Operational Technology Security Strategist

Power doesn’t just flow through transmission lines, it flows through trust, resilience, and the people who protect it.

At Transgrid, we’re building the future of energy…. secure, intelligent, and ready for what’s next. As our Operational Technology Security Strategist, you won’t just respond to cyber threats you’ll stay ahead of them, shaping the security backbone of critical infrastructure that millions rely on every day.

This is a role for someone who sees the bigger picture. Someone who understands that operational technology isn’t just systems and assets it’s the heartbeat of a nation’s energy network.

In this role, you will:

Design and drive end-to-end security strategies across a complex digital infrastructure spanning protection and control systems, telecommunications networks, and advanced OT environments. Your work will influence how we secure today’s grid while preparing for tomorrow’s challenges, aligning cutting-edge frameworks like IEC62443, NIST, and AESCSF with real-world performance, risk, and investment outcomes.

From embedding security into asset lifecycles and capital programs, to guiding executive decisions and collaborating across technical and operational teams, you’ll be a key voice in how Transgrid balances innovation, compliance, and resilience.

Why this role matters

This is more than a technical role it’s strategic leadership in action. You’ll shape policy, influence investment, elevate cyber maturity, and ensure that security is not an afterthought, but a foundation.

If you’re ready to secure critical infrastructure at scale, work alongside passionate experts, and leave a lasting mark on Australia’s energy future, this is your opportunity.

Transgrid. Powering the future securely

About you:

• A minimum 5+ yrs experience in OT and industrial control systems (ICS), risk assessments, security architecture, network and technology security
• Familiarity with security standards and frameworks including IEC62443, NIST, ISMS and AESCSF
• Knowledge of OT systems and environments preferably inclusive of a variety of HV protection/control IEDs, Remote Terminal Unit (RTU) type controllers, metering devices, grid monitoring devices, WAN architecture, SDH & MPLS-TP telecommunication networks, and Supervisory Control and Data Acquisition (SCADA) systems
• Experience with security and technologies such as intrusion detection systems, endpoint security solutions, access management solutions, SIEM, device asset management solutions, and network vulnerability scanning
• Working knowledge of current security threats and security technology evolution facing IT and OT

Applicants must: 

• Be able to attend Sydney based office locations
• Be an Australian citizen, hold permanent resident status or be eligible to achieve permanent resident status

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 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!     

Applications close on the 10th of May 2026 - Please note, our vacancy close dates may be subject to change, and we will assess applications as they are received.

 If you're ready to lead at scale, influence national energy outcomes, and leave a lasting impact—this is your moment.

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

We do not accept agency introductions as Transgrid operates a direct sourcing model.