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Senior Mining Engineer​/Project Estimator

Job in Toronto, Ontario, C6A, Canada
Listing for: Dumas Contracting Ltd.
Full Time position
Listed on 2026-02-14
Job specializations:
  • Engineering
    Civil Engineering, Estimator
  • Construction
    Civil Engineering, Estimator
Job Description & How to Apply Below
Position: Senior Mining Engineer / Project Estimator
Department:  Corporate

Location:

Timmins or Toronto, ON

Reports to:

Vice President Technical Services & Business Development

PURPOSE & SCOPE OF POSITION:
Dumas is a leading full-service mining contractor operating in the Americas. The company’s client list includes some of the world’s largest and most respected mining companies.

Dumas is the contractor of choice for the most technically challenging underground projects, including mine construction, full-scale mine development, production mining, mine services and engineering.

Senior Mining Engineer & Project Estimator is responsible for the development of detailed multi-disciplinary capital cost estimates, conceptual estimates, defined project estimates and accompanying schedules and project methodologies for engineering and tendered contracts for underground mining projects which are intended to ensure continued growth of the company.

This role should be considered to have significant interaction with all company departments including operations, engineering, and project management.

SPECIFIC

DUTIES AND RESPONSIBILITIES:

Determine scope of work and define contractual requirements for the estimate to ensure Dumas is submitting competitive tender packages.

Attend site visits and collect the required information in order to carry out estimates.

Interact with all Dumas departments and external suppliers to obtain material / equipment prices and analyze comparative pricing.

Determine the original work schedule on which the bid estimate is assembled.

Prioritize & plan tender process to ensure bid is submitted on time.

Suggest and calculate alternative contract forms relating to specific tenders

Perform other duties as may be assigned.

Based on experience & knowledge, after analyzing bid scope, identify work that can be done concurrently to maximize utilization of resources & maximize return on bid.

Ensuring bids prepared are competitive and provide required rate of return for Company.

Constantly keeping abreast of market value of manpower and equipment resources

Constantly monitoring equipment & material costs.

Developing best-in-class estimating templates and processes aligned with Dumas’ Estimating platforms.

COMPETENCIES, SKILLS, & KNOWLEDGE:

Must have mastered the use of specialized underground estimating software packages such as Hard Dollar that have been modified specifically for the underground mine contracting business.

Bilingualism is considered an asset (French, English, Spanish etc)

Previous underground project experience, especially related to shaft, development, raising and construction and projects.

AutoCAD experience, up to and including 3D modelling of underground excavations.

Experienced in the design of drilling patterns and explosives loading for all types of underground excavations.

Design of excavation sequences for underground mines.

Scheduling software such as Primavera P6 or MS Project

Advanced computing skillset

REPORTING RELATIONSHIPS:

Reports To:

Vice President Technical Services & Business Development

Manager Once Removed:
President and COO

Number of Direct Reports: 0

DIMENSIONS:

Operating Budget:

Net Production:

Collections:

WORKING CONDITIONS:

Physical Effort:
Minimum

Physical Environment:
Minimum

Sensory Attention:
Moderate

Thank you for your interest in this career opportunity with Dumas Mining. 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.

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Position Requirements
10+ Years work experience
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