Senior EPC Estimator (m/w/d)
Energy Vault
Company Overview
Energy Vault Holdings, Inc.
Melbourne, VIC, Australia
2017
Approximately 200 employees (source: linkedin.com). Revenue of $50 million in FY 2024 (source: energyvault.com).
What They Do
Energy Vault specializes in innovative energy storage solutions aimed at addressing the intermittency challenges of renewable energy. The company operates across three primary technology domains: gravity-based energy storage, battery systems, and hydrogen technology. Energy Vault is recognized for its technology-agnostic approach, which allows it to provide tailored solutions to customers rather than promoting a single storage technology (source: energyvault.com). The flagship G-VAULT family of products utilizes a unique gravity storage mechanism that maintains high efficiency and offers adjustable energy-to-power ratios, making it suitable for various applications (source: energyvault.com). Additionally, the company has developed a comprehensive software ecosystem that enhances operational control and optimizes energy dispatch across diverse storage and generation assets.
Projects & Track Record
Energy Vault has made significant strides in project execution, having deployed 1.4 GWh of energy storage solutions since 2023 (source: energyvault.com). Notable projects include a large-scale battery installation in Stanton, Orange County, which integrates 68.8 megawatts/275.2 megawatt-hours for W Power and Wellhead Electric, marking it as one of the largest in Southern California (source: energyvault.com). Furthermore, Energy Vault has secured a transformative 400 megawatt-hour project with ACEN Renewables at their New England solar farm in New South Wales, Australia, which is touted as the largest in the country (source: energyvault.com). This project exemplifies the company's capability to deploy its gravity storage technology at scale.
Recent Developments
In recent months, Energy Vault has announced significant developments, particularly in Australia. In May 2024, the company revealed its first project in Australia, a 400 megawatt-hour initiative with ACEN Renewables, followed by a commitment to a full gigawatt-hour project, indicating a rapid expansion in the region (source: energyvault.com). The partnership with the State Electricity Commission (SEC) to build and operate a 100 MW/200 MWh battery project further validates Energy Vault's innovative technology and positions it as a leader in the energy storage market (source: energyvault.com). These developments not only enhance the company's project portfolio but also reflect growing investor confidence in its capabilities.
Working There
Energy Vault fosters a dynamic work environment that emphasizes innovation and customer-centric solutions. The company operates across various functional areas, including engineering, R&D, software development, and project delivery teams, which are crucial for integrating and deploying customer solutions (source: energyvault.com). With offices in Switzerland and significant operations in Australia, Energy Vault is actively hiring to support its growth ambitions. The culture is characterized by a commitment to sustainability and technical excellence, attracting professionals who are passionate about addressing global energy challenges (source: energyvault.com). The company's recognition as a Technology Pioneer by the World Economic Forum underscores its appeal to purpose-driven individuals focused on making a positive impact.
Last updated on 2026-02-23 | Report an issue
We seek an experienced Senior EPC Estimator - APAC to support cost estimation for building Battery Energy Storage System (BESS) projects, initially in Australia. You will be part of the application engineering team and work directly with application engineers, project execution and the commercial team. These projects are based on our technology agnostic energy storage systems to provide dynamic solutions to our clients, including utilities, governments, and industrial companies. As we grow and deliver on more contracts worldwide, you will be responsible for Engineering, Procurement and Construction (EPC) proposal processes globally and play a key role in the global EPC cost framework.
Your Mission
- Create turnkey construction RFPs or RFQs and work with procurement and project execution teams to identify suitable construction partner(s)
- Work across teams to pull information and resources as necessary to design and differentiate customer-centric solutions into the RFP/RFP package (SLD, layouts, codes and standards, contract flow downs etc)
- Run techno-economic analysis to drive optimum design and solution from a constructability point of view
- Possess a good understanding of environmental, geotechnical, hydrological reports and their impact to civil construction costs
- Possess a good understanding of electrical codes and standards and their application to BESS project construction
- Perform electrical and civil take offs and generate construction estimates
- Develop the necessary tools and processes to drive continuous improvement in Energy Vault's customer proposals and offerings
- Be able to interpret & create if necessary SLDs and site layouts that accurately represent the proposed solutions
- Work with team lead to identify strategic partnerships
Your Background
- 5+ years engineering experience with Energy Storage Systems (ESS) and with Renewable Generation technologies
- 5+ years of construction estimation experience with Renewable Energy Systems
- BS in engineering (electrical, mechanical, or similar) strongly preferred, but not required
- Licensed electrician in Australia a plus
- Existing relationships with Australian based EPC companies
- Experience in negotiating EPC contracts with subcontracts
- Experience with Renewable Energy Project management is a plus
- Experience with electrical power systems designed for power generation, distribution, and storage
- Experience managing all aspects of technical solution proposal including site evaluation and analysis, technology selection and optimization, detailed costing and estimating, and EPC contract negotiations
- Basic knowledge of NEC, IBC, IEC and IEEE requirements in renewable and energy storage industry
- Experience in electrical design including basic conductor sizing, protection and controls configuration, and familiarity with substation design and engineering concepts
- Good knowledge and understanding of inverter-based power systems including basic design principles and limitations
- Willingness to travel domestically and internationally up to 20%
- Comfortable thriving in fast-paced, rapid growth environments.
- A passion for sustainability, our mission, and our vision is a bonus!
Benefits of Powering the Future with Energy Vault
- Annual bonus plan.
- Restricted Stock Units (RSUs).
- Reimbursement for approved home office equipment.
- Reimbursement for home internet, including mobile phone, up to AUD $85 per month.
- Wellbeing Leave.
- Employee Assistance Program.
- Access to novated leasing.
- Option to purchase additional leave.
Apply now
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About the role
February 26, 2026
Full Time
Company
- Melbourne, Australia
5+ years
UTC+10:00
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