Deliver Complex, Combined-Scope Projects with Shadbolt Group At Shadbolt Group, we specialise in end-to-end engineering and manufacturing solutions across Australia’s most essential industries. As we expand our Infrastructure & Energy division, we’re seeking a Senior Estimator to lead the pricing of major mechanical and electrical (M&E) infrastructure projects across transport, oil & gas, water, and process sectors. Position Overview As a Senior Estimator , you’ll be a key contributor to major tenders and project bids, ensuring accuracy, competitiveness and risk-aligned pricing across a variety of industrial infrastructure scopes. You’ll work closely with project teams, subcontractors, consultants and suppliers to deliver detailed cost breakdowns that support successful project execution. This permanent position can be based in Pakenham (VIC), Henderson (WA), or Burton (SA) , offering flexible working options and long-term career growth with a dynamic, project driven organisation. Key Responsibilities Develop and manage complete cost estimates for mechanical and electrical infrastructure projects. Lead bid pricing and proposal development for complex, multi-disciplinary projects. Coordinate with procurement, engineering, and delivery teams to ensure accuracy and alignment. Liaise with subcontractors and suppliers for competitive pricing and scope validation. Oversee tender documentation and ensure compliance with client requirements and industry standards. Conduct internal peer reviews and contribute to continuous improvement of estimating tools and processes. What You’ll Bring Degree in Engineering or Construction Management (or equivalent industry experience). Minimum 5 years in a senior or lead estimating role, ideally with focus on mechanical and electrical packages. Proven experience across infrastructure, transport, oil & gas, water, or industrial process plants. Familiarity with working under Tier 1 and Tier 2 contractors on large-scale, multi-trade packages. Strong knowledge of subcontracting, procurement processes, and construction methodologies. Proficient in estimating software, spreadsheets, and project controls (e.g., Excel, Candy, CostX, etc.). Excellent stakeholder engagement and communication skills. What You Won’t Do No defence projects. No detailed design scopes. No standalone consultancy roles this is a delivery focused estimating role in real-world construction and infrastructure Why Join Shadbolt Group? Work on landmark infrastructure projects that power industry and connect communities. Be part of a growing organisation with a collaborative and delivery-focused culture. Competitive salary, flexible working arrangements, and genuine career development. Influence real projects and outcomes—not just pricing, but strategy, risk, and value. How to apply ? Submit your resume and cover letter to: recruiting@shadbolt.com.au Applications are reviewed as they are received , don’t wait to apply.
