Ready to take the first step in your estimating career with a trusted Australian family-owned business?

About G. James

G. James Glass and Aluminium is a leading Australian family-owned company, employing over 1,800 people nationwide. We are known for quality, stability, and a strong commitment to developing our people.

The Benefits
Market-competitive salary package in line with experience
Full-Time permanent position with immediate start available
Health insurance benefits - 7% discount with BUPA
Access to Employee Assistant Program - TELUS Health
Free on-site parking
Positive safety culture and team environment
Career development opportunities across the G.James Group
Australian family-owned business

The Role

This entry-level position is ideal for someone eager to learn the fundamentals of estimating within the residential and commercial windows and doors industry.
Build a strong understanding of estimating principles through hands-on training and guidance
Learn to interpret customer requirements, relevant standards and specifications to assist with accurate product selection & installation methodology
Develop the ability to read plans and complete basic quantity take-offs for quoting




Assist with the preparation of accurate and timely quotations and orders using V6 software (training provided)
Collaborate closely with our sales teams to support robust working relationships and smooth project delivery
Participate in customer follow-up and communication to help progress quotations through to finalised sales

The Applicant
Are you looking to start your career in Estimating?
Foundational understanding of the National Construction Code and Australian Standards relating to windows and doors
Confident communicating with a wide range of people including home-owners, builders and business leaders
Robust attention to detail and an ability to multi-task and prioritise, and to be organized and focused on task achievement

G.James is an equal opportunity employer

Please note: The successful applicant will be required to undertake a full pre-employment medical including drug and alcohol screening to secure employment with G.James.

For more information visit

G.James celebrates 109 years in 2026

Recruitment Agencies please note: While we value the role of recruitment agencies, we are not accepting candidates through agencies at this time.
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📌 Junior Residential Estimator Sydney
🏢 G.James Group
📍 Sydney