Who We Are
Zinfra is a leading partner in the design, build, operation and maintenance of Australia's energy and utilities infrastructure. Delivering an annual portfolio of more than $1.2 billion, our work helps keep energy flowing safely and reliably to communities across Australia while supporting the nation's energy transition.
With a workforce of more than 2,800 people, we deliver complex infrastructure, asset management and field services across Australia's east coast. Our people draw on deep industry experience, an unwavering commitment to safety, and practical innovation to deliver the right outcomes for our clients and communities.
About the Role
We are looking for a Secondary Design Engineer to join our growing Engineering team and help expand our in-house secondary design capability.
Working on zone substation, transmission and distribution projects across Victoria, you'll support major clients including AusNet and Jemena, delivering critical infrastructure that powers homes, businesses and communities.
This role offers exposure to the full project lifecycle, from design and planning through to commissioning and project delivery. You'll work alongside experienced engineers across multiple disciplines, broaden your technical expertise, and play a key role in shaping our growing engineering capability.
Key Responsibilities Include
Deliver secondary design solutions for substation, transmission and distribution projects
Prepare and review protection drawings, schematics, calculations and design documentation
Manage project scope, schedules, budgets and design deliverables
Support commissioning, construction and technical problem-solving activities
Collaborate with clients, project teams and stakeholders to deliver high-quality outcomes
About You




You are a collaborative and solutions-focused engineer who enjoys solving complex problems and working with others to deliver meaningful outcomes. You'll bring:
A degree qualification in Electrical Engineering
Experience delivering secondary designs for zone substations, transmission and distribution networks
Strong knowledge of protection systems, secondary systems and substation design principles
Experience using AutoCAD, PSCAD, ETAP or similar industry design software
Strong stakeholder, communication and project management skills
Experience working within Victorian electricity networks will be highly regarded.
Why Work With Us
What we do matters. Delivering protected and reliable energy makes a difference to people's lives across Australia every day. We are proud to keep communities connected while preparing the nation for a renewable future. We are a certified family-friendly workplace and offer a range of benefits that support our people at work and outside it.
We know Zinfra is a great place to belong – but don't just take our word for it. Hear directly from our people about what it's like to build a career, make an impact and be part of the team at Zinfra.
Flexible and hybrid working arrangements, where role-appropriate
Recognition through our Incentivise program
Paid parental leave and universal reproductive health leave
We champion and value diversity in life and work experiences, because broader perspectives strengthen our problem solving, decision making and ability to innovate. We welcome applications from everyone, including First Nations peoples, veterans, people living with disability and members of the LGBTIQA+ community.
If you require adjustments during the recruitment process, please let us know.
Notice to Third Parties
Zinfra does not accept unsolicited resumes, or liability associated with fees or costs, from recruitment agencies, search firms or other third parties. Interested candidates are welcome to submit their application independently.

📌 Secondary Design Engineer (Melbourne)
🏢 Zinfra
📍 Melbourne