About Delta Group

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 fast-paced workplace.

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.

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