HV System, Technical Manager

Zerra develops and operates hyperscale data centre campuses across Australia, Japan and India, delivering capacity at scale into markets driven by the growth of cloud and AI. Our flexible campus developments support hyperscale and neocloud organisations, enabling some of the world’s fastest-scaling technology businesses to grow with certainty and ambition.

At Zerra, we empower exceptional people to challenge convention, drive innovation and make a real impact in digital infrastructure. Our culture fuses entrepreneurial agility with global expertise, enabling our teams to deliver results that matter.

We believe that diverse perspectives, inclusive leadership and equitable opportunities are essential to building stronger teams and better outcomes. We are committed to fostering a workplace where everyone feels respected, supported and empowered to thrive.

Zerra is part of AGP, an independently owned investor and asset manager that develops and operates real assets across the energy, digital and real estate sectors.

• Lead conceptual and detailed design of primary substations, including transformer sizing, switch gear configuration, and protection coordination.
• Define campus reticulation architecture for 33kV to EHV distribution serving multiple data halls across expansive sites.
• Develop single-line diagrams, equipment specifications, and loadflow models that balance capital efficiency with operational flexibility.
• Coordinate with utilities on interconnection design, metering requirements, and interface points between utility assets and customer-owned infrastructure.

• Oversee HV design execution across concurrent projects regionally, working with local engineering firms and EPC contractors.
• Ensure designs comply with regional grid codes, safety standards, and authority approval processes specific to each jurisdiction.
• Manage design review cycles with utilities, regulators, and independent verification agencies to meet project milestone dates.
• Establish design templates and standardisation protocols that reduce engineering hours while respecting local code variations.

• Serve as technical representative in utility interconnection negotiations, addressing feasibility constraints, cost allocation, and schedule dependencies.
• Lead coordination meetings with transmission operators, distribution network operators, and regional energy authorities.
• Support Development and Legal teams in reviewing utility connection agreements, technical schedules, and performance guarantees.
• Manage relationships with third-party consultants and certification bodies required for statutory approvals and commissioning sign-offs.

• Integrate HV design with data centre electrical architecture, ensuring seamless handoff between medium-voltage campus distribution and facility-level systems.
• Identify and resolve design conflicts related to space planning, equipment access, cable routing, and operational interfaces.
• Conduct constructability reviews and value engineering assessments to optimise capital cost without compromising reliability.
• Track design risks related to long-lead equipment, supply chain constraints, and regulatory approval timelines, escalating issues proactively.

• Bachelor’s degree in Electrical Engineering or Power Systems Engineering.
• 12+ years of experience in high-voltage substation design, transmission interconnection, or utility-scale power distribution.
• Demonstrated expertise with 33kV to EHV systems, including transformer design, switch gear selection, and protection relay coordination.
• Direct experience coordinating HV design delivery across at least two APAC markets (Korea, Japan, Australia, India, or Singapore).
• Proficiency with electrical design software including ETAP, SKM Power Tools, or equivalent loadflow and short-circuit analysis platforms.
• Strong understanding of IEC standards, regional grid codes, and utility interconnection processes.
• Proven ability to manage multiple concurrent projects, coordinate across engineering disciplines, and meet aggressive delivery schedules.
• Excellent written and verbal communication skills in English; ability to translate technical requirements into stakeholder-appropriate language.

• Bachelor’s degree in Electrical Engineering or Power Systems Engineering.
• 12+ years of experience in…