Head of Estimating

Head of Estimating – Westbury

About Westbury

Westbury has grown organically over the past 14 years from a construction business into a full-service delivery model for our customers. With operations across multiple offices in NSW, our success is built on strong relationships, practical thinking, and people who enjoy working together to deliver outcomes.

About the Role

Westbury is seeking a senior leader to join us as Head of Estimating. This role will lead the strategic direction, governance, and performance of the estimating function across the business.

This is a key leadership opportunity to shape the future of estimating at Westbury and influence outcomes at both operational and strategic levels. Reporting to the CEO, you will be responsible for building a best-in-class estimating capability that strengthens commercial outcomes, supports margin discipline, improves operational efficiency, and enables scalable growth.

You will provide leadership across our Pre-Construction, New Sales and Estimating divisions, ensuring consistent methodology, accurate data, and aligned systems and processes across the business. A central focus of the role is to establish a high-performing estimating operating model that embeds continuous improvement and lifts the maturity of the function.

You will also drive collaboration across internal teams and external partners, ensuring the estimating function is tightly integrated with broader business objectives and project delivery requirements.

If you are a strategic and commercially driven estimating leader looking to make a meaningful impact, we would love to hear from you.

Key Responsibilities

• Define and execute Westbury’s estimating strategy aligned to our vision, operational and growth objectives

• Develop and implement a comprehensive reporting framework for estimating performance, productivity, accuracy and margin outcomes

• Establish a long-term vision for the estimating function, transitioning from transactional estimating to a strategic commercial capability

• Embed an operating system for estimating, including structure, capability, capacity, systems and governance

• Lead and integrate sales estimating and pre-construction to operate as a cohesive, high-performing function

• Build leadership capability and oversee workload planning through coaching, mentoring and performance management

• Develop and implement a best-practice estimating framework across sales operations and project delivery

• Establish and maintain robust margin governance frameworks across the estimating department

• Provide oversight of estimating assumptions, contingencies, risk allowances and commercial levers

• Build strong relationships with external consultants and subcontractors to enhance capability and performance

Qualifications

Tertiary

• Bachelor’s degree in Construction Management, Quantity Surveying, Engineering, Commerce or a related discipline

Professional Experience

• 5–8+ years’ experience in a senior estimating, cost planning or commercial leadership role

Skills and Experience

• Proven experience engaging and influencing senior stakeholders

• Demonstrated leadership of estimating or commercial functions

• Experience designing and implementing operating models and process frameworks

• Strong commercial acumen with a track record in margin management and cost governance

• Experience leading multi-disciplinary teams and driving organisational change

• Ability to analyse and resolve complex, multi-party commercial challenges

• Advanced stakeholder management and executive communication skills

Attributes

• High-level communication, influencing and negotiation capability

• Resilience and drive to succeed in a fast-paced environment

• Strong analytical and strategic thinking with the ability to translate data into commercial insights for the wider business

Why Join Westbury?

At Westbury, people stay because of the culture. We are a down-to-earth, high-performing team that values collaboration, trust and delivering on our commitments.

You will be joining a business where you can genuinely make your mark and help shape the future of a growing organisation.

Benefits include:

• Supportive and inclusive work environment

• Key role within the Executive Leadership Team

• Friendly, social and collaborative team culture

• Opportunity for growth and progression within a business expanding across the eastern seaboard

• Employee Assistance Program for you and your family

• Free onsite parking

• Wellness initiatives and additional team perks