Position SummaryMariana Minerals is seeking an experienced and detail-oriented
Senior Estimator to lead cost estimation efforts for mining and mineral processing projects. This role is responsible for developing accurate, competitive, and timely cost estimates that support strategic decision-making and project success.
Key Responsibilities- Lead the preparation of detailed cost estimates for mining, processing, and infrastructure projects
- Analyze drawings, specifications, proposals, and other documentation to prepare time, cost, materials, and labor estimate
- Utilize RSMeans data and tools to develop accurate and benchmarked cost estimates
- Collaborate with engineering, procurement, and project management teams to ensure accurate and comprehensive estimate
- Develop and maintain cost databases, benchmarks, and estimating tools
- Identify project risks and opportunities, providing mitigation strategies
- Review and validate subcontractor and supplier quotes
- Participate in bid reviews, value engineering, and project planning sessions
- Provide ongoing cost analysis and support throughout the project lifecycle
- Mentor junior estimators and contribute to continuous improvement initiatives
- Support the PCM and Software Engineering teams in developing operating systems and tools to automate estimating processes
Qualifications- 7+ years of experience in estimating within mining, heavy industrial, or construction environments
- Strong knowledge of mining operations, materials, and equipment
- Proficiency in RSMeans
- Advanced skills in Excel and data analysis
- Ability to interpret technical drawings and specifications
- Strong analytical, organizational, and communication skills
- Availability to travel 20% of the time to site or Mariana Minerals offices
Preferred Qualifications- Experience with EPC/EPCM project delivery models
- Familiarity with mining projects
Key Competencies- Attention to detail and accuracy
- Strategic thinking and problem-solving
- Ability to manage multiple priorities and deadlines
- Strong collaboration and leadership skills