Company DescriptionAt NEXTDC we are building the heart of Australia's high-tech future.
We design, build and operate world class, next generation data centres, using cutting edge, environmentally productive infrastructure to service the broad requirements of local and international companies.
NEXTDC is an exciting ASX 100-listed technology company, operating 16 data centres across 7 major cities in Australia, with future national and international expansions in planning.
At NEXTDC, we know that our success depends on the talents of our people, and we foster a culture of continued learning and development.
Our culture is built on collaboration and innovation, we are passionate about what we do, and we are committed to our mission to be the leading customer-centric data centre services company.
Where Cloud lives and AI thrivesJob DescriptionAs a High Voltage Lead Engineer, you will provide technical leadership and operational oversight of all High Voltage (HV) electrical infrastructure across our data centre campus.
You will ensure the safe, reliable, and compliant operation of mission-critical power systems that underpin hyperscale digital infrastructure.This is a hands-on technical leadership role where safety, precision, and uptime are paramount.What you'll doTake technical ownership of all HV electrical infrastructure, including switchgear, transformers, protection systems, and distribution networksPlan, coordinate, and execute high voltage switching operations in accordance with approved procedures and safety standardsIssue and manage HV permits and access authorities, ensuring strict compliance with electrical safety requirementsMaintain and enforce HV operational procedures, including switching, isolation, emergency response,



and safety protocolsCoordinate planned outages and isolations for maintenance, upgrades, and fault resolutionAct as the key interface with electricity utility providers for supply, outages, and infrastructure coordinationOversee preventative and corrective maintenance programs for HV systemsLead fault investigations, root cause analysis, and development of corrective and preventive actionsReview and approve Method of Procedure (MOP), Emergency Operating Procedures (EOP), and Safe Work Instructions (SWI)Maintain accurate operational records including switching logs, outage documentation, and compliance recordsSupport commissioning and energisation of new HV infrastructure and expansion projectsProvide escalation support and after-hours technical response for HV incidentsMentor and provide technical guidance to engineers and technicians working around HV systemsEnsure full compliance with electrical safety regulations, industry standards, and internal frameworksContribute to continuous improvement of reliability, safety, and operational performanceWhat you'll bringStrong expertise in high voltage electrical systems in mission-critical environmentsProven experience performing HV switching operations and managing electrical isolationsDeep knowledge of HV switchgear, transformers, protection systems, and power distribution networksStrong understanding of electrical safety regulations, permit systems,



and safe work practicesAbility to interpret electrical schematics, single line diagrams, and protection studiesStrong analytical skills with the ability to diagnose complex electrical faultsExcellent communication skills with the ability to explain technical concepts clearlyStrong organisational skills and attention to detail in documentation and proceduresAbility to operate effectively in a high-availability, safety-critical environmentExperience with BMS, SCADA, and power monitoring systemsStrong stakeholder management across internal teams, contractors, and utilitiesQualificationsDegree in Electrical Engineering or recognised electrical trade qualification with significant HV experience5–10+ years' experience in HV systems within data centres, utilities, power generation, or heavy industryDemonstrated experience in HV switching operations and outage coordinationStrong understanding of power systems including generators, transformers, UPS, and protection systemsHV Switching Authorisation and relevant electrical safety certificationsExperience managing HV maintenance programs and system reliabilityExperience working with utility providers is highly desirableNV1 Security Clearance (or ability to obtain) desirableAdditional InformationSeize this exciting opportunity to join one of Australia's fastest growing companies and play a key contributing role in the future of AI and the digital economy Join an inclusive, diverse and values-driven working culture Great opportunities to progress within our company (grow as we grow) Our mission is to continue building a diverse and inclusive workforce which represents the communities in which we operate.Make NEXTDC your next move.

📌 High Voltage Lead Engineer (Melbourne)
🏢 Next Dc
📍 Melbourne