Senior Estimator (enabling works/demolition)

Delta Group is the largest contractor of our type in Australia, with more than 35 years of experience delivering complex civil, piling, demolition, logistics, decontamination, and remediation solutions that shape the urban and industrial landscapes of tomorrow. With over 1,300 staff Australia-wide, our people are what set us apart and benefit from a culture of collaboration and innovation that allows them to make the most of their remarkable skills and talent.

About the Role

Reporting to the Bid Manager and Construction Manager – New Business, the Senior Estimator will lead the preparation, coordination, and delivery of accurate and competitive tender submissions across a diverse portfolio of projects.

Opportunity to work with a leading national enabling works contractor, where you will play a key role in tender strategy, methodology development, subcontractor engagement, pricing, risk assessment, and project handovers while providing leadership and mentoring to Estimators and Junior Estimators.

The role requires a commercially astute and technically strong individual with the ability to manage multiple tenders, deadlines, and stakeholder relationships in a quick-paced environment.

Key Responsibilities

Lead the preparation and submission of detailed tender proposals

Review drawings, BOQs, specifications, and tender documentation

Develop construction methodologies, programs, staging, and pricing strategies

Engage and negotiate with subcontractors and suppliers to obtain competitive pricing

Participate in tender reviews and ensure submissions comply with Delta Group procedures and delegated authorities

Attend tender interviews, client meetings, and site inspections





Conduct subcontractor tender interviews and assessments

Input to tender registers, reporting, and bid tracking processes

Deliver detailed handovers of successful projects to operational teams

Mentor and develop Estimators and Junior Estimators as appropriate

Contribute to continuous improvement initiatives across estimating systems and processes

Support business development activities and identification of future opportunities

About You

To be successful in this role, you will ideally have:

Bachelor Degree in Construction Management, Civil Engineering, or related discipline

6+ years’ experience in estimating within construction, civil, demolition, remediation, or related industries

Proven leadership experience managing or mentoring estimating teams

Strong commercial and contractual knowledge

Expert understanding of construction methodologies and engineering fundamentals

Experience with MS Project and/or Primavera P6

Strong understanding of project delivery and contract management principles

Ability to interpret drawings, specifications, and technical documentation

Excellent communication, negotiation, and stakeholder management skills

High attention to detail with strong analytical capability

Practical and proactive approach to problem-solving

Demonstrates strong accountability by consistently delivering on commitments, meeting deadlines, and proactively addressing risks with solutions.

Maintains a continuous improvement mindset, taking initiative to enhance performance, efficiency, and professional capability.

Aligned with company strategy, with a reliable work ethic and consistent delivery of core responsibilities without the need for follow-up.

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📌 Senior Estimator (enabling works/demolition) (Sydney)
🏢 Delta Group
📍 Sydney