Senior Electrical Engineer, HV/Primary

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.

Benefits

• Suit Brisbane/Sydney/Perth/Melbourne Home Base
• FIFO, Project Allowance and LAFH allowance where applicable
• Annual pay review and discretionary bonus
• Professional development opportunities
• Income protection and discounted Private Health options
• Salary packaging and Novated leases

ACCIONA Mechanical & Electrical is a specialist division within ACCIONA, delivering end-to-end mechanical and electrical design, construction, installation and commissioning services that support the transition to a low-carbon future.

Position

This role suits an experienced engineer with strong HV/primary systems capability, as the Senior Electrical Engineer – HV/Primary, you will design and deliver high‑voltage substations and primary plant systems that enable the safe, efficient, and resilient operation of transmission networks supporting Australia’s clean‑energy transition.

This role will support the delivery of a wide range of infrastructure projects across Australia, spanning diverse scales and complexities. The position is focused on developing cost-effective, technically robust design solutions. A strong emphasis on constructability ensures that designs translate into efficient, safe, and sustainable outcomes during on-site execution.

Key Responsibilities

• Apply mechanical and electrical engineering principles to independently develop system designs that meet project specifications and incorporate RAM principles
• Develop and refine design components with supervision, ensuring alignment with overall system requirements
• Use modelling and simulation tools to optimise and validate system performance and Compliance, prepare and review technical documentation, including design drawings, reports, and specifications
• Perform Safety in Design assessments and integrate safety considerations into design decisions
• Collaborate with other teams to integrate mechanical, electrical, controls, and communications systems
• Coordinate effectively across disciplines to ensure design integration and resolve interface issues

• Bachelor's Degree in Electrical Engineering
• Chartered Status (including RPEV, RPEQ, NER & CPEng), or the ability to achieve within 6 months of commencing, is desirable
• 4+ years’ HV/primary design experience for transmission networks (220kV+)
• Expertise in HV equipment selection, substation layouts, bus arrangements, earthing, insulation coordination, and primary plant integration.
• Solid understanding of HV transmission standards, TNSP/utility requirements, and relevant design codes.
• Strong in producing clear primary drawings, including GA layouts, SLDs, schematics, equipment schedules, and technical reports.
• Tier 1/Tier 2 EPC or TNSP experience highly regarded but not essential

ACCIONA Mechanical & Electrical is growing, and we’re excited about what’s ahead. 

If this role isn’t the right fit for your skills and experience, but you have a background in transmission or substations, we’d still love to hear from you. Reach out directly to Michelle Ackland at michelle.ackland@acciona.com — we’re always keen to connect with passionate professionals who share our vision for sustainable infrastructure.