CareerPlan

Senior Specialist Cost Estimator

Brisbane, QueenslandFull-time2026-10-29 → 2026-11-11

Core

Provide independent cost assurance and commercial insight to validate vendor estimates and strengthen investment decisions for Rio Tinto's portfolio.

Role type

Senior Specialist Cost Estimator (IC)

Builds

Investment plans, governance outcomes, and portfolio planning for major capital initiatives

Domain

Mining and resources (large-scale capital projects)

Required skills

cost estimating, commercial analysis, investment planning, governance, risk management, validating third-party estimates, reviewing commercial proposals, structured estimation methodologies, financial analysis, project controls

Preferred skills

contract management, portfolio governance, enterprise transformation, stakeholder relationship building

Technologies

AACE, ICEC

Responsibilities

Validate vendor-provided cost estimates and pricing structures; Assess cost drivers and estimation methodologies; Provide independent challenge and cost assurance; Support investment approvals and governance forums; Ensure estimates meet quality and transparency standards; Partner with commercial, procurement, and finance teams to validate assumptions; Highlight commercial implications and pricing risks early; Identify recurring estimation issues to improve forecasting.

Seniority

Senior, hands-on IC