At Mono Constructions, our purpose is easy but powerful: To create the safest places on earth, where everyone can be their best – At Home. At Work. At Play.

Since 2002, we’ve been delivering quality residential apartment developments, medium-density mixed-use projects, and commercial construction projects across NSW. We’re Australian-owned, family-oriented, and driven by our FRANK values — Focus, Respect, Anticipate, Never Give Up, and Kindness.

We’re now seeking an experienced Senior Estimator to join our team

The Role

As Senior Estimator, you’ll lead construction cost tendering and estimating activities for allocated projects, ensuring submissions are accurate, competitive, and aligned with Mono’s goals. Your focus will be on preparing, managing, and submitting tenders and estimates for Class 2 Residential and Commercial projects.

You will:
Lead end-to-end tendering and estimating activities
Review and analyse tender documentation, drawings, and specifications
Prepare accurate budgets, quantity take-offs, and detailed cost estimates
Participate in bid review meetings
Source and negotiate pricing with subcontractors and suppliers
Collaborate with project and construction teams




Maintain accurate records, drive continuous improvement, and share best practices
Actively identify and pursue new business opportunities

About you:
5+ years’ experience in estimating and tendering for Class 2 Residential projects.
Tertiary qualifications in Quantity Surveying, Construction, Engineering or similar.
Proven experience preparing tenders for Design & Construct and lump sum contracts.
Proficiency with estimating software (Cubit or similar).
Excellent communication, negotiation, and stakeholder management skills.

Why join Mono?

We offer more than a pay cheque.

At mono you’ll get
A safe, well-resourced work workplace with established systems and processes.
A team culture built on trust, respect and collaboration.
The chance to lead meaningful projects that leave a lasting mark.
A place where you’re empowered to make a real difference.

Ready to Build with Us?

If you are ready to take ownership of Class 2 apartment tenders, drive project success, and work with a team that values your skills — Apply Now.

📌 Senior Estimator Rydalmere
🏢 Mono Constructions
📍 Rydalmere