Posted 10 months ago
Development Miner (Jumbo Operator) - Timmins West
@ Dumas
Canada
Overview
Dumas is hiring a Development Miner (Jumbo Operator) for its Timmins West project on a 4-5-5-4 rotation with 10-hour shifts. The role operates jumbo drills for underground development drilling and installs ground support. the posting mentions a KPI bonus, referral bonus and a site-specific allowance.
Responsibilities:
- Operate jumbo drills for underground development headings
- Install bolts and mesh for ground support
- Perform pre-operational checks and routine maintenance
- Participate in workplace inspections and hazard assessments
- Communicate with supervisors to meet production targets
Requirements summary:
- Previous underground jumbo drill experience
- Ontario Underground Hard Rock Miner Common Core certification
- Knowledge of drilling and blasting
- Ability to work in confined, demanding environments
- Strong safety record
Tools & skills
Benefits mentioned
Source and dates
Employer career site / ATS feed · jobvite
- Employer posting date
- 2026-01-13
- First seen by our source
- 2026-10-09
- Source record updated
- 2026-10-13
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Department | Construction trades |
| Work setting | Plant or factory |
| Position | Sitting and standing |
| Physical demands | physical high · computer none |
| Licences & certifications | Ontario Underground Hard Rock Miner Common Core |
| Background checks | drug and alcohol |
| Perks mentioned | Retirement plan, Performance bonus, Wellness, Home office allowance |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Dumas
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
Your project. Our expertise. Common ground. | A STRACON Group Company
Full company description
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.
- LinkedIn followers
- 27,548
- People associated on LinkedIn
- 711
- Reported office locations
- Royal Bank Plaza, South Tower, Suite 2301, 200 Bay Street, Toronto, Ontario M5J 2J1, CA
- 865 Mountjoy Street South, Timmins, Ontario P4N 7W7, CA
- 1399 chemin Sullivan, Val d-Or, Quebec J9P 6V6, CA
- Edificio Neptuno, Avenida José Pardo 138, Piso 8, Miraflores, Lima 18, PE
- Periférico de la Juventud #6106, Primer Piso Local 4, Col. Arcadas C.P. 31215, Chihuahua, Chih, MX
- Business categories
- Mining
- Precious Metals
- Insurance
- Other recorded names
- Grupo Minero Dumas Mexico SA de CV
- Dumas
- Dumas Contracting Ltd.
- Specialties
- Mine Construction
- Mining Production
- Mine Development
- Mine Services and Engineering
- Shaft Sinking
- and Lateral Development
- Profile identifies a recruitment agency
- No
- Reported total investment
- 0
Currency and observation date were not supplied; this is not a current valuation or a funding round.
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…
| Field | Value |
|---|---|
| Industry | Mining |
| Company size | 1,001-5,000 employees |
| Headquarters | Toronto, Ontario |
| Organization type | Privately Held |
| Year founded | 1994 |
| Specialties | Mine ConstructionMining ProductionMine DevelopmentMine Services and EngineeringShaft Sinkingand Lateral Development |
| Open jobs on Jobsy | 84 |
| View page |
Position: Development Miner (Jumbo Operator)
Project: Timmins West
Rotation: 4-5-5-4
Shift: 10HRs
Wage:
Potential Renumeration: KPI Bonus – Referral Bonus
Travel/Accommodations/Meals: Per Site Specific Allowance
Benefits: 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.
Pre-Employment Requirements: Alcohol and Drug Test, Site Specific Training, Site Specific Requirements.
Screening: All applications are reviewed by the Recruitment Department; Artificial Intelligence is not used during any stage of the hiring process.
Eligibility: 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.
About the Role:
As a Jumbo Operator with Dumas, you will be responsible for the safe and efficient operation of jumbo drills to perform underground development drilling. This role is critical to advancing mine development while maintaining strict adherence to safety and operational standards.
Key Responsibilities:
- Operate jumbo drills to perform accurate drilling for development headings according to line and grade specifications.
- Install ground support as required, including bolts and mesh.
- Ensure compliance with Dumas and site-specific safety protocols and environmental regulations.
- Conduct pre-operational checks and routine maintenance on equipment, reporting all issues promptly.
- Communicate effectively with supervisors and team members to meet production targets.
- Participate in workplace inspections and hazard assessments.
- All other duties as assigned by leadership
Qualifications:
- Previous experience operating jumbo drills in an underground mining environment.
- Valid Ontario Underground Hard Rock Miner Common Core certification.
- Strong knowledge of drilling and blasting techniques.
- Ability to work in physically demanding and confined environments.
- Excellent safety record and commitment to safe work practices.
Take on the challenges and rewards of a career that will take you far.
Why Dumas?
- Excellent compensation and comprehensive benefits
- Performance-based financial rewards
- Commitment to health and safety
- Training and career development
- Global opportunities
Submit Your Application:
Please send us your resume via our website at www.dumasmining.com – it is important to submit your transcripts using the “Add Portfolio” button under the additional files section at the bottom of the first page.
Thank you for your interest in this career opportunity with Dumas Contracting Ltd. 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. is committed to an environment that is barrier free. If you require accommodation during the hiring process, please inform us in advance so that we can arrange reasonable and appropriate accommodation.
We appreciate the interest of all applicants; however, only those candidates selected for an interview will be contacted. Dumas Contracting Inc. does not use artificial intelligence to screen, assess, or select applications. This advertisement is for an existing vacancy.
The above reflects the general duties considered to describe the principle functions of the job and shall not be construed as a detailed job description of all work requirements that may be inherent in the job. This description is for the purpose of information only. It is understood that the terms or conditions of the job are subject to change as may be deemed necessary by the Company to maintain a safe and efficient operation.
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