Who We Are
Zinfra is a leading partner in the design, build, operation and maintenance of Australia's energy and utilities infrastructure. Delivering over $1B portfolio annually, the work we do is essential to bringing energy to our communities safely and reliably, while powering the nation's energy transition. With a diverse workforce of more than 2,300, we expertly deliver our services across Australia.
About the role
We are seeking a skilled Overhead Estimator to support Zinfra's continued success by developing accurate, competitive and commercially sound pricing submissions for medium to large proposals. Working from our Keysborough location with hybrid flexibility, you will consolidate costs, prepare first‐principles estimates, liaise with internal stakeholders, engage subcontractors, and contribute to strategic bidding outcomes. This is a full time position however we are able to consider the option to work part‐time (3–4 days per week) for the right candidate.
Your work will directly support major bids ranging from $5M to $100M, ensuring pricing accuracy, compliance and strong alignment with client expectations.
Key Responsibilities
* Review RFP documentation, technical specifications and standards to determine estimating requirements
* Prepare quantity take-offs, BoQs and first‐principles estimates
* Apply correct labour, plant, indirects, contingency and margin in line with Zinfra processes
* Manage procurement processes including RFQs, vendor evaluation and subcontractor engagement
* Liaise closely with Proposal Managers, Operational SMEs, Schedulers and Finance
* Present estimates clearly to senior stakeholders for review and approval
* Ensure compliance with estimating procedures, tools and document management standards
* Contribute to continuous improvement by incorporating lessons learned and benchmarking updates
About You
You are highly analytical with strong commercial acumen, a collaborative approach and a passion for accuracy. You thrive in environments where you can influence bid competitiveness and support business growth.
* Trade / tertiary qualification within the electricity industry (essential)
* Previous estimating experience in utilities (desirable)
* Experience with first‐principles estimating, pricing methodologies and scheduling integration (desirable)
* Strong knowledge of Australian Standards, utility specifications and procurement processes
* Proficiency with estimating tools (e.g., Expert Estimation) and MS Project
* Exceptional attention to detail, communication skills and the ability to meet deadlines
Why you should work for us
What we do matters. Delivering safe and reliable energy makes a difference to people's lives across our country every single day. We are proud to keep Australia connected while preparing the nation for a renewable future. Our people are our energy source. We offer meaningful benefits and rewards, including being a certified family-friendly workplace, flexible work arrangements, various leave benefits, career development pathways, a wellbeing program, and more.
We champion and value diversity
We champion and value diversity in life and work experiences, as we know everyone benefits from broader diversity of thoughts in our problem solving, decision making and ability to innovate. We encourage applications from everyone, including First Nations people, veterans, people living with a disability and members of the LGBTIQA+ community. If you need adjustments during the recruitment process, please let us know.
Notice to Third Parties
Zinfra does not accept unsolicited resumes (or liability associated with fees or costs) from recruitment agencies, search firms or third parties. Interested candidates are welcome to submit their application independently.
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