Senior Cost Estimator
Date: 2 Jul 2026
Location: Sydney, NSW, Australia
Company: TransGrid

About Us
At Transgrid, our work improves the lives of millions – from lighting up sports fields, schools and homes, to powering the wheels of commerce and everything else in between. Now it’s your turn to make it happen.
This is an exciting time in the energy industry with the transition to renewable energy. Recent government policy documents outline plans to facilitate increasing transmission interconnection between states and development of renewable energy zones.
The Opportunity
In your new role, you'll take ownership of cost estimating outcomes for major transmission and substation projects, helping to shape investment decisions that support the future of Australia's energy network. The position is based in Ultimo, though we're also open to candidates located in Eastern Creek or Newcastle.
Working closely with project stakeholders, you'll lead the development and review of complex cost estimates, facilitate risk and contingency assessments, and provide trusted commercial insights throughout project development. You'll also play an important role in strengthening estimating capability across the team by reviewing estimate quality, sharing knowledge and mentoring junior estimators.
This is an opportunity to combine technical expertise with leadership, influencing how major infrastructure projects are planned and delivered while contributing to the continuous improvement of Transgrid's estimating practices, systems and processes.
About You
The ideal candidate will be an experienced estimating professional who enjoys taking ownership, influencing project outcomes and providing technical guidance within a collaborative team environment.
- Degree qualification in Engineering, Construction Management, Quantity Surveying or a related discipline.
- Significant experience preparing and reviewing cost estimates for major infrastructure, engineering or construction projects, with experience in transmission and substation projects desirable.
- Strong expertise in cost analysis, benchmarking, risk assessment and contingency development.
- Demonstrated ability to provide trusted advice to project teams and stakeholders on cost-related matters.
- Experience mentoring, coaching or providing technical guidance to less experienced team members.
- Excellent analytical skills, commercial judgement and attention to detail, with the ability to manage competing priorities and deliver high-quality outcomes.
Recognition & Reward
We believe in providing our people personal, professional and social benefits so that they can deliver their best work each and every day. Employees have access to a range of corporate discounts across retail, utilities, travel, health & wellbeing etc, as well as novated leasing options, workplace flexibility, 20 weeks paid parental leave and more.
Regardless of where you are in your professional journey, Transgrid powers your career by providing access to regular and on-going training, workplace mentoring and tertiary education. At Transgrid, you are encouraged to build a career that is right for you.
Our Values
Our core values, safety, achievement, integrity, and service, shape how we work every day. We prioritise safety, strive for meaningful impact, act with honesty, and deliver exceptional outcomes for our customers and communities.
Applications close on Friday 17 July 2026
Transgrid is committed to Health and Safety, the Environment, Equal Employment Opportunity, Diversity and Ethical Practices. All applicants are expected to demonstrate an understanding of and commitment to these areas