DC

Dumas Contracting Ltd.

Verified Job Source

Your project. Our expertise. Common ground. | A STRACON Group Company

Toronto, Ontario

Mining
501–1,000 people

About

Dumas is a leading full-service underground mining contractor providing services to clients throughout the Americas. From concept to completion, our services cover the complete project lifecycle. This includes site development and infrastructure, mine construction, production mining and specialty engineering services. With an extensive fleet of high quality production equipment, Dumas can meet the demands of any project in any location. Underpinning our success is the commitment and expertise of our greatest asset - people. We pride ourselves on an ability to find the common ground in all our relationships: with our clients, partners and suppliers, employees, and government and community groups. That is why we position our company on a message of "Your project. Our expertise. Common ground." Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America. Our operating companies leverage state-of-the-art processes and technology to enhance outcomes at every stage of the mining life cycle for open pit and underground mines. We are a key component of the mining industry´s contribution to the global energy transition. With corporate offices in Lima, Santiago, and Toronto, STRACON Group is perfectly positioned to serve as a strategic partner to mining clients across the Americas. Our operating companies include STRACON S.A., Dumas, STRACON Tech, AMECO South America, and STRACON Engineering.

Open positions

Human Resources & Office Coordinator

On-site · Toronto

The Human Resources & Office Coordinator provides administrative support to the HR department and manages daily office operations. Responsibilities include processing employee lifecycle activities in the HRIS and coordinating office logistics such as travel, meetings, and vendor management.

Payroll Clerk

Hybrid · Timmins

The Payroll Clerk will work with the payroll team to process timely and accurate payroll, including time entry, validation, and resolving discrepancies. They will also assist with employee lifecycle documentation and support payroll administrators with hourly and salaried payroll processing.

Development Miners Galleon Gold -West Cache Project

On-site · Timmins

Perform underground development activities including drilling, blasting, scaling, and installing ground support. Operate and maintain mining equipment while ensuring compliance with safety protocols and production targets.

Haul Truck Operator (U/G) - Lalor

On-site

Operate underground haul trucks to transport ore and waste material from development headings to designated dump points. Maintain clean and safe work areas while coordinating haulage with dispatch and team members.

Development Miner -Lalor Project Fly-In Fly-Out (FIFO)

On-site

The Development Miner performs underground activities such as drilling, blasting, scaling, and installing ground support. They are also responsible for operating and maintaining mining equipment while ensuring compliance with safety and environmental regulations.

Area Manager / Project Manager

Hybrid · Timmins

The Area Manager oversees a portfolio of underground mining projects, ensuring financial, operational, and safety performance across multiple client sites. They act as the primary liaison between site management, clients, and the corporate office to align project execution with company strategy.

MacLean Bolter Operator - Owl Creek

On-site

Operate MacLean bolting equipment to install primary and secondary ground support in underground development headings. Ensure compliance with safety protocols and conduct routine equipment maintenance to meet production targets.

Area Manager / Project Manager

Hybrid · Timmins

The Area Manager oversees a portfolio of underground mining projects, ensuring financial, operational, and safety performance across multiple client sites. They act as the primary liaison between site management, clients, and the corporate office while providing leadership in strategic planning and resource management.

Jumbo Operators - Lalor Fly-in Fly-out (FIFO)

On-site

Operate jumbo drills to perform accurate development drilling and install ground support according to site specifications. Ensure compliance with safety protocols and conduct routine equipment maintenance to meet production targets.

Buyer

Hybrid · Timmins

The Buyer is responsible for sourcing and purchasing materials, equipment, and supplies while ensuring cost-effectiveness and adherence to company policies. They will manage vendor relationships, negotiate contracts, and coordinate with internal departments to meet operational demands.

Lead Development Miner / Jumbo Operator -Ore Headings

On-site

The Lead Development Miner operates a Jumbo drill to advance underground headings while leading a crew to ensure safe and productive results. Responsibilities include drilling, blasting, installing ground support, and maintaining compliance with safety and environmental protocols.

Engineer in Training - Operations

On-site

The Engineer in Training will support project controls by managing project schedules, budgets, and financial forecasts while ensuring accurate data collection for business intelligence. They will also engage in contract management and collaborate with site leadership to monitor key performance indicators and project metrics.

Purchasing Manager

On-site · Timmins

The Purchasing Manager is responsible for the tactical procurement of commodities, equipment, and services while maintaining strategic relationships with suppliers. They coordinate with warehouse and site supervisors to manage inventory levels and oversee the full procurement lifecycle including contract administration.

Legal Counsel

Hybrid · Toronto

The Legal Counsel will provide comprehensive legal support across corporate, commercial, governance, and employment matters for operations in the Americas. This role involves drafting and negotiating complex agreements while collaborating with executive leadership and external counsel to mitigate operational risks.

Raise Miner

On-site

The Raise Miner is responsible for developing vertical or inclined openings and installing critical infrastructure such as ventilation systems, manways, and utility services. They must ensure safe access, proper airflow, and operational efficiency while adhering to safety protocols and environmental regulations.

Tax Analyst

Hybrid · Toronto

The Tax Specialist is responsible for preparing tax compliance, managing tax audits, and developing the company's overall tax strategy. They will handle indirect tax obligations, annual T2 returns, and provide tax advisory support for operations.

Safety & Training Coordinator

On-site · Timmins

The role involves promoting a strong safety culture and ensuring compliance with health, safety, and environmental regulations. Key duties include coordinating site orientations, conducting incident investigations, and training underground equipment operators.