Position: Senior Civil Estimator Location: Sydney, NSW Employment Type: Full time Industry: Civil Construction, Demolition, Remediation and Bulk Excavation Reporting To: Estimating Manager / Director

About the Role

The Senior Civil Estimator will be responsible for preparing detailed tender budgets, bills of quantities, takeoffs, proposals, scope reviews and tender documentation for civil, demolition, remediation and excavation projects.

The successful candidate will work closely with GKC Group’s internal team, review tender documents, prepare accurate estimates, raise technical queries, liaise with clients and subcontractors, and participate in tender meetings where required.

This role requires more than basic quantity takeoff. We are looking for someone capable of understanding civil construction scopes, identifying risks and opportunities, preparing structured estimates, and communicating professionally with internal and external stakeholders.

Key Responsibilities

- Review tender documents, drawings, specifications, schedules, geotechnical reports, addenda and consultant information.
- Prepare detailed quantity takeoffs and bills of quantities for civil, demolition, remediation and excavation works.
- Prepare tender budgets using GKC Group’s internal templates and estimating systems.
- Undertake first-principles estimating, including labour, plant, materials, subcontractors, disposal, haulage and productivity assumptions.
- Prepare detailed scope breakdowns, inclusions, exclusions and assumptions.
- Review tender documents to identify risks, gaps, inconsistencies and opportunities.
- Prepare tender query registers and assist with issuing clarifications.
- Prepare proposal documents, tender submissions and pricing schedules.
- Liaise with clients, consultants, subcontractors and suppliers during the tender phase.
- Attend internal tender reviews, client meetings and tender interviews where required.




- Prepare subcontractor and supplier enquiry packages.
- Compare subcontractor and supplier quotations.
- Assist with tender handover documentation for successful projects.
- Maintain organised tender folders, document registers, drawing registers and addenda registers.
- Revise estimates and proposals following addenda, clarifications and client feedback.
- Work closely with management to improve estimating systems, templates and processes.

Typical Scope of Works

- Detailed excavation
- Demolition
- Remediation
- Contaminated material handling
- Shoring and retention works
- Pavements
- Kerbs and concrete works
- FRP and minor structures
- Services-related civil works
- Haulage and spoil disposal

Software Experience

The successful candidate must be confident using, or able to quickly adapt to, the following software:

- Cubit
- MudShark
- Microsoft Excel
- Microsoft Outlook
- Microsoft Teams
- Microsoft SharePoint / OneDrive
- Microsoft 365

Experience with civil estimating, earthworks modelling or quantity takeoff software will be highly regarded.

Required Experience

- Strong experience preparing BOQs, budgets and tender estimates.
- Ability to read and interpret civil, structural, architectural, services and consultant drawings.
- Strong understanding of construction methodology, productivity, labour, plant, materials and subcontractor pricing.
- Strong attention to detail and accuracy.
- Excellent written and verbal communication skills.
- Ability to communicate confidently with clients, consultants,



subcontractors and internal team members.
- Ability to attend tender meetings and present information clearly.
- Ability to work independently and manage deadlines.
- Strong commercial awareness and ability to identify tender risks.
- High level of organisation and document control.

Preferred Experience

- Australian civil construction tendering
- Bulk earthworks estimating
- Remediation and contaminated land projects
- Shoring and excavation packages
- Stormwater and pavement works
- Tender interviews and client-facing meetings
- Preparation of construction proposals and tender submissions

Senior Civil Estimator will be expected to prepare and manage:

- Detailed tender budgets
- BOQs and quantity takeoffs
- Cubit files
- Bluebeam marked-up drawings
- MudShark quantity outputs where applicable
- Scope breakdowns
- Inclusions and exclusions
- Assumptions registers
- Subcontractor comparison sheets
- Supplier and subcontractor enquiry packages
- Drawing and document registers

What We Are Looking For

- Technically robust
- Commercially aware
- Professional with clients
- Accurate with quantities and budgets
- Organised and deadline-driven
- Proactive in raising issues
- Able to follow systems and improve processes
- Willing to take ownership of tenders from initial review through to submission

Why Join GKC Group?

This is an opportunity to join a growing Sydney-based civil contractor and become a key part of our estimating team.

You will be involved in a wide range of civil, demolition, remediation and excavation tenders, working directly with experienced construction professionals and senior management.

For the right candidate, this role offers long-term stability, career development and the opportunity to play an important role in the continued growth of the business.

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📌 Senior Civil Estimator – Early Works & Civil Construction (New South Wales)
🏢 Ground King Civil
📍 New South Wales