Senior Estimator, Renewables: Lead Solar & BESS bids

Gamuda Group; Sydney; Hybrid; AUD 180,000 - 250,000; Full time

Job summary

Gamuda Australia is seeking an experienced Senior Estimator - Renewables to join our Pre-Contracts & Tenders team. You will lead first-principles, resource-based estimating, technical cost modelling, and pricing strategies for major utility-scale renewables bids ($100M–$500M+).

You will work on solar PV, BESS architecture, wind farm balance of plant, and HV grid connection infrastructure under EPC and D&C delivery models, collaborating with our Estimating Manager and Renewables Lead.

Qualifications

• Degree in Electrical, Civil, Renewable Energy Engineering, QS, or Construction Management.
• 7+ years estimating experience in a Tier 1/2 contractor or EPC.
• Experience with first-principles cost models for large renewables.
• Proficient in estimating software (Expert Estimation, Candy, Benchmark) and advanced Excel.

Responsibilities

• Build detailed, resource-based cost models for PV, BESS, wind BOP, and HV substations.
• Source and evaluate Tier-1 OEM market quotes for modules, inverters, BESS, wind turbines, transformers.
• Interpret drawings and reports to prepare WBS/CBS and BoQs.
• Prepare RFQs for civil, structural, and electrical subcontractors; perform price normalization and gap analysis.
• Lead quantitative risk modelling, contingency sizing, and escalation analysis for bid reviews.

Skills

First principles estimating

Excel modelling

Cost modelling

Bidding/pricing

Education

Electrical/Civil/Renewables Eng degree

Construction Management / QS

Tools

Expert Estimation

Candy

Benchmark

Job description

Gamuda Australia is seeking an experienced Senior Estimator - Renewables to join our Pre-Contracts & Tenders team. You will lead first-principles, resource-based estimating, technical cost modelling, and pricing strategies for major utility-scale renewables bids ($100M–$500M+).

You will work on solar PV, BESS architecture, wind farm balance of plant, and HV grid connection infrastructure under EPC and D&C delivery models, collaborating with our Estimating Manager and Renewables Lead.