Monday to Friday with full time hours

Central Perth CBD location

Hybrid work arrangements

About Our Client:

Rio Tinto operates the world’s largest integrated portfolio of iron ore assets. These assets include a world-class, integrated network of 15 iron ore mines, four port facilities, a 1,700 kilometre rail network and related infrastructure. Rio Tinto are expanding operations in the Pilbara to epic proportions while introducing next generation technologies to deliver greater efficiency, lower production costs and improved health, safety, and environmental performance.

About the Role

We are seeking a Specialist Estimator to join our client Rio Tinto. In this role, you will be responsible for reviewing and developing capital and operating cost estimates that align with project lifecycle stages. Working with the engineering and estimation teams, this position plays a vital role in ensuring that cost estimates meet internal standards and inform strategic project decisions.

Key Responsibilities

Review scope, schedules, and submissions in the development of cost estimates

Ensure estimate structure meets Company quality and accuracy standards

Guide consultants in preparing capital cost estimates aligned with requirements

Summarise and explain key estimate variances to management

Review owner’s team and next-phase study estimates

Maintain and develop a dedicated Company cost database

Prepare in-house cost estimates when required

Analyse trends and lessons from internal and external projects

Consolidate and coordinate final estimate deliverables for evaluations

Support tender, claim, and supplementary estimate evaluations

Skills and Experience Required

Solid understanding of project management, construction, risk, and procurement

Minimum 5 years’ experience in a similar role

Proficiency in preparing and defending cost estimates per AACE International standards

Strong analytical mindset to challenge assumptions and identify cost drivers

Skilled in preparing clear and detailed basis of estimate documents

Excellent communication and stakeholder engagement skills

How to Apply:

Click on the Apply button to submit your application or for more information please contact: WorkPac Principal Consultant: Georgia Guy on (08) 6462 1147 or [email protected] quoting the below reference number.

Job Reference Number: 7469J20256884

About WorkPac

WorkPac is Australia’s largest privately owned workforce services business with over 1.3 million registered candidates. We offer tailored solutions in recruitment, skills and career development across Mining, Construction, Healthcare and more. Our consistent promise to both candidates and clients is that choosing WorkPac is always a ‘Good Move’.

At WorkPac, we recognise we are strengthened by diversity. We are committed to providing a work environment in which everyone is included, treated fairly and with respect. We are an Equal Opportunity employer, and we encourage applications from women and Indigenous people.