Senior Cost Estimator, Sydney Mace combines global delivery consultancy experience to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey. The project: This is a complex, large scale, infrastructure programme in Sydney that will benefit the people and bring a positive impact to the community. Working with an amazing client and talented Mace team, this project will be of incredibly high-quality standards in a heavily regulated environment, suiting people with similar project experience that operate with the highest integrity and professionalism. You’ll be responsible for: Brings 10–15 years’ experience in cost estimating/quantity surveying across civils, structural, or MEP projects. Acts as the functional estimating lead within a client‑side integrated delivery team. Leads major infrastructure estimate development, reviews contractor pricing, and shapes procurement and contract strategies. Delivers robust cost planning, final cost plans, valuations, and reporting for stakeholders. Manages design‑change cost impacts, contract administration, claims evaluation, and final accounts. Builds strong internal/external relationships while driving team performance, continuous improvement, and carbon‑reduction goals. You’ll need to have: 10–15 years’ experience in cost estimating or quantity surveying across civils, structural, MEP or building services. Functional Lead experience delivering estimating on a client‑side integrated team. Proven expertise in major infrastructure estimating, TOC development and contractor estimate reviews. Degree‑qualified, digitally competent, with strong commercial, contract and value‑engineering knowledge and MRICS/RICS preferred. Our values Safety first - Going home safe and well: We champion a safe, diverse and inclusive working environment, understanding the importance of wellbeing in every team. Client focus - Deliver on our promise\: We own the quality of deliverables, strategic outcomes and build long term relationships with our clients. Integrity - Always do the right thing: We influence positive outcomes within our industry, while always aligning with our compliance obligations. Create opportunity - For our people to excel: We champion a continuous improvement culture throughout all activities, inspiring our people and teams to develop. Mace is an inclusive employer and welcomes interest from a diverse range of candidates. Even if you feel you do not fulfil all the criteria, please apply as you may still be the best candidate for this role or another role within our organisation. We are also open to discussing part time, flexible, and hybrid working options if suitable with-in the role.