About Us
Abergeldie is a majority locally owned contractor with 30 years' industry experience in Australia and New Zealand. We design and deliver projects in the Water, Bridges, Transport, Underground, Energy and Remediation industry sectors. Projects include dams, bridges, tunnels, water and wastewater treatment process facilities, rail infrastructure, mining infrastructure, electrical substations, marine works and pipeline rehabilitation: the complex infrastructure needed to build better communities.
About The Opportunity
We are seeking an experienced Mechanical Estimator to join our New South Wales team, based at our Regents Park office.
As a Mechanical Estimator at Abergeldie, you will play a key role in tendering across mechanical scopes within water and infrastructure projects. This includes treatment plants, pumping stations, pipelines and associated mechanical systems. You will prepare accurate and competitive estimates that reflect project scope, identify risks and opportunities and contribute to value engineering outcomes.
This is an opportunity to work on technically complex projects that support essential infrastructure and deliver meaningful outcomes for communities.
Key responsibilities
Reviewing tender documentation to ensure mechanical scope and requirements are fully understood and captured
Preparing detailed cost estimates, take-offs and methodologies for mechanical works




Coordinating and engaging subcontractors and suppliers for mechanical packages
Assessing risks, opportunities and value engineering options within tenders
Preparing tender submissions for internal review and approval
Supporting post-tender clarification, negotiations and client engagement
What you'll bring to the Team
A degree in Mechanical Engineering or a related discipline
Proven experience estimating mechanical packages within water or infrastructure projects
Strong understanding of mechanical systems such as pumps, pipework, valves and treatment equipment
Ability to manage your own tenders while contributing to broader bid teams
Strong analytical, commercial and problem-solving skills with high attention to detail
Excellent communication and stakeholder engagement skills
Familiarity with Australian standards, contract specifications and estimating software
Why You Should Work With Us
Our people are what make Abergeldie successful, and we make sure that this is the kind of place where great people enjoy working for the long term.
We have a range of employee perks, including the Abergeldie Bonus Scheme, where all eligible employees share in the benefits of the projects they have helped to deliver. When we deliver winning projects, we celebrate success together.
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📌 Mechanical Estimator (New South Wales)
🏢 Abergeldie Complex Infrastructure
📍 New South Wales