ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals, present in more than 40 countries across the five continents, all contributing in our mission to design a better planet. Are you a passionate individual who wants to make a difference, promote sustainable development, and find solutions to the biggest global challenges including climate change, overpopulation, and water scarcity? Come and join us in building the infrastructure our planet needs to achieve a sustainable future.
Job Description
An 80-year group, COBRA promotes its own efficient business model, the result of the combination of decentralization, geographical diversification and technical specialization of more than 20,000 professionals in more than 43 countries. In this way, it offers a wide range of services throughout the value chain of projects, adapted to each sector and to the scope of the contract required by our clients, both public and private.
Cobra is divided into four main sectors of activity, Networks, Specialised installations, integrated projects and concession assets.
ACEREZ, a partnership of ACCIONA, COBRA and Endeavour Energy, has been appointed preferred network operator by EnergyCo to design, build, finance, operate and maintain the Central-West Orana Renewable Energy Zone (REZ) transmission line network. The ACCIONA COBRA Joint Venture (ACJV) is the design and construction contractor for ACEREZ.
The Central-West Orana Transmission Project will provide new high-capacity transmission lines, energy hubs and supporting infrastructure to transfer power generated by solar and wind projects to electricity consumers. The new infrastructure is expected to be operational by 2028 and will initially unlock up to 4.5 gigawatts of new network capacity.
Location
The successful candidate will require someone to be based in Sydney and work in our Sydney offices full time, Monday to Friday.
About the Role

Our Central-West Orana project is currently seeking dedicated Electrical Design Engineers to share their expertise within our growing Substation team. This position will work closely with cross-functional teams, including design, procurement, construction, and quality assurance, to ensure that all aspects of the project are delivered on time, within scope, and to the highest standards of quality and safety.

• The main function of the role is to design the substation primary engineering for electrical substation projects up to a voltage of 500kV
• Identify all relevant standards and local Customer requirements, ensuring compliance with relevant National / International Standards and contract specifications
• Understand how the various considerations and constraints effect the design and develop different solutions as part of the design optimisation process
• Coordination of interference checker and its resolution - Ensure clash free design based on the definition of clash checks defined by each discipline for internal review steps
• Prepare substation design calculations e.g. earthing design, busbar sizing, SC force calculations, lightning protection, Battery Sizing, cable sizing, cable schedules, circuit breaker selection, bus, fittings, insulator, transformer sizing and arrector selection
• Define the primary design subsystems and bills of material, to a level where the design can be accurately costed
• Ensure the designs, are safe and adhere to the required electrical clearances while providing the necessary provision for maintenance during the life of the installation
• Directly responsible substation outdoor physical design for the general substation arrangement and layout, plan and elevation drawings, transformer/reactor’s yards design and layouts for high voltage bus, cable, high voltage equipment, conduit, cable, and wiring, grounding, and control buildings to satisfy the electrical transmission requirements
• Writing high voltage equipment specifications and issuance of material purchase request forms, and vendor technical evaluation for substation equipment including high voltage circuit breakers, switchgear, disconnects, Earth switches, HV & MV Power transformers, MV & LV cables, DC System, Harmonic Filters, Synchronous condensers, Shunt Reactors, Auxiliary transformers, RMU, Earthing materials etc
• Interface with other discipline e.g. Civils, Protection, cables and OHL
• Review of Power system modelling, short circuit study, Load flow reports etc
• Scrutiny of various manufacturer Technical documents/drawings/calculations and accord approvals from clients during detailed engineering phase

Required Skills and Competencies

• Bachelor’s degree in electrical engineering, or a related field
• 3+ years of relevant experience in Foundations, ideally in Substations
• Problem solving / analytical skills
• Geotechnical Interpretation
• Should have good knowledge of latest local standards & IEC/IEEE/ANSI standards
• Good knowledge and understanding of layout and primary equipment for substation projects up to 500kV
• Proficient with various software tools, such as AutoCAD , ETAP , etc

We welcome applicants of all backgrounds, identities, and experiences. If you believe you bring the capabilities to succeed in this role, we’d love to hear from you. We look forward to continuing to build our supportive workplace together.
Please note: This position is being delivered as part of a joint venture between two organisations. As such, your employment may be with either of the parent companies, and this will be confirmed during the recruitment process.
For more information on how your personal data is managed, please refer to the privacy statements of each parent company:
Grupo Cobra:
https://www.grupocobra.com/en/privacy-policy/
Acciona:
Privacy Policy | ACCIONA | Business as unusual
ACCIONA has been given the Top Employer 2022, 2023, 2024 & 2025 certification in Australia, which certifies the company’s commitment to excellence in human resources management and those who focus on putting their people first through their exceptional HR policies. Since establishing a presence in Australia in 2002, ACCIONA has made significant investments in local opportunities and project development. ACCIONA employs more than 3,000 people in its renewable energy, infrastructure and water projects across Australia & New Zealand.
We are an Equal Opportunity Employer and promote equality and diversity. Indigenous Australians and candidates from minority groups are encouraged to apply

Please refer the Job description for details