Site SCADA Systems Engineer; Water

Position: Site SCADA Systems Engineer (Water)

Water Site SCADA Systems Engineer

We are looking for a self‑motivated, passionate, and proactive engineer to join our Operational Technology (OT) team. In this role you will be responsible for the daily maintenance and fault‑finding of Site SCADA systems (including AVEVA System Platform / Wonderware, Iconics, and RSView) for critical water treatment works, reservoirs and booster stations across the region.

This is an exciting opportunity to play a key role in the digital transformation of the UK’s largest water company, supporting reliable, resilient and secure SCADA operations that keep water services running 24/7.

What you’ll do as a Site SCADA Systems Engineer (Water) SCADA System Support

• Maintain high availability of site‑based SCADA platforms (targeting 99.2% uptime or higher).
• Deliver essential planned maintenance, including health checks, patches and hotfixes.
• Implement and test disaster recovery plans and complete annual “data of last resort” backups.
• Deliver Site SCADA system updates and upgrades, ensuring programmable OT/ICA assets are maintained and current.
• Respond to SCADA‑related service requests (TAPS) within 15 working days.
• Implement and maintain security improvements to enhance site OT system resilience.

Emergency & Out‑of‑Hours Coverage

• Participate in the in‑hours and out‑of‑hours support roster for SCADA fault response.
• Provide emergency technical support and fault rectification to operations teams.
• Proactively use the OT fault database to optimise service delivery and reduce repeat incidents.
• Escalate recurring faults for investigation, root‑cause analysis and mitigation planning.

Project & Change Support

• Champion the OT Change Management and Risk Assessment process to ensure minimal operational impact.
• Provide technical input during the design and delivery stages of Capital Delivery projects.
• Ensure all OT system changes are controlled, documented and authorised.
• Supply SCADA asset, alarm and event data reports to support operations and compliance.
• Identify and manage key local OT stakeholders to maintain alignment and effective delivery.

Technical Collaboration & Mentoring

• Act as a subject‑matter expert for Site SCADA systems and operational technology architecture in your area.
• Provide mentoring, technical support and guidance to ICA Technicians and local operational teams.
• Foster collaboration within the wider OT Service & Technical team to deliver consistent, high‑quality support.

Base location – Hybrid – Thames Valley‑based offices and operational water sites Working pattern – 36 hours Monday to Friday, with participation in an on‑call rota What you should bring to the role Essential Experience

• Experience in the maintenance and/or delivery of SCADA or ICA systems.
• Excellent interpersonal skills with the ability to build strong working relationships with operations teams.
• Strong customer service orientation with effective communication across technical and non‑technical audiences.
• Proven problem‑solving skills, balancing technical, operational and customer‑focused decision‑making.

Essential Technical

Skills & Qualifications

• Recognised technical qualification in OT, ICA or SCADA systems.
• Hands‑on expertise in site‑based SCADA and PLC systems, with up‑to‑date knowledge of industry best practices.
• Proficiency in AVEVA System Platform / Wonderware and legacy SCADA systems such as Iconics and RSView.
• Strong IT proficiency, including Microsoft Office and Excel for data analysis and reporting.
• Knowledge of extended SCADA programming, MS applications and IP‑based communications (LAN/WLAN).

Desirable Experience

• Experience managing competing priorities and delivering both reactive and project‑based work.
• Knowledge or prior experience in the water industry, utilities or a similar regulated sector.
• Experience negotiating with Operations to secure funding for OT hardware (e.g. servers, switches, UPS systems).

Desirable Technical

Skills & Qualifications

• Technical problem‑solving and fault resolution expertise.
• Understanding of basic LAN network design and troubleshooting principles.
• Awareness of network redundancy and resilience concepts such as VLANs, subnets and redundancy protocols.

What’s in it for you?

• Competitive salary:
  Up to £64,000 per annum, depending on experience.
• Car Allowance: £4,500.
• Annual Leave: 26 days holiday per year, increasing to 30 with length of service (plus bank holidays).
• Performance‑related pay plan directly linked to company performance measures and targets.
• Generous Pension Scheme through AON.
• Access to a wide range of benefits to support health, wellbeing and finances, including annual health MOTs, physiotherapy and counselling, Cycle to Work schemes, shopping vouchers and life assurance.

Disclaimer:
Due to the high volume of applications we receive, we may close the advert earlier than the advertised date; we encourage you to apply as soon as possible to avoid disappointment.

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