ICA Technician: SCADA/PLC Maintenance (Oxford)

Thames Water

Oxford

On-site

GBP 49,000 - 59,000

Full time

14 days+
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Benefits offered by this job

Company van
Pension scheme
Annual leave 24–28 days

Job summary

Thames Water is recruiting an Instrumentation, Control & Automation (ICA) Technician for Oxford Wastewater Treatment Works. The role bases in Oxford with cross-site support across the region, requires strong teamwork and a proactive, safety‑driven approach.

You will perform planned ICA maintenance, respond to alarms, and work with SCADA/PLC networks. UK driving licence and HNC/NVQ3 in instrumentation are preferred; Wonderware and ClearSCADA experience advantageous.

Qualifications

  • Qualification to HNC level or NVQ3 in instrumentation, control and automation.
  • 18th Edition (BS7671) qualification and 3‑phase electrical knowledge are desirable.
  • Experience with Wonderware and ClearSCADA is desirable.

Responsibilities

  • Deliver planned and reactive ICA maintenance to ensure asset reliability and compliance.
  • Support site control systems, including SCADA, PLCs, and process control networks.
  • Install, commission, and fault-find on instrumentation and control equipment to industry standards.
  • Investigate plant and equipment failures and complete timely repairs to minimise downtime.
  • Provide ICA technical expertise and maintain current knowledge of best practices.

Skills

Instrumentation & automation
PLC knowledge
Circuit diagrams
Communication

Education

HNC or NVQ3 in instrumentation, control & automation
18th Edition (BS7671) qualification

Tools

Wonderware
ClearSCADA

Job description

Thames Water is recruiting an Instrumentation, Control & Automation (ICA) Technician for Oxford Wastewater Treatment Works. The role bases in Oxford with cross-site support across the region, requires strong teamwork and a proactive, safety‑driven approach.

You will perform planned ICA maintenance, respond to alarms, and work with SCADA/PLC networks. UK driving licence and HNC/NVQ3 in instrumentation are preferred; Wonderware and ClearSCADA experience advantageous.

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