Join McCosker and play a key role in the success of our estimating function. We're looking for a detail-driven administrator to keep our estimating team organised, efficient, and ready to support the full tender lifecycle from first inquiry to final submission.
* Gladstone based role working at the McCosker Head Office
* Casual arrangement Monday to Friday for up to 2 months (potential for ongoing work)
* Competitive rate of pay and hours of work (up to 46 to support operational priorities)
About the Role
Reporting into the Estimating team, this role is central to how we coordinate information, manage procurement administration, and maintain accurate records across our tendering activity. You'll work alongside estimators, project teams, suppliers, and subcontractors to ensure every tender goes out on time, with the right information attached.
You will
* Manage estimating administration systems, registers, and tender project files to ensure accurate, accessible record keeping
* Assist with preparing correspondence and tender documentation in line with company formats and deadlines
* Monitor the estimating inbox, directing queries to the right people
* Research and gather information to support tenders, including liaising with internal teamsto facilitate smooth communications
* Support compliance with company management systems
* Coordinate team administration to keep operations running smoothly
About You
* 2+ years of experience in administration or a similar support role
* Able to use critical thinking and analysis to solve problems
* Positive attitude with the ability to work as part of a team
* Comfortable working within established systems and processes
* Strong data entry skills with a high level of accuracy
* Intermediate to advanced MS Office skills (Outlook, Word, Excel)
* Experience coordinating with internal teams
* Excellent attention to detail and accuracy
* Highly effective time management, workload prioritisation, and planning skills
* Excellent written and verbal communication skills
Join the McCosker team
McCosker Contracting is a well-established civil construction company with a strong track record of delivering quality infrastructure projects. We're proud of our collaborative culture, commitment to safety, and the positive impact we have on the communities where we work. This is a role where your contribution is visible and valued.
We offer a range of benefits including discounted corporate programs and monthly recognition events.
You can learn more about McCosker Contracting by visiting our website, https://www.mccoskers.com.au/ and https://www.youtube.com/watch?.
7 May 2026 Gladstone Queensland, Australia Casual/Vacation Construction Estimating
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