Senior Estimator: Mining and Processing Cost Lead

Mariana Minerals; Georgia; On-site; USD 110,000 - 170,000; Full time

Job summary

Mariana Minerals is seeking a Sr. Estimator to lead cost estimation efforts for mining and mineral processing projects. You will develop accurate, competitive cost estimates and support strategic decision-making throughout the project lifecycle.

The role requires 7+ years in estimating within mining or heavy industry, with strong RSMeans and Excel skills. Travel up to 20% to sites or offices is expected. You will collaborate across engineering, procurement, and project management teams to ensure

Qualifications

• 7+ years of estimating experience in mining, heavy industrial, or construction environments.
• Strong knowledge of mining operations, materials, and equipment.
• Proficiency with RSMeans data/tools for cost estimating.
• Advanced Excel and data analysis skills; ability to interpret technical drawings and specs.

Responsibilities

• Lead the preparation of detailed cost estimates for mining, processing, and infrastructure projects.
• Analyze drawings, specifications, proposals, and other docs to prepare time, cost, materials, and labor estimates.
• Utilize RSMeans data and tools to develop accurate and benchmarked cost estimates.
• Collaborate with engineering, procurement, and project management to ensure accurate estimates.
• Develop and maintain cost databases, benchmarks, and estimating tools.
• Identify project risks and opportunities and provide 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 process improvements.
• Support software teams in automating estimating processes.

Skills

7+ years estimating experience

Mining operations knowledge

Analytical skills

Communication skills

Travel availability 20%

Tools

RSMeans

Excel

Data analysis tools

Job description

Mariana Minerals is seeking a Sr. Estimator to lead cost estimation efforts for mining and mineral processing projects. You will develop accurate, competitive cost estimates and support strategic decision-making throughout the project lifecycle.

The role requires 7+ years in estimating within mining or heavy industry, with strong RSMeans and Excel skills. Travel up to 20% to sites or offices is expected. You will collaborate across engineering, procurement, and project management teams to ensure