Senior Estimator - Water Infrastructure

Acciona S.A; Brisbane; On-site; AUD 130,000 - 180,000; Full time

Job summary

ACCIONA Agua is seeking a Senior Estimator to lead estimating for large, complex water and desalination bids across Australia and New Zealand. You will manage the estimating team, quantify risk and contingency, and develop pricing strategies for mechanical and electrical systems throughout the bid lifecycle.

You will present estimates to senior management and clients, train the team in first principles estimation, and drive procurement approaches that align with project goals.

Qualifications

• Proven experience leading estimates and bids on complex water/wastewater/desalination projects.
• Ability to estimate mechanical and electrical systems from first principles.
• Experience pricing installation, testing and commissioning works.

Responsibilities

• Lead the estimating function and team for major infrastructure bids.
• Build estimates from first principles for mechanical and electrical systems.
• Quantify risk and advise on contingency and provisional sums.
• Coordinate subcontractor inputs and pricing strategy for each bid.
• Present estimates to senior management and clients.
• Guide procurement strategies tailored to each project.

Skills

Bid estimation leadership

Water/wastewater bids

First principles estimating

Mechanical & electrical systems

Procurement strategy

Job description

ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals, present in more than 40 countries across the five continents, all contributing in our mission to design a better planet. Are you a passionate individual who wants to make a difference, promote sustainable development, and find solutions to the biggest global challenges including climate change, overpopulation, and water scarcity? Come and join us in building the infrastructure our planet needs to achieve a sustainable future. Lead estimating on major water, wastewater and desalination bids across Australia and shape the pricing behind ACCIONA’s tender submissions.

Job Description Benefits Lead estimating on major water and desalination bids nationally Work directly with the General Manager, Business Development Leadership and career development pathways at ACCIONA

About ACCIONA

ACCIONA delivers complex, large-scale infrastructure across Australia and New Zealand, including rail, road, water and defence projects. Our teams work across the full project lifecycle, from tender and design through construction, operation and maintenance. Our water work includes the Adelaide Desalination Plant and the Eyre Peninsula Desalination Plant.

About the Opportunity

As Senior Estimator, you will lead estimating for ACCIONA Agua’s large, complex infrastructure bids, reporting to the General Manager, Business Development. This national role focuses mainly on tenders for water and wastewater treatment plants, desalination facilities and pumping stations. You will lead the estimating team, estimate mechanical and electrical systems, and quantify risk and contingency. You will present estimates to senior management and clients, and shape pricing strategy across the full bid lifecycle. You will also train the team in first principles estimating.

Key accountabilities for the position will be:

• Lead the estimating function and team for major infrastructure bids
• Build estimates from first principles for mechanical and electrical systems
• Quantify risk and advise on contingency and provisional sums
• Coordinate subcontractor inputs and pricing strategy for each bid
• Present estimates and cost basis to senior management and clients
• Guide the team in applying procurement strategies tailored to each project
• Set quantity take-off and estimating standards and train the team

Required Skills and Competencies

• Proven experience leading estimates and bids on complex projects
• Record of leading water, wastewater or desalination bids
• First principles estimating of mechanical and electrical systems
• Expertise in pumps, power distribution and SCADA estimating
• Experience pricing installation, testing and commissioning works

At ACCIONA, we offer a dynamic and challenging work environment where our employees can grow and develop their careers. We provide opportunities for professional development, and our team members are encouraged to bring new ideas and approaches to their work. Our company is dedicated to fostering a culture of inclusiveness and respect where every employee feels valued and supported.

ACCIONA has been given the Top Employer 2022, 2023, 2024 & 2025 certification in Australia, which certifies the company's commitment to excellence in human resources management and those who focus on putting their people first through their exceptional HR policies.

Since establishing a presence in Australia in 2002, ACCIONA has made significant investments in local opportunities and project development.

ACCIONA employs more than 3,000 people in its renewable energy, infrastructure and water projects across Australia & New Zealand.

We are an Equal Opportunity Employer and promote equality and diversity. Indigenous Australians and candidates from minority groups are encouraged to apply.