CareerPlan

Tunnelling Senior Estimator

Sydney, New South WalesFull-time2026-10-14 → 2026-11-12
Based in Australia

Core

Lead the preparation of detailed cost estimates for major tunnelling, underground works, shafts, and associated civil infrastructure projects.

Role type

Senior IC tunnelling estimator

Builds

Competitive and commercially sound bids for major transport, rail, defence, and underground infrastructure projects

Domain

Heavy civil construction / Tunnelling / Infrastructure

Required skills

Tunnelling estimating, First-principles estimation, Geotechnical risk assessment, Tender documentation interpretation, Subcontractor pricing negotiation, Bid governance, Value engineering, Mentorship

Preferred skills

Experience in rail or defence projects, Engineering or Construction Management background

Technologies

None stated

Responsibilities

Lead preparation of detailed cost estimates for tunnelling and underground works; Develop estimating methodologies and pricing strategies; Review tender documentation and geotechnical information; Coordinate inputs from engineering, planning, and commercial teams; Engage with subcontractors for competitive pricing; Participate in bid governance and client discussions; Mentor junior estimators

Seniority

Senior, hands-on IC