Senior Design Engineer - High Voltage

At Transgrid, we play a crucial role in connecting electricity generators through our transmission network to the distribution network that power homes and businesses - We operate over 13,000km of high voltage transmission wires and 128 substations in NSW, VIC and the ACT.

It is an exciting time in the industry as we are leading the transition to Australia’s clean energy future, with a growing network and the extra career opportunities that this growth brings.

The Senior Design Engineer – High Voltage plays a critical role in delivering high-quality design solutions for high voltage electrical systems.

This role will see you lead and deliver high voltage primary system designs, including single line diagrams, substation layouts, lightning protection, earthing, and related calculations, while coordinating internal teams and design consultants to ensure project objectives are met.

You will work autonomously on complex projects, providing expert technical solutions, guidance, and mentorship to other team members.

• Perform and review and approve high voltage designs in accordance with Australian and IEC standards, as well as Transgrid technical requirements.
• Complete detailed design calculations including short circuit forces, conductor sizing, lighting and lightning protection studies.
• Manage or complete studies in specialist areas such as earthing, noise, electric and magnetic fields, corona performance, insultation coordination or power coordination.
• Prepare and review or manage feasibility studies to determine HV design requirements for proposed projects.

• Degree qualification in Electrical Engineering or a related discipline.
• Extensive experience in high voltage design across all functional areas of transmission network substations.
• Experience overseeing the completion of designs to meet project requirements and timeframes.
• Ability to complete, review and approve project designs with both internal teams and external consultants and contractors.
• Proficiency with engineering business systems and design software, preferably Bentley ProjectWise and MicroStation.

Transgrid’s core values encompass safety, achievement, integrity, and service.

Prioritising safety above all, the company emphasises making a meaningful impact through achievement, upholding honesty through integrity, and delivering exceptional outcomes for customers and communities through dedicated service.

These values are ingrained in the actions and behaviours of Transgrid’s people, who embody them every day.

At Transgrid, we empower our people with a well-rounded benefits package designed to support their personal, professional and social wellbeing, helping them deliver their best work every day.

Employees have access to a range of corporate discounts across retail, utilities, travel, health and wellbeing, as well as novated leasing options, workplace flexibility, 20 weeks paid parental leave and more.

Regardless of where you are in your professional journey, Transgrid powers your career by providing access to regular and ongoing training, workplace mentoring and tertiary education.

Here you are encouraged to build a career that is right for you.

Applications close Friday 11th September 2026.

Transgrid is committed to Health and Safety, the Environment, Equal Employment Opportunity, Diversity and Ethical Practices.

All applicants are expected to demonstrate an understanding of and commitment to these areas