Ot Cyber Delivery Specialist

South East Water; Melbourne; Hybrid; AUD 120,000 - 160,000; Full time

Job summary

South East Water is seeking an experienced OT Cyber Delivery Specialist to enhance cyber security, resilience and operational integrity of our OT environment. You will work hands-on across industrial control systems, SCADA environments, telemetry networks and field devices to strengthen security while ensuring safe, reliable water services.

You will configure RTUs/PLCs, deliver upgrades and support GeoSCADA/PI Historian, DNP3 protocols, and IT/OT security integration, collaborating with vendors

Qualifications

• Hands-on OT engineering in utilities or critical infrastructure.
• Experience configuring, programming and commissioning RTUs and PLCs.
• Strong knowledge of industrial control systems and field communications.

Responsibilities

• Configure, program, commission and troubleshoot RTUs, PLCs and field OT equipment.
• Deliver upgrades, migrations, testing, cutovers and commissioning across OT environments.
• Administer and support SCADA and historian platforms (GeoSCADA, PI Historian).
• Troubleshoot telemetry, communications, alarms and end-to-end control system performance.
• Configure and support industrial protocols including DNP3 and DNP3-SA.
• Investigate network, connectivity, routing, firewall and protocol issues in OT environments.
• Deliver OT cyber security initiatives like network segmentation and secure remote access.
• Support OT asset discovery and secure architecture for resilience.
• Develop technical requirements, implementation plans and operational handover artefacts.
• Collaborate with operational teams, engineers, cyber specialists and vendors.

Skills

OT engineering

SCADA systems

RTUs/PLCs programming

Industrial networking

Cyber security in OT

Tools

GeoSCADA

PI Historian

DNP3

DNP3-SA

Active Directory

Job description

Who are we?

We’re here to help people live well and create a better and more sustainable future. We support healthy and liveable communities by delivering water, sewerage and recycled water services to 1.77 million people who rely on us every day and every night. At South East Water, we innovate with purpose and act with care to deliver healthy water for life. Fresh thinking and collaboration are at the heart of our organisation. We are constantly learning, embracing the challenges of today and excited by the opportunities that tomorrow will bring.

The role

South East Water is seeking an experienced OT Cyber Delivery Specialist to deliver and enhance the cyber security, resilience and operational integrity of our Operational Technology (OT) environment.

This is a hands-on engineering and delivery role suited to an OT practitioner with practical experience working across industrial control systems, SCADA environments, telemetry networks and field devices. You'll play a critical role in strengthening cyber security while ensuring the safety, reliability and availability of operational systems that support essential water services.

What you'll do:

• Configure, program, commission and troubleshoot RTUs, PLCs and field-based operational technology equipment.
• Deliver upgrades, migrations, testing, cutovers and commissioning activities across OT environments.
• Administer and support SCADA and historian platforms, including GeoSCADA, PI Historian or equivalent technologies.
• Troubleshoot telemetry, communications, alarms, integrations and end-to-end control system performance.
• Configure and support industrial communications protocols, including DNP3 and DNP3 Secure Authentication (DNP3-SA).
• Investigate and resolve network, connectivity, routing, firewall and protocol-related issues across OT environments.
• Deliver OT cyber security initiatives, including network segmentation, IT/OT separation, secure remote access and privileged access controls.
• Support OT asset discovery, visibility and operational resilience through secure architecture and monitoring practices.
• Develop technical requirements, implementation plans, testing strategies, documentation and operational handover artefacts.
• Partner with operational teams, engineers, cyber specialists and vendors to deliver secure, reliable and compliant OT solutions.

Who are you?

You are a practical OT engineer who understands how operational systems work in real-world environments. You will bring:

• Significant hands-on OT engineering experience within utilities, water, energy, manufacturing, transport or other critical infrastructure environments.
• Demonstrated experience configuring, programming and commissioning RTUs and PLCs.
• Strong knowledge of industrial control systems, telemetry and field communications.
• Experience with SCADA platforms, ideally GeoSCADA or similar environments.
• Experience working with historian platforms such as PI Historian.
• Knowledge of DNP3 and exposure to DNP3 Secure Authentication (DNP3-SA).
• Experience supporting OT Active Directory environments, service identities and authentication integrations.
• Strong understanding of industrial networking, routing, switching, firewalls and secure remote access.
• Experience applying cyber security principles within operational environments.
• Ability to analyse technical issues, investigate faults and support critical operational systems.
• Excellent stakeholder engagement, vendor management and communication skills.

What's in it for you?

Working at South East Water means you can enjoy a wealth of benefits, starting with the chance to be part of an organisation deeply committed to environmental initiatives and sustainability; one who has been recognised as one of the top 101 Workplaces for Women in Australia by Work180 for the past two consecutive years and a 2026 Finalist in the Work180 Equitable Workplace Awards ‘Flexible Working’ category.

South East Water cultivates a dynamic culture that emphasises collaboration and strong work ethics, supported by career-focused learning and development opportunities. As a SEW employee, you can enjoy the following offerings from our benefits package:

• Access to My Fitness Passport, an Employee Assistance Program (EAP), annual flu shots, and health checks.
• Work-life balance with flexible working arrangements, including hybrid work options and leave purchasing.
• Additional leave offerings, such as cultural and ceremonial leave and study leave.
• Head office with modern facilities and panoramic beachfront views, a separate parents' room, a prayer and meditation room and an onsite cafe.
• Limited free onsite and offsite car parking available, as well as pay-as-you-go parking options nearby.
• Opportunity to be part of great initiatives involving the local community.

We're for everyone

Our people are as diverse as the communities we serve. It makes us better learners, thinkers and collaborators, helping create better outcomes for our customers.

We are deeply committed to Diversity, Inclusion, and Belonging, and we encourage applications from Aboriginal and Torres Strait Islander peoples, LGBTIQ+ individuals, people with disability and jobseekers of all ages and cultures. We aim to provide an inclusive, accessible workplace where everyone is welcome, safe, and celebrated. If you need any help with the application process or would like to discuss your reasonable adjustments during interviews, please reach out to our Talent team at [e-mail].

To be considered for this opportunity, you must hold unrestricted working rights for the period of employment at the time of application. Successful candidates will also be required to undergo a number of pre-employment checks, including a police records check

South East Water operates a 24/7 service environment. Whilst this role does not involve after-hours rostered duty, all employees may be required to provide out of hours support from time to time as required.

Visit southeastwater.com.au to learn more about us and how we serve our customers.