/contractors until they are familiar with equipment and surroundings
  • Provide input into possible equipment improvements both to save cost and reduce maintenance downtime


Teamwork 

  • Work collaboratively with others to achieve organizational goals – both within own department and site wide
  • Leverage off and use the talent and knowledge within the team to resolve problems
  • Share gained experience and knowledge of work in progress
  • Attend and participate constructively in daily line-ups, safety meetings


Planning & Organization

  • Prioritises and completes tasks accurately as to specifications as assigned by direct supervisor within expected timeframes.
  • Proactively identifies and addresses hazards before they arise as issues.
  • Be punctual to work and all required site meetings.
  • Undertake other duties as lawfully instructed 


Experience & Qualifications

  • Current Red Seal in the Trade
  • Underground Common Core Certification
  • Able to read and use both single line and detailed electrical prints
  • Leaky feeder
  • Good understanding of instrument control logic and ladder diagrams to assist with troubleshooting
  • Able to work effectively with minimal supervision