Introduction

We are partnering with a leading global oil & gas business to recruit an experienced Estimator to join their Capital Projects team in Perth.

This is an opportunity to work across a diverse portfolio of major capital projects, supporting scopes of varying size and maturity and helping deliver consistent, high-quality cost estimates, assurance processes and project controls outcomes.

What are you going to do 

As Estimator, you will provide specialist cost estimating support across the capital projects portfolio, working closely with project teams, contractors and key internal stakeholders.

You will be responsible for developing and assuring project cost estimates throughout the project lifecycle, supporting cost and schedule risk assessments and ensuring estimating activities are aligned with established project management and cost engineering standards.

Key responsibilities will include:

  • Develop cost estimates across all project phases and classes of estimate.
  • Prepare and maintain comprehensive Basis of Estimate (BoE) documentation.
  • Develop estimate plans for various phases of capital projects.
  • Coordinate and review contractor and owner cost estimates.
  • Critically review contractor estimates, productivity assumptions, resource requirements and unit rates.
  • Support Integrated Cost and Schedule Assurance (ICSA) reviews and assurance activities.
  • Participate in cost and schedule risk assessments, including probabilistic risk analysis and contingency setting.
  • Develop and maintain project cost risk models.
  • Undertake contract cost evaluations, cost change analysis and cost trending.
  • Manage estimate change logs and incorporate project risks, vulnerabilities and opportunities.
  • Support the development of Work Breakdown Structures (WBS) and Cost Breakdown Structures (CBS).
  • Ensure estimates remain aligned with project schedules, resource plans and funding requirements.
  • Support project Management of Change (MOC) processes.
  • Undertake project cost benchmarking and incorporate lessons learned from previous projects.
  • Support Business Planning, annual budgeting cycles, monthly expenditure reporting and funding requests.
  • Contribute to Joint Venture Work Program and Budget activities where required.
  • Maintain estimating databases including cost data, unit rates, productivity factors and project metrics.
  • Produce high-quality estimating, budgeting and project funding documentation.
  • Identify opportunities to continuously improve estimating processes, systems, playbooks and digital analytical tools.
  • Utilise emerging technologies, including AI-enabled tools, to support continuous improvement within cost engineering.
  • Work independently with project interfaces and stakeholders to identify and resolve cost-related issues.

Essential skills and knowledge

We are looking for an experienced cost estimating professional with a strong background supporting major capital projects within the oil & gas industry.

You will ideally bring:

  • Comprehensive experience within the onshore and offshore oil & gas sector.
  • Experience supporting upstream, subsea, wells and/or downstream facilities.
  • Strong technical capability across cost estimating, cost management and cost analysis.
  • Experience with probabilistic cost and schedule risk analysis and contingency development.
  • Experience supporting major capital projects and an understanding of established project development and project controls processes.
  • Previous exposure to large-scale oil & gas projects valued in the USD $1bn-$10bn range will be highly regarded.
  • Strong understanding of the relationship between estimating, planning, scheduling, budgeting and cost control.
  • Experience reviewing and challenging contractor estimates and assumptions.
  • Strong stakeholder engagement, communication and collaboration skills.
  • The ability to operate effectively within a complex matrix organisation.
  • A proactive, solutions-focused approach and demonstrated ability to deliver outcomes within major capital project environments.
  • A continuous improvement mindset and willingness to challenge established ways of working.

What we offer 

  • Work for a highly global organisation
  • Contribute to a significant portfolio of oil & gas capital projects
  • Salary sacrificing
  • Employee Assistance Program (EAP)
  • Corporate discounts

About Brunel:

Brunel is a recruitment and flexible workforce solution provider which connects talented people with opportunities throughout Australasia and around the world. We specialise in highly skilled roles across a variety of technical, professional, trades and craft disciplines, pairing candidates with industry-leading projects and organisations on a contract, permanent or secondment basis.

Operating in Australasia since 1997, Brunel has major bases of operation in Perth, Sydney, Brisbane, Melbourne and Port Moresby, which are further backed by the strength and reach of a truly global network spanning over 45 countries, 120 offices and 50 years of successful operation.

Brunel is proud to be equal opportunity employer and encourages applications from Aboriginal and Torres Strait Islander and female candidates.

Click the link to apply or email your CV direct to Michael Shirley at m.shirley@brunel.net

Closing: 10 September 2026

Apply Now

Are you the perfect match for this vacancy? Apply in 5 minutes and let's get in touch!

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Process of your application

Application process & contact

We will now begin examining your application: We will take a close look at your application documents and ask you for additional information if necessary. If your qualifications match our requirements, we will invite you to meet us for the first time.

Project discussion with our customer

If the introductory meeting goes well for you and us, we will arrange a meeting with the customer who has the perfect project for you. This gives you the opportunity to find out more about the customer and the project.

The decision

If you enjoyed the project discussion and the customer is also convinced of your expertise, we will ask you the final and decisive question: Do you want to get started at Brunel?

Introductory conversation with Brunel

In an introductory meeting, we would like to find out more about your interests, ambitions and professional developments. At the same time, we report on working at Brunel and provide information about all career opportunities and prospects.

Welcome to Brunel

Now great times are beginning! With Brunel you have countless opportunities to help shape technological progress. You decide how your career path goes. We support you in every phase of your career. You always have security behind you: Brunel!