16/06/2026
SENIOR ESTIMATOR / COMMERCIAL MANAGER
Geraldton WA or Perth WA (Remote Considered)
Competitive Salary Package + Performance Bonuses
Expected Earnings $160,000 - $220,000+ per annum for the right candidate
About GNC Building & Construction Group
GNC Building & Construction Group is a Western Australian owned and operated business specialising in precast concrete manufacturing, civil infrastructure products, modular housing solutions and commercial construction projects.
Based in Geraldton, WA, we supply products and services to local government, civil contractors, builders, developers and infrastructure projects throughout Western Australia.
As part of our continued growth, we are seeking an experienced Senior Estimator / Commercial Manager to take ownership of our estimating and pre-contracts function and play a key role in the next stage of the company's expansion.
This is not a corporate desk job.
We are looking for someone who can work autonomously, think commercially, identify opportunities, build relationships and contribute directly to the growth and profitability of the business.
The Role
Reporting directly to the Managing Director, you will be responsible for:
• Preparing detailed estimates, quotations and tender submissions
• Reviewing drawings, specifications, scopes of work and contract documents
• Performing quantity take-offs and first-principles estimating
• Obtaining and assessing supplier and subcontractor pricing
• Identifying scope gaps, commercial risks and value engineering opportunities
• Negotiating with clients, consultants, suppliers and subcontractors
• Assisting with contract reviews and pre-contract negotiations
• Developing and improving estimating systems, templates and procedures
• Supporting business development activities and tender opportunities
• Assisting with strategic pricing across precast, civil and modular housing projects
Projects May Include
• Precast concrete manufacturing
• Civil infrastructure projects
• Drainage and wastewater infrastructure
• Government and local authority contracts
• Commercial construction projects
• Modular housing developments
• Property development projects
About You
The successful applicant will possess:
• Structural Engineering, Civil Engineering, Construction Management, Quantity Surveying or similar qualifications
• Building Practitioner Registration or Building Licence highly regarded
• Minimum 8 years estimating experience within construction, civil, precast or related industries
• Strong understanding of concrete construction and civil works
• Ability to read and interpret engineering and construction drawings
• Excellent commercial and analytical skills
• Strong negotiation and communication abilities
• High attention to detail
• Ability to operate independently with minimal supervision
• Strong organisational and time management skills
Highly Regarded Experience
• Precast concrete estimating
• Main Roads WA projects
• Civil infrastructure projects
• Local government tenders
• Design and construct contracts
• Modular or off-site construction
• Contract administration and commercial management
What We Offer
• Competitive salary package plus performance bonuses
• Expected earnings of $160,000 - $220,000+ for high-performing candidates
• Flexible working arrangements
• Geraldton-based or Perth-based remote working options
• Direct access to senior decision makers
• Opportunity to influence the direction and growth of the business
• Diverse and interesting projects across multiple sectors
• Long-term career progression opportunities
This position offers an excellent opportunity for an experienced estimator who wants to move beyond simply pricing projects and become an integral part of a growing Western Australian construction and manufacturing group.
How to Apply
Please submit your resume together with a brief cover letter outlining your experience and suitability for the role.
All applications will be treated in strict confidence.
Applications can be emailed to:
[email protected]
Application's Close July 15
GNC Building & Construction Group WA Pty Ltd
Building Better. Building Stronger. Building the Future.