Estimator

About Us

As an ASX-listed company, MLG Oz is a contractor of choice, employing more than 1,400 people across over 30 operational sites. We deliver a comprehensive range of services, including:

• Aggregate and sand supply

• Bulk haulage and integrated site services

• Crushing and screening

• Export logistics

MLG Oz is guided by strong core values and is committed to fostering a diverse and inclusive workplace. We recognise that inclusion drives engagement, builds trust, encourages fresh perspectives, and supports innovation, ultimately enhancing our overall performance. Our people are our greatest asset, and through their collective efforts and contributions, we are able to achieve our objectives while maintaining an uncompromising commitment to the health and safety of our workforce, the environment, and the communities in which we operate.

We’re looking for a commercially minded Civil Estimator to join our team in Perth, supporting tendering, project pricing, and commercial analysis across a diverse project portfolio.

This role is critical in ensuring accurate, competitive, and well-structured estimates that support project wins and business growth. You’ll work closely with operational teams and subject matter experts to develop cost models, review tenders, and identify cost efficiencies and opportunities.

• Review tender documents, scope of work, and contract conditions
• Analyse opportunities and provide insights on project risks and benefits
• Maintain accurate pricing records and CRM (HubSpot) updates

• Develop, refine, and maintain cost models for civil projects
• Prepare detailed estimates across earthworks, drainage, and civil infrastructure
• Interpret engineering drawings, specifications, and geotechnical data

• Attend site visits and tender meetings to assess scope, access, and conditions
• Collaborate with operational teams to validate cost assumptions

• Support repricing, variations, and cost-saving initiatives for active projects
• Review estimate accuracy against actual performance to improve models
• Contribute to consistent estimating practices across the business

You are a detail-oriented and proactive Estimator who thrives in a collaborative, fast-paced environment.

• Strong ability to interpret civil drawings and technical specifications
• High attention to detail with strong analytical and problem-solving skills
• Effective communicator with strong stakeholder engagement abilities
• Highly organised with excellent time management
• Commercially aware with sound judgement in pricing decisions

• 3+ years’ experience in estimating within civil, mining, or haulage sectors
• Strong background in civil construction, cost estimation, or quantity surveying
• Experience using estimating software and advanced Excel skills
• Experience developing and maintaining cost models
• Exposure to tendering processes and pricing strategies

• Qualification in Civil Engineering, Construction Management, or Quantity Surveying
• Certificate IV in Civil Construction or Building Project Support (Estimator)

Why Join Us?

• Work on diverse and technically challenging projects
• Collaborate with experienced operational and commercial teams
• Contribute directly to business growth and tender succes
• Novated Lease & Salary Sacrifice Options
• Supportive, Approachable Management
• A Strong Team Culture with Recognition for Outstanding Performance

If this sounds like you, we'd love to hear from you! Click 'Apply' now to get started. 

MLG Oz is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive and supportive workplace.