The Role 


Are you a talented Senior Mining Estimator seeking an opportunity to work in a dynamic business that puts “People First”. This role is located in our modern West Perth Office with end of trip facilities.

Reporting to the Estimating Manager the Senior Estimator responsibilities include:

Taking a lead role in the bidding process from design brief, through to the coordination of the tender team, client interviews and project handover, visiting sites and assisting with mine scheduling and project resourcing requirements, supporting operations with value engineering concepts and adding value to the possible solutions of clients and suppliers with innovative ideas.


Secure your future with WA’s number 1 Contractor


MACA is a leading integrated contracting services group specialising in mining, civil construction, infrastructure, and mineral processing.

We strive to be the best by investing in our people, understanding our clients' needs, and having a relentless focus on continuous improvement. Our social responsibility is what drives us, and we make an impact through contributions and support we give our communities.


To be successful in this role, you will possess:


  • A qualification in engineering, mine surveying, construction management or quantity surveying is desirable
  • A combination of 10+ years total experience in estimating and project work in the WA mining industry
  • Understanding of mine planning and scheduling
  • Strong ability in analysing estimates and developing innovative solutions to refine estimates.
  • Proficiency in Alastri Software Suite


What we will offer you:


  • Culture - People are the key to the success of MACA, and we back that up with support of each person to be successful in their role and also to give opportunities to progress to more responsibility.
  • Variety – MACA is the leading Mining/Civil contractor in Australia – you will be supporting all manner of projects across the country.
  • Benefits – A very competitive salary – plus a large suite of salary sacrificing options through a third-party provider and a range of corporate discounts.

There are many long-term opportunities available across our business, and more on the horizon. There is always room to grow and develop into the professional you want to be with MACA!

We offer all this and more, Because We Care.


If you want to come with us on our journey, apply with us today!


We’re ready when you are.


MACA is an equal opportunity employer and strongly encourages all females and Aboriginal and Torres Strait Islander applicants.