Senior Estimator - - 257532

Position Information

Ref #

300042111

Region

Perth, WA

Classification

Professionals

Date Posted

25-Jun-2026

Description & Requirements

The role of a Senior Estimator will see you working from our head office in Victoria Park, providing critical support in the preparation and submission of competitive tenders and proposals for our Engineering Construction division.

You will be involved across the full tender lifecycle and will also involve close collaboration with project managers, engineers, planners, and commercial teams to ensure estimates are accurate, commercially sound, and aligned with delivery strategies.

Our Engineering and Construction division provides large-scale multidisciplinary project management and construction services. Our delivery of high-quality work within the resources sector has earnt us a solid reputation and enviable relationships with some of the industry’s leading operators.

Working with Monadelphous offers many benefits, some of which include:

Working full-time, Monday to Friday in Victoria Park
Ongoing training, career development and regular performance plans to ensure your future and career goals are achieved
Safety and wellbeing at the forefront of our culture

Key Responsibilities:

Analysing qualitative and quantitative data for inclusion in tenders, including obtaining relevant information/data, calculating costings and providing advice and information
Provide expert estimating advice to the business unit and assist with compiling major tenders, proposals and expressions of interest on behalf of the division.
Review tender documentation and calculate costings for submissions
Develop and review tenders and proposals for quality, risk, accuracy, and completeness; responding quickly to correct problems

What you’ll bring:

5+ years experience in estimating with a contractor
Relevant trade qualification or Engineering degree
Relevant on-site industry experience in the resources, engineering or construction industry with a strong understanding of trades and disciplines involved in site/project operations coupled with knowledge of relevant construction/maintenance norms and industry rates
A proven capability working within the engineering contracting sector servicing the resources, energy or infrastructure industries
Well-developed interpersonal and verbal communication skills to ensure effective communication with all levels of stakeholders
Advanced skills in use of Microsoft Word, PowerPoint, Excel and Adobe Acrobat Professional.
Self-motivated, career driven and have a passion for providing excellent customer service
Excellent written communication skills with high attention to detail, to accurately prepare and review content

Life at Monadelphous
There’s lots to get involved in, celebratory or cultural events and so much more. We work hard to make Monadelphous a truly great place to work.

We celebrate our diversity and shared values and are committed to inclusion and equal opportunities for all. We’re committed to hiring locally, encourage people of all diverse backgrounds to apply and strongly encourage women and First Nations people to submit an application

About us
Monadelphous is an ASX-200 company providing multidisciplinary construction, maintenance and industrial services to many of the largest companies in the resources, energy and infrastructure sectors. Established in 1972, we’ve been working in Australia and around the world for more than 50 years. We work on the biggest projects and ensure our teams have a variety of opportunities available to follow their career path of choice.

Our Engineering Construction division is an increasingly diverse business, focusing on managing and delivering large-scale project management and construction services. Our expertise includes civil construction, structural steel fabrication, modularisation and delivery, as well as structural, mechanical, piping and tank construction. We also specialise in heavy lift and haulage services, electrical and instrumentation work and renewable energy infrastructure.

Safety is at the forefront of everything we do, and we live by our promise: The Safe Way is the Only Way. Apply now to get started. A career at Monadelphous is a career with a difference. Make it yours.