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What you'll do Reporting to the Principal Estimator, you will play a key role in preparing competitive and accurate tender submissions while providing valuable commercial and technical insights to support business growth.
Key responsibilities Lead the development of detailed cost estimates and tender submissions for mining projects.
Work closely with mine planning engineers to optimise mine plans for tender opportunities.
Analyse direct costs, overheads, production data, and site performance to inform tender pricing.
Support project budgeting activities and identify opportunities to improve operational cost effectiveness.
Apply commercial and contractual knowledge to ensure estimates align with project requirements.
Collaborate with stakeholders across engineering, finance, legal, operations, and project teams.
Contribute to continuous improvement initiatives and support knowledge sharing across the estimating team.
Champion Thiess' commitment to safety, sustainability,



and operational excellence.
What you'll bring You'll be a commercially minded mining professional who combines robust technical expertise with exceptional analytical and stakeholder engagement skills.
Relevant tertiary qualifications in Mining Engineering, Civil Engineering, Surveying, or a related discipline.
8+ years' experience within a mining engineering environment.
Experience working on large-scale open-cut and/or underground mining operations.
Strong mine design, planning, and scheduling experience.
Demonstrated experience developing mining tenders and cost estimates.
Knowledge of mining principles, operations, and relevant regulatory requirements.
High proficiency with mine planning, design, scheduling, and estimating systems, including CATS.
Advanced analytical skills with the ability to connect technical outcomes to commercial performance.
Strong communication and stakeholder management capabilities.
What we offer Flexible, hybrid work model Supportive, inclusive culture that values innovation and continuous improvement Opportunity to work with an amazing team on a high impact project Collaborative, values-led culture with a global reach.
Access to leading-edge technology and systems.
Competitive salary and employee benefits package

📌 Senior Mining Estimator (Sydney)
🏢 Cimic
📍 Sydney