About Us
Gamuda Engineering is a global leader delivering major Transport, Civil, and Energy Infrastructure projects across Australia. As an integrated energy partner, Gamuda funds, develops and builds utility-scale clean energy assets - including solar, wind, and Battery Energy Storage Systems (BESS) such as the 450 MW solar / 600 MW BESS Mortlake Hybrid project in Victoria.
With corporate offices in Melbourne, Sydney, and Brisbane, we are rapidly expanding our national clean energy division.
About the Role
We are seeking an experienced Senior Estimator - Renewables to join our Pre-Contracts & Tenders team. Working closely with our Estimating Manager and Renewables Lead, you will lead first-principles, resource-based estimating, technical cost modelling, and pricing strategies for major utility-scale renewable energy bids ($100M–$500M+). This role spans solar PV, BESS architecture, wind farm balance of plant (BOP), and HV grid connection infrastructure under EPC and D&C delivery models.
Key Responsibilities:
• Build detailed, resource-bottom-up cost models (labour, plant, materials, subcontracts) for PV solar arrays, BESS, wind civil/electrical BOP, and HV substations.
• Source and evaluate Tier-1 OEM market quotes for PV modules, inverters, BESS enclosures, wind turbines, and power transformers.
• Interpret RFT drawings, single-line diagrams, and yield reports to compile Work Breakdown Structures (WBS/CBS) and complete Bills of Quantities (BoQs).• Prepare trade package RFQs for civil, structural, and electrical subcontractors, conducting technical price normalization and scope gap analysis.
• Lead quantitative risk modelling, contingency sizing, and escalation analysis for executive management bid review presentations.
Skills and Experience
• Degree in Electrical, Civil, or Renewable Energy Engineering, Quantity Surveying, or Construction Management.
• 7+ years estimating experience within a Tier 1/2 contractor or EPC, delivering first-principles cost models for major utility-scale renewables projects ($100M+).
• Advanced proficiency in first principles estimating software (e.g. Expert Estimation, Candy, or Benchmark) and complex MS Excel cost models.• Strong expertise in solar PV balance of plant, BESS system architecture, HV substation pricing, equipment lead times, and EPC/D&C contract structures.
What We Offer
• Key pre-contracts role shaping technical pricing and win strategies on major national clean energy tenders.
• Corporate office locations in Melbourne, Sydney, or Brisbane with flexible working support.
• Collaborative, high-performing environment with clear executive pathways supported by a Tier-1 global group.
Gamuda Australia encourages and supports a diverse workforce, including candidates from overseas and current Visa holders.
Unsolicited agency CVs submitted to Gamuda will not be accepted.