OT Maintenance Specialist

At Water Corporation we're shifting our focus to the next phase of our strategic plan - building on strong foundations to strengthen capabilities, modernise systems, and accelerate innovation across the business. This phase is about elevating how we deliver technology services: making them faster, more responsive, and more closely aligned to the needs of our people, our operations, and our customers. To support this evolution, we're recruiting for key roles that will be pivotal in strategically shaping a modern, collaborative, and customer‑centric Information & Technology Group. If you're excited about leading innovation, finding smarter ways of working, and making a meaningful impact, now is the perfect time to join us.

About the role:

We are seeking an 18 month fixed term contract opportunity for an Operational Technology (OT) Maintenance Specialist to lead a focused alarm improvement programme across our operational assets. Our Integrated Operations team is currently experiencing high alarm loads, and this role will act as the technical lead and subject matter expert for alarm management, providing direction, oversight, and assurance for alarm improvement activities.

You will provide hands‑on expertise in SCADA and PLC alarm management, while also directing the work of two OT Engineers delivering day‑to‑day alarm improvements. Your leadership will ensure alarm management activities align with recognised standards and deliver measurable, sustainable outcomes. The position is based in the Perth metropolitan area, with occasional travel to regional Western Australia to support workshops, site engagement, and critical implementation activities.

Real benefits that matter

• Real flexibility with options to work from home or negotiate flexible work hours
• An additional 2 well-being days each year
• Access to long service leave pro rata after 3 years of service
• Generous co-contribution superannuation scheme, which offers up to 16%. This includes an 12% standard employer contribution, plus an additional 2% employer co-contribution that matches your own 2% contribution
• Purchase additional leave of up to 12 weeks or work 4 years at a reduced salary and take the fifth year off as paid leave

 Discover more benefits we offer to support the unique and individual ways our employees live.

What the role will involve

• Act as the alarm management technical interface to operations
• Lead the planning, prioritisation, and delivery of alarm management improvements
• Provide technical direction and oversight to two OT Engineers undertaking alarm implementation activities
• Prepare PLC and SCADA alarm configurations, limits, priorities, and rationalisation outcomes for approval
• Lead and facilitate alarm management and alarm rationalisation workshops
• Ensure alignment with recognised standards, including ISA‑18.2
• Analyse alarm performance and drive measurable reductions in alarm loads
• Work closely with Operations, Engineering, and Safety stakeholders to embed sustainable practices
• Travel occasional to regional WA to support on‑site diagnostics, commissioning, and performance validation

Key skills and experience

Essential:

• Experience leading alarm management programs in operational environments
• Strong working knowledge of ISA‑18.2 alarm management practices
• Proven experience providing technical leadership and direction to engineers or multidisciplinary teams
• Strong background in Operational Technology, including SCADA and PLC systems
• Experience across the OT lifecycle, including design, configuration, commissioning, and optimisation
• Excellent stakeholder engagement skills, particularly with operations‑focused teams
• Sound understanding of engineering documentation and management of change (MOC) processes
• Willingness to travel occasional to regional Western Australia

Highly Regarded:

• Experience with major OT platforms, particularly Schneider Electric and Siemens S7 / TIA Portal
• Experience within water and wastewater treatment or similar critical infrastructure sectors
• Strong understanding of industrial communications, including:
• DNP3
• Modbus (Serial / TCP)
• RS‑485 / Profibus
• Profinet / TCP/IP networks

Apply: If you are interested in the above opportunity, please submit a covering letter and resume that best demonstrates your ability to meet the requirements of the role.

As part of the recruitment process you may be required to complete pre-employment screening which may include a medical, qualification check, police clearance and Australian working rights check.

Applications close Wednesday 20^th May 2026

Our commitment to a diverse and inclusive workplace

Diversity and inclusion are more than words. They guide us on building a thriving workforce that reflects the diversity of our customers and our community. 

We encourage applications from every background, including Aboriginal and Torres Strait Islander people, people with disability, women, youth, LGBTQIA+ folks and people from culturally and linguistically diverse backgrounds. 

We are committed to ensuring an accessible and inclusive work environment to enable people with disability to participate fully in all aspects of employment. 

Applicants with disability who require adjustments during the recruitment process including an alternative format of the application form, can contact a Recruitment Officer at recruitment@watercorporation.com.au or 08 9420 2000.  

To read our diversity and inclusion statement, please visit our website