Senior Estimator

Mono Constructions; Sydney; On-site; AUD 150,000 - 210,000; Full time

Job summary

Mono Constructions is a growing Sydney builder specialising in medium-density Class 2 apartments and commercial construction projects. We are looking for an experienced Estimator to lead tendering, pricing and cost planning across projects valued from $30m+.

This opportunity would suit an Estimator ready to step up into a more senior role, take ownership of the full tender cycle and work closely with leadership on project wins.

Qualifications

• 5+ years’ estimating experience.
• Residential and/or commercial construction experience.
• Strong knowledge of D&C and lump sum tenders.
• Ability to read plans, drawings and specifications.
• Experience using CostX or similar software.
• Strong subcontractor and supplier negotiation skills.
• A qualification in Quantity Surveying, Construction Management or similar.

Responsibilities

• Preparing estimates, tender submissions, trade budgets and pricing proposals.
• Completing quantity take-offs and measuring builders quantities.
• Reviewing drawings, specifications and D&C documentation.
• Obtaining and negotiating subcontractor and supplier quotes.
• Identifying tender risks, cost impacts and opportunities.
• Maintaining tender records, cost data and trade coverage.
• Supporting handover to the project team after contract award.

Skills

Estimating experience

Tender submissions

Plan reading

Subcontractor negotiation

CostX proficiency

Quantity surveying

Education

Bachelor's degree in Quantity Surveying or Construction Management

Tools

CostX

Job description

Mono Constructions is a growing Sydney builder specialising in medium-density Class 2 apartments and commercial construction projects.

We are looking for an experienced Estimator to lead tendering, pricing and cost planning across projects valued from $30m+.

This opportunity would suit an Estimator ready to step up into a more senior role, take ownership of the full tender cycle and work closely with leadership on project wins.

The Role

You will manage tenders from initial review through to submission, working closely with the Business Manager, subcontractors, suppliers, consultants and project teams.

Key responsibilities include:

• Preparing estimates, tender submissions, trade budgets and pricing proposals.
• Completing quantity take-offs and measuring builders quantities.
• Reviewing drawings, specifications and D&C documentation.
• Obtaining and negotiating subcontractor and supplier quotes.
• Identifying tender risks, cost impacts and opportunities.
• Maintaining tender records, cost data and trade coverage.
• Supporting handover to the project team after contract award.

About You

You will ideally have:

• 5+ years’ estimating experience.
• Residential and/or commercial construction experience.
• Strong knowledge of D&C and lump sum tenders.
• Ability to read plans, drawings and specifications.
• Experience using CostX or similar software.
• Strong subcontractor and supplier negotiation skills.
• A qualification in Quantity Surveying, Construction Management or similar.

Why Join Mono?

• Strong project pipeline: Work across apartment and commercial construction projects.
• Real ownership: Manage the full tender cycle, including take-offs, pricing, trade coverage and submissions.
• Structured systems: Use established estimating processes, cost data and software including CostX.
• Senior exposure: Work closely with leadership and project teams.
• Supportive culture: Join a team guided by Mono’s FRANK values — Focus, Respect, Anticipate, Never Give Up and Kindness.