Principal Engineer - Secondary
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Sep 18, 2026.
- Full-time, permanent position
- Based in our Adelaide head office
- Join an industry leader who is supporting Australia move towards a renewable energy future
Who Are CPP?
CPP is a leading high-voltage infrastructure provider, connecting renewable energy projects to Australia’s electricity grid.
As a member of Quanta Services, a Fortune 500 company ranked #192 on the NYSX,we specialise in the design, construction, commissioning, and maintenance of substations, transmission lines, wind farms, and battery storage systems.
Established in 1996, we’ve connected more wind farms and renewable batteries than any other company. With over 800 employees and offices in Adelaide, Melbourne, Sydney, Brisbane, and Perth, we partner with Australia’s major transmission providers to deliver innovative, end-to-end solutions.
Join us in shaping the future of energy.
Design & Engineering
CPP has the largest in-house design and engineering team of any contractor in Australia, with over 170 specialists across Electrical Primary and Secondary, Civil, Structural, and SCADA disciplines. We provide end-to-end engineering solutions for high-voltage infrastructure, including nationally significant transmission projects, HV substations, wind farms and battery storage systems that drive Australia’s renewable energy transition.
Our engineers work closely with construction and operations teams, ensuring designs are practical, constructible, and continually refined through real-world feedback. With a commitment to innovation and excellence, we deliver solutions that support a stable, reliable, and sustainable energy future.
The Opportunity
CPP continues to secure some of Australia’s largest renewable energy and utility infrastructure projects, creating an exciting opportunity for a Principal Engineer - Secondary with specialist protection expertise to join our established Adelaide engineering team.
In this role, you’ll provide high-level protection engineering expertise across the design and delivery of complex high-voltage transmission and renewable energy projects. Working alongside our highly respected national engineering team, you’ll lead the development and review of protection philosophies, relay settings, fault studies and protection schemes that support the safe and reliable operation of substations and renewable energy infrastructure.
Your expertise will extend beyond design. You’ll provide technical assurance across projects, resolve complex protection challenges and support commissioning and energisation activities. You’ll also play an important role in mentoring engineers and graduates, strengthening protection capability across the business and helping shape engineering standards and best practice.
With exposure to nationally significant renewable energy and utility projects, you’ll have the opportunity to influence complex engineering outcomes and see projects progress from concept through to commissioning.