Senior Electrical Estimator - Substations and BESS

About the role

ACCIONA's Transmission team in Australia supports national tenders that strengthen energy networks across varied terrain. The Senior Electrical Estimator develops accurate, timely and compliant cost estimates and proposals for electrical infrastructure projects, with a focus on high-voltage substations (AIS/GIS) and Battery Energy Storage Systems (BESS). The role brings specialist expertise in substations and energy storage, including grid connections and balance-of-plant scope.

Key responsibilities

• Develop cost estimates for HV substations (AIS/GIS) and BESS from first principles (materials, plant, labour, subcontractor pricing)
• Coordinate procurement and tendering strategies, including subcontractor pricing and bid meetings
• Conduct risk assessments and manage provisional sums and contingency allowances
• Prepare estimate basis documents, work breakdown structures and bridging documents for cost tracking
• Present estimates and cost reports to senior management and clients

Required profile

• Degree or diploma in Electrical Engineering, or a trade electrical qualification with on-site experience
• 6+ years of experience in engineering, project delivery or related technical roles in infrastructure, utilities or construction
• At least 4+ years of estimating experience on major infrastructure projects, preferably transmission lines, HV systems, substations or electrical infrastructure

Required skills

• Proficiency in CCS/Candy, Expert Estimation, Excel and Power BI
• First-principles estimating and ability to interpret drawings