Timothy Lambert

Experience

1. Senior Mine Engineer - Midrange Planning

   Rio Tinto

   Dec 2022 — Present · Salt Lake City, UT, US

   Collaborate with stakeholders across technical, execution, and Asset Management teams to align on data-driven business objectives and present conclusions to senior management- Led O-Slide remnant remediation efforts, accelerating $50M in value for 2025 and mitigating risk to secure $1.5B cash flow in ’25 - ’26- Developed production strategies for the $335M, 200Mt waste unload Revere project, securing mine production through closure- Led the development and coordination of a stockpile and reclaim strategy to meet customer feed grade requirements enabling consistent production rates for achievement of 2025 cathode production targets. Overcame internal resistance in a cost-constrained environment- Developed and implemented revision and simplification to LOM plan and ore body resources & reserves to mitigate high-lead ore blending, environmental, and recovery risks, preserving $255M NPV and optimizing stockpile strategy under strict value stream constraints- Spearheaded a database reconciliation taskforce, identifying variance drivers and implementing corrective solutions for data integrity- Optimized pit designs to enhance operations, mitigate geotechnical risks, and ensure plan robustness ($0.5M–$50M impact)- Managed and mentored engineering teams in budget planning, five-year forecasts, quarterly production plans, process improvements, and career development- Built trusted relationships with cross-functional teams to ensure efficient plan development and buy-in

Education

• Virginia Tech

  Bachelor's degree, Mining and Minerals Engineering

  2011 — 2018

Skills

• Microsoft Powerpoint
• Management
• Event Planning
• Microsoft Word
• Autocad
• Engineering
• Leadership
• Public Speaking
• Customer Service
• Microsoft Excel
• Microsoft Office
• Social Media
• Teamwork
• Time Management