Electrical (HV and LV) Lead Engineer

SYSTRA is one of the world's leading engineering and consultancy groups specialising in public transport and sustainable mobility. With over 10,300 employees, SYSTRA's mission is to design safe and sustainable transport solutions to bring people together, develop social inclusion and facilitate access to employment, education and leisure throughout the world.

For 65 years, the Group has been working alongside cities and regions to contribute to their development by creating, improving and modernising their infrastructure and transport systems, throughout the life cycle of their projects. SYSTRA is involved from the earliest stages of design through to the testing, deployment and maintenance phases. The company provides all its services in over 80 countries worldwide and generates 74% of its turnover internationally. With its new services, SYSTRA supports its clients and partners in their digital, ecological and energy transition, in order to invent the mobility of tomorrow.

Context

It is rare to find an infrastructure project immune to budget and political cycles, but this one has a career horizon stretching all the way to 2086. We are looking for an Electrical (HV and LV) Lead Engineer to join the Newcastle–Sydney HSR corridor—a 100% renewable, greenfield network that is setting a new global standard for engineering excellence.

Missions/Main Duties

In this role, you will be the technical lead for the digital and physical power systems that drive the network. From sizing autotransformer feeding points to ensuring fail-safe power for critical life safety plant, you will own the electrical integrity required to support a 320 km/h HSR system.

Profile/Skills

• Lead the design of the full electrical infrastructure for the package, including 25 kV / 2x25 kV AT traction power supply and distribution.

• Manage HV switching and protection, LV power distribution for tunnel and station plant, and earthing and bonding systems.

• Develop the traction power supply strategy for the corridor, including substation locations and load flow modelling to confirm voltage profiles and energy consumption.

• Model regenerative braking capacity under worst-case timetable scenarios.

• Manage the design of tunnel electrical infrastructure, including UPS systems, emergency power, and lighting.

• Co-ordinate with the Tunnels Lead and Tunnel Ventilation Lead to ensure all plant is correctly allocated and powered.

• Lead the integrated earthing strategy for traction return current, HV plant protection, and stray current control to protect third-party infrastructure.

• Provide technical input into system specifications and equipment procurement during the ECI phase.

• Advise on interface compatibility with signalling, OLE, and communications systems.

• Co-ordinate with the Rail Systems Lead and Fire & Life Safety Lead to ensure electrical designs support emergency scenarios, including safe traction power isolation.

If you are ready to put the "greenest thing possible" on your CV and lead a technical legacy that moves the needle for decades to come, we want to hear from you.