Job Description

Salary - Circa £47,500 salary dependant on skills and experience + Overtime + Standby + Company Vehicle (All PPE, Tools, and fuel card provided)

Location - Field Based covering Colchester/Ipswich/Bury and the surrounding areas

Permanent - Full time role 37 Hours

Operational Technology (OT) refers to the set of digital assets which are at the very heart of Anglian Waters industrial operations. Operational technology systems are deployed throughout our geographical region to enable remote monitoring and control of water collection, treatment and distribution processes.

We invest in our people - as a valued employee, you’ll be entitled to:

• Personal private health care  
• Generous double match pension – contribute 7% and Anglian Water will contribute 14%, giving a total contribution of 21%
• 24-hour Virtual GP service for you and your household 
• 25 days annual leave – rising with length of service and the ability to buy more
• Life assurance (up to 8 x salary)
• Personal accident cover (up to 5 x salary)
• Excellent family friendly policies, such as 26 weeks full pay for maternity / adoption leave, as well as 4 weeks paid paternity / partner leave. Opportunity for shared parental pay
• Bonus scheme  
• Flexible benefits and working culture to support your wellbeing and lifestyle. 

What will you be doing? 

As an OT Field Engineer, your primary focus will be the maintenance, repair, and commissioning of operational technology (OT) hardware, systems, and networks. This critical infrastructure is essential for the real-time monitoring and control of operational plant and processes across our Water and Water Recycling estate.

Key responsibilities: 

• Diagnostics, repair and replacement of OT field hardware to include Telemetry outstations and associated I/O modules, Power supplies, PLCs and HMIs, Industrial Control Systems (ICS), Modems, Routers and Switches.
• Undertake minor modifications to process automation and control systems as required to support regulatory compliance and process continuity.
• Undertake preventive maintenance activities on OT field hardware, systems/networks.
• Perform firmware and software upgrades/patching of OT equipment to maintain security controls and compliance.
• Support Water and Water Recycling operational teams during planned maintenance activities to ensure OT assets are correctly shut down and brough back online to mitigate operational impact.
• Undertake site surveys, installation and commissioning of OT hardware, systems and networks.
• Perform minor PLC modifications and Telemetry IO wiring changes to support the introduction of new instrumentation and plant.
• Provide technical on-site support to OT framework partners for the service integration of new, and or modified OT field hardware, software, systems and networks.
• Undertake post installation quality assurance audits of new, or modified OT installations to ensure they adhere to defined standards.

What do you need? 

Ideally be educated to HNC/HND (or equivalent) level or have time served experience in maintenance, commissioning or field service of electrical, instrumentation or telecommunications systems with a City and Guilds /NVQ level 3 electrical qualification.

Experience of, and or formal training in programming and fault finding of Programmable Logic Controller (PLC) or process control equipment would be an advantage, alongside some of the following;

• Ideally educated to at least ONC/HNC level in Electrical, Electronic, or Control Engineering (or equivalent experience).
• Practical experience with the maintenance and repair of telemetry outstation hardware and software.
• Proven ability to methodically troubleshoot and resolve complex technical problems across integrated hardware and software systems.
• Demonstrated understanding and knowledge of PLC and HMI hardware and software, with specific experience in vendor platforms such as Rockwell and/or Schneider Electric.
• Familiarity with site-level SCADA systems, ideally including Rockwell platforms.
• Understanding and knowledge of industrial control networks and protocols (e.g., Ethernet, Fieldbus, RS232/485).
• Understanding of IP networking principles (Ethernet/LAN/WAN) and IP addressing fundamentals
• Knowledge of communication technologies relevant to dispersed sites (e.g., radio, mobile, ADSL).
• Familiarity with industrial (OT) cybersecurity principles and controls.
• Good working knowledge of DC/AC supplies, Uninterruptible Power Supply (UPS) systems, and Low Voltage (LV) electrical distribution installations.

We are passionate and committed to the learning and development of our people making sure they have the right skills and knowledge to be successful and to help achieve their potential. We also take Health and Safety very seriously in everything that we do through one of our key values “Safer Every Day”

Closing date:  25/11/26

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