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…
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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.
Industry
Mining
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
Dumas has 84 open jobs in Canada as of November 6, 2026. Top locations: Timmins, Matachewan and Toronto. Median advertised hourly rate: $71.72.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
1+ YOEDumas Contracting Ltd needs candidates with post-secondary education in HR, business or office administration, plus 1-2 years of HR or office administration experience. Strong Microsoft Office skills, attention to detail and confidentiality are required, and HRIS or payroll experience is an asset.
Microsoft Word, Microsoft Excel, Microsoft Outlook, HRIS, Payroll system
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
1+ YOECandidates need post-secondary education in HR, business or office administration, plus 1-2 years of HR or office administration experience and skill with Microsoft Office. HRIS and payroll experience is an asset, along with strong organization, attention to detail and discretion.
Microsoft Word, Microsoft Excel, Microsoft Outlook, HRIS, Payroll system
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
2+ YOECandidates need a post-secondary diploma in business administration or accounting and at least 2 years of payroll experience. They must know payroll processes and Ontario employment standards, and be strong in Microsoft Office and payroll or time-tracking software.
Microsoft Office, Microsoft Excel, Payroll software, Time tracking software
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
2+ YOECandidates need a post-secondary diploma in business administration or accounting and at least 2 years of payroll experience. They must know payroll processes and Ontario employment standards, and be strong in Microsoft Office and payroll or time-tracking software.
Microsoft Office, Microsoft Excel, Payroll software, Time tracking software
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need the Ontario Underground Hard Rock Mining Common Core and previous experience operating underground haul trucks or similar heavy equipment. A strong safety record and comfort working in confined spaces are also required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need the Ontario Underground Hard Rock Mining Common Core and previous experience operating underground haul trucks or similar heavy equipment. A strong safety record and comfort working in confined spaces are also required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
2+ YOECandidates need at least 2 years of underground mining experience, preferably in development, plus a valid Ontario Underground Hard Rock Miner Common Core certification. Strong drilling and blasting knowledge and an excellent safety record are also required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
2+ YOECandidates need at least 2 years of underground mining experience, preferably in development, plus a valid Ontario Underground Hard Rock Miner Common Core certification. Strong drilling and blasting knowledge and an excellent safety record are also required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need the Ontario Underground Hard Rock Mining Common Core and previous experience operating underground scoop trams or similar heavy equipment. Dumas also requires a strong safety record and the ability to work in confined spaces.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need the Ontario Underground Hard Rock Mining Common Core and previous experience operating underground scoop trams or similar heavy equipment. Dumas also requires a strong safety record and the ability to work in confined spaces.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
3+ YOECandidates need Underground Hard Rock Mining Common Core with specialty modules, plus at least 3 years operating a Jumbo drill in underground development. Proven crew leadership, an excellent safety record and strong mechanical aptitude are required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
3+ YOECandidates need Underground Hard Rock Mining Common Core with specialty modules, plus at least 3 years operating a Jumbo drill in underground development. Proven crew leadership, an excellent safety record and strong mechanical aptitude are required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need prior experience operating a MacLean Bolter underground, a valid Ontario Underground Hard Rock Miner Common Core certification, and strong knowledge of drilling and blasting. They must also be comfortable in physically demanding, confined spaces and have an excellent safety record.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need prior experience operating a MacLean Bolter underground, a valid Ontario Underground Hard Rock Miner Common Core certification, and strong knowledge of drilling and blasting. They must also be comfortable in physically demanding, confined spaces and have an excellent safety record.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
10+ YOECandidates need Shaft and Alimak experience, significant development mining experience, an outstanding safety record, an engineering diploma or degree (or equivalent experience), and 10+ years in mining, ideally mining services. Strong project management, leadership and communication skills are required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
10+ YOECandidates need Shaft and Alimak experience, significant development mining experience, an outstanding safety record, an engineering diploma or degree (or equivalent experience), and 10+ years in mining, ideally mining services. Strong project management, leadership and communication skills are required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need a college or university background in business, engineering, mining, marketing or communications, strong Microsoft Office and writing skills, and attention to detail. Familiarity with Sage CRM and Power BI is an asset.
Sage CRM, Power BI, Microsoft Word, Microsoft Excel, Microsoft Project, Microsoft PowerPoint
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need a college or university background in business, engineering, mining, marketing or communications, strong Microsoft Office and writing skills, and attention to detail. Familiarity with Sage CRM and Power BI is an asset.
Sage CRM, Power BI, Microsoft Word, Microsoft Excel, Microsoft Project, Microsoft PowerPoint
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
Candidates need several years of warehouse experience, a high school diploma or equivalent, and good knowledge of mine equipment and maintenance parts. Strong Microsoft Office, Excel, Sage and Guide TI skills are needed, along with excellent customer service and the ability to work independently and in a team.
Sage ERP, Guide TI, Microsoft Excel, Forklift, Microsoft Office
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
3+ YOECandidates need a Red Seal or journeyman mechanic licence and at least 3 years of heavy-duty mechanic experience, plus Ontario Underground Hard Rock Miner Common Core certification. Strong drilling and blasting knowledge, comfort in confined and physically demanding spaces, and an excellent safety record are required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
3+ YOECandidates need a Red Seal or Journeyman mechanic licence, 3+ years of heavy-duty mechanic experience, and Ontario Underground Hard Rock Miner Common Core certification. Knowledge of drilling and blasting and a strong safety record are also required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
3+ YOECandidates need a Red Seal or journeyman mechanic licence, 3+ years of heavy-duty mechanic experience, and Ontario Underground Hard Rock Miner Common Core certification. Drilling and blasting knowledge and a strong safety record are also required.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
3+ YOECandidates need a Red Seal or journeyman mechanic licence, 3+ years of heavy-duty mechanic experience, and Ontario Underground Hard Rock Miner Common Core certification. Drilling and blasting knowledge and comfort in confined, physically demanding sites are also needed.
Dumas: Dumas is part of STRACON Group, a leading provider of specialty mining services throughout North, Central, and South America.
2+ YOECandidates need at least 2 years of underground mine surveying experience, skill with MS Office, Excel, A-Mine and Deswik, and the ability to read mine plans and technical drawings. Dumas also needs a strong safety record and knowledge of mining safety and environmental regulations.
A-Mine, Deswik, Excel, MS Outlook, MS Office, survey equipment