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

Delta Group is seeking an experienced Estimator to join our Queensland Contracting Business.

Working as part of the estimating team, you will manage the preparation of accurate, competitive and timely tenders across construction, demolition, recycling and civil construction projects. You will collaborate closely with operational and project teams to develop methodologies, programs, cost estimates and commercially sound tender submissions.

The position reports to the Estimating Manager and Queensland Manager and may also provide guidance and support to junior estimators and cadets.

Key responsibilities

Review tender documentation, drawings, specifications and bills of quantities.

Define project scope, work breakdown structures and tender requirements.

Prepare accurate cost estimates, pricing schedules and tender submissions.

Develop construction methodologies, activity durations and project programs.

Obtain and assess competitive quotations from subcontractors and suppliers.

Identify alternative solutions and value-management opportunities.

Coordinate with management, operations and project teams throughout the tender process.

Maintain accurate tender registers, supporting documentation and reporting.

Present estimates for internal review in accordance with delegated authority requirements.

Attend site inspections,



tender interviews and subcontractor meetings as required.

Conduct post-tender follow-up and obtain feedback on tender outcomes.

Prepare comprehensive project handovers covering scope, methodology, program and budget.

Support the ongoing development of estimating systems and business processes.

About you

To succeed in this role, you will ideally have:

At least five years’ experience in estimating.

A bachelor’s degree in Construction Management, Civil Engineering or a related discipline.

Strong knowledge of engineering and project management fundamentals.

Demonstrated experience in cost planning, tender preparation and contract management.

The ability to interpret drawings, specifications and other technical documentation.

Proficiency with estimating software, including Expert Estimation or an equivalent platform.

Previous team leadership, coaching or mentoring experience.

Strong written and verbal communication skills.

A practical, solutions-focused approach.

The ability to work independently, manage competing deadlines and maintain attention to detail.

What success looks like

Your performance will be measured through the accuracy and timeliness of tender submissions, tender conversion outcomes, quality of project handovers, stakeholder satisfaction, subcontractor engagement and the standard of required reporting.

This is an opportunity to contribute to a diverse pipeline of projects while working closely with experienced estimating, construction and operational professionals. You will have the prospect to influence tender strategy, develop practical delivery solutions and support the continued growth of the Queensland business.

Delta Group is committed to maintaining a professional, safe and inclusive workplace. Applications will be assessed based on the skills, experience and qualifications relevant to the position.

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📌 Estimator (Brisbane City)
🏢 Delta Group
📍 Brisbane City