TransGrid

Principal Engineer - System Security Analysis

Join TransGrid in New South Wales as Principal Engineer to lead system security analysis and shape Australia’s electricity grid. This senior role offers strategic influence, mentoring, and benefits like flexible work and parental leave.
TransGrid
TransGrid
New South Wales, Australia Flexible Full time UTC+10:00

TransGrid

Company Overview

TransGrid

Sydney, NSW, Australia

1995

Approximately 1,150 to 1,780 employees (source: zoominfo.com). Revenue of $887 million in FY 2023 (source: rocketreach.co).

What They Do

TransGrid's primary focus is on operating the high-voltage electricity transmission network across New South Wales (NSW) and the Australian Capital Territory (ACT). This extensive network spans over 13,085 kilometers of transmission lines and includes 128 substations operating at various voltages, including 500 kV, 330 kV, 220 kV, and 132 kV. The company connects a diverse range of stakeholders, including generators, distributors, and 20 direct-connect customers such as Endeavour Energy, Ausgrid, Evoenergy, and Essential Energy, while also facilitating the integration of renewable energy sources like wind and solar (source: wikipedia.org). Additionally, TransGrid operates a telecommunications network that exceeds 4,000 kilometers, primarily utilizing Optical Ground Wire on its transmission lines.

TransGrid offers a variety of products and services, including high-voltage transmission network management, connections for renewable generation, and telecommunications infrastructure. The company also provides non-regulated services through its Transgrid Services Group (TSG), which was established in 2018 to enhance infrastructure and telecom delivery (source: transgrid.com.au). Target markets include the National Electricity Market (NEM), serving NSW and ACT, with interconnections to Queensland and Victoria. The company emphasizes grid stability, particularly as the energy landscape transitions towards renewable sources.

As Australia's largest transmission network operator, TransGrid differentiates itself through its extensive infrastructure scale and innovative technologies. This includes the deployment of synchronous condensers for inertia and voltage control, which are essential for accommodating higher levels of renewable energy penetration. The company also invests in innovation funds, such as the $4.7 million Demand Management Innovation Allowance (DMIA), aimed at supporting flexible loads and virtual power plants (VPPs), alongside advancements in drone inspections and control room technology upgrades (source: smartcitiestech.io).

Projects & Track Record

TransGrid has been involved in several notable projects that highlight its commitment to enhancing the electricity transmission network. One significant project is the South Australia portion of EnergyConnect, which spans 200 kilometers between Robertstown and the NSW/SA border, completed by ElectraNet in December 2023. This project is part of a larger 700-kilometer interconnector that aims to unlock 1,800 MW of clean energy across NSW, South Australia, and Victoria's renewable zones, supported by $295 million in financing from the Clean Energy Finance Corporation (CEFC) and creating approximately 1,700 construction jobs (source: cefc.com.au).

Ongoing major projects include the full EnergyConnect initiative, which will cover a total of 900 kilometers, and the installation of synchronous condensers at five sites across NSW, contracted with GE Vernova in November 2025. These installations are crucial for providing grid inertia, voltage control, and fault current capabilities to replace functions previously served by coal. Additionally, TransGrid is upgrading its control room technology to enhance dynamic high-voltage operations and is utilizing digital twin simulations for grid scenarios through a partnership with AgenticGrid.ai, funded by the DMIA (source: gevernova.com).

TransGrid's key clients and partnerships include GE Vernova, Elecnor Australia, ElectraNet, and the Clean Energy Finance Corporation, as well as direct connections with major energy distributors like Endeavour Energy, Ausgrid, Evoenergy, and Essential Energy. The company's geographic presence is robust, covering NSW and ACT fully, with interconnections to Queensland and Victoria, and ongoing expansion efforts through projects like EnergyConnect into South Australia's renewable zones (source: wikipedia.org).

Recent Developments

In November 2025, TransGrid signed a significant contract with GE Vernova for the installation of synchronous condensers at five sites in NSW, aimed at stabilizing the grid during the transition from coal to renewable energy sources (source: gevernova.com). Earlier, in September 2025, the company launched a $4.7 million Demand Management Innovation Allowance (DMIA) fund, which awarded funding to AgenticGrid.ai for developing grid digital twins that simulate the integration of renewables and weather events (source: smartcitiestech.io). Additionally, Brett Redman was appointed as the Chief Executive Officer, marking a significant leadership change within the organization (source: zoominfo.com).

ElectraNet successfully completed the South Australia portion of EnergyConnect in December 2023, which is a critical advancement for TransGrid's 700-kilometer segment in NSW, further enhancing the interconnectivity of the electricity grid (source: cefc.com.au). Furthermore, TransGrid has initiated a control room technology uplift program to improve operations for the clean energy grid and has established community partnerships that offer grants of up to $10,000 in Broken Hill and Far West NSW until December 7, 2024 (source: transgrid.com.au). Notably, the company's new headquarters at 180 Thomas St, Haymarket, Sydney, has achieved a 6-star rating, making it the first project in NSW to reach such a standard (source: thefifthestate.com.au).

Working There

TransGrid offers a diverse range of roles across various departments, including Engineering & Technical, Operations, Information Technology, Finance, Marketing, Legal, and Human Resources. The company employs approximately 300 individuals in Engineering & Technical, 273 in Operations, 200 in Information Technology, and 185 in Finance, among others, with executive leadership comprising CEO Brett Redman, CFO Nadine Lennie, and Executive General Manager Network Marie Jordan (source: zoominfo.com). Hiring primarily occurs at the Sydney headquarters, located at 180 Thomas St, with additional offices in Newcastle, Orange, Tamworth, Wagga Wagga, and Yass, employing a total of 979 individuals in Australia and a small number in Europe and North America (source: wikipedia.org).

The company culture is reflected in its 6-star rated Haymarket headquarters, which emphasizes efficiency and innovation, aligning with the company's commitment to clean energy transition and stakeholder engagement. TransGrid actively collaborates on innovation projects through the DMIA and engages in community partnerships, such as providing grants to local initiatives (source: thefifthestate.com.au). While specific benefits are not extensively documented, the leadership under People & Culture head Stephen McSweeney suggests a structured approach to human resources support (source: wikipedia.org).


Last updated on Feb 23, 2026 | Report an issue

Are you a recognised expert in power systems looking to shape the future of Australia's electricity grid?

We are seeking a Principal Engineer with deep expertise in system strength and system security to lead complex analysis, influence industry direction, and support critical transmission network developments.

This is a senior, high-impact role where you will combine technical leadership, strategic thinking, and industry engagement to enable the transition to a more sustainable and reliable energy system.

About the Role

As a Principal Engineer, you will act as a technical authority in power system analysis, leading advanced studies and providing specialist advice on transmission network performance and generator connections.

You will play a key role in shaping long-term network strategies, improving analysis frameworks, and representing the organisation across industry forums and technical conferences.

What You'll Be Doing

  • Leading and undertaking system strength and system security analysis for complex transmission network challenges
  • Providing expert advice on network planning, performance, and generator connections
  • Overseeing detailed modelling and studies using PSCAD, PSS??E, SSAT, and similar tools
  • Extensive experience with programming languages such as Python for automation purposes
  • Developing and refining power system analysis methodologies, including for emerging technologies such as grid-forming batteries
  • Leading options analysis and contributing to both network and non-network solutions
  • Delivering high-quality technical reports, briefings, and presentations to senior stakeholders
  • Supporting key planning activities such as system stability, fault performance, reactive power requirements, and control systems
  • Representing the organisation in industry forums and engaging with stakeholders including AEMO
  • Leading stakeholder discussions and influencing technical outcomes across the sector
  • Mentoring engineers and building capability across the team

About You

You are a highly experienced and respected power systems engineer with strong technical depth and the ability to influence at a senior level.

You will bring:

  • A degree in Electrical Engineering or a related discipline
  • Extensive experience in power system and transmission planning, with a focus on system strength and system security
  • Advanced expertise in tools such as PSCAD, PSS??E, SSAT, and similar platforms
  • Strong experience modelling renewable generation, batteries, and synchronous machines
  • Proficiency in Python and similar programming languages for automation and analysis
  • Deep understanding of power system dynamics, including small signal stability and control systems
  • Basic knowledge of control system concepts for the purpose of tuning exercise
  • Strong knowledge of the National Electricity Market and its regulatory framework
  • Excellent communication skills, with the ability to influence senior stakeholders and represent the organisation externally
  • A strategic mindset with strong problem-solving and analytical capability
  • Postgraduate qualifications are highly regarded

Our Values

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.

Recognition & Reward

We believe in providing our people personal, professional and social benefits so that they can deliver their best work each and every day. Employees have access to a range of corporate discounts across retail, utilities, travel, health & wellbeing etc, as well as novated leasing options, flexible workplace policies, 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 on-going training, workplace mentoring and tertiary education. Here you are encouraged to build a career that is right for you.

Applications close on the 24th of April 2026 however will be assessed on a rolling basis and may close earlier. Apply today and play a crucial role in driving the transition to a cleaner, more sustainable energy future!

Apply now

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About the role

April 8, 2026

Full time

Company

April 8, 2026

Flexible

Energy Storage , Smart Grid

TransGrid

transgrid.com.au

  •  New South Wales, Australia

Senior level

UTC+10:00