New Homes Division – Estimating Support / Project Administration
Full-Time | Monday–Friday, 9:00am–5:00pm
Mannix is a long-established, family-owned South Australian business specialising in air conditioning, solar and electrical services. Due to continued growth in our New Homes Division, we are looking to appoint two Estimating Support / Project Administration team members to assist with the preparation and delivery of new home projects.
These roles suit someone who enjoys working with plans, numbers and systems, has a strong eye for detail, and wants to build skills in estimating and project support within a stable business.
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About the Role
Reporting to the New Homes Manager, you will play a key support role in the estimating and pre-construction process, including:
* Assisting with air conditioning designs for new home builds
* Completing take-offs from architectural and builder plans
* Preparing and checking documentation for quoting and job setup
* Supporting estimators and project staff with accurate data and cost inputs
* Maintaining job records, drawings and supporting information
* General project and administration support across the New Homes team
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About You
We are looking for someone with:
* Excellent attention to detail and accuracy
* Strong computer skills and confidence working with plans, drawings, and spreadsheets
* A methodical approach and ability to follow processes
* Good communication skills and a collaborative mindset
* A genuine interest in construction, estimating or building services
Experience in estimating, construction, HVAC, drafting, or administration is an advantage, but training will be provided for the right candidates.
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What We Offer
* 2 x full-time roles
* $60,000 per annum
* Employment under the Clerical Award
* Stable Monday–Friday, 9–5 hours
* Supportive, team-focused environment
* Exposure to estimating and project workflows
* Career progression opportunities into estimating, project coordination, or management roles
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Why Mannix?
At Mannix, our mission is to supply value-for-money air conditioning and solar solutions while delivering exceptional customer service. As a family-owned business, we pride ourselves on long-term relationships — with our customers, builders, and our people.
You'll be joining a company that values accuracy, teamwork, and continuous improvement, with genuine opportunities to grow your skills and career.