Exciting Opportunities in our Timmins Camp Galleon Gold – West Cache Gold Project Position : Lead Development Miner / Jumbo Operators Rotation : 14/14 Shift : 12 Hour shifts Potential Renumeration : KPI/Retention Bonus – Referral Bonus Travel/Accommodations/Meals : Per Site Specific Allowance Dumas has a comprehensive benefits package offering life insurance, health/dental/vision/fitness provisions, and pension and employee assistance program(s) that support your physical, mental, and financial wellbeing. Alcohol and Drug Test, Site Specific Training, Site Specific Requirements.

Artificial

Intelligence is not used during any stage of the hiring process. To be considered, you must be a Canadian citizen, or authorized in writing to work in Canada under federal immigration requirements, and currently be residing in Canada. As a Lead Development Miner/Jumbo Operator at Dumas, you will lead a development crew and operate a Jumbo drill to advance underground headings safely and efficiently.

This role involves drilling, blasting, and installing ground support while ensuring adherence to mine plans and safety standards.

Operate

Jumbo drill to cycle full rounds according to the mining plan, following geology control for minimal dilution. Lead a development crew to achieve safe and productive results.



Construct and maintain underground installations as the face advances. Ensure compliance with Dumas and site‑specific safety protocols and environmental regulations. Participate in workplace inspections and hazard assessments.

Underground Hard Rock Mining Common

Core with all required specialty modules.

Underground Hard Rock Mining Supervisory Common

Core modules are a strong asset. Minimum 3 years’ experience operating a Jumbo drill in underground development mining. Ability to cycle a full round and interpret drilling patterns accurately. Proven experience leading a development crew.

Outstanding safety record and strong mechanical aptitude. Performance-based financial rewards # Training and career development # Please send us your resume via our website at – it is significant to submit your Ministry transcripts using the “Add Portfolio” button under the additional files section at the bottom of the first page. To be considered, you must be a Canadian citizen or authorized in writing to work in Canada under federal immigration requirements, and currently be residing in Canada.

Dumas Contracting

Inc. does not use artificial intelligence to screen, assess, or select applications.

📌 Lead Development Miner / Jumbo Operator -Galleon Gold -West Cache Project (Timmins)
🏢 Dumas
📍 Timmins