OT Field Engineer

Anglian Water Services; Chelmsford; On-site; GBP 46,000; Full time

Job summary

A leading company in the water sector seeks a Telemetry Field Engineer to enhance their Operational Technology capabilities. This full-time role entails maintaining, configuring, and troubleshooting OT systems across various water and recycling sites. The ideal candidate will possess a strong technical background in the field with the necessary qualifications. This position offers a competitive salary and numerous benefits.

Benefits

Bonus scheme

Private health care

Competitive pension scheme

25 days annual leave rising with length of service

Flexible benefits to support well-being

Flexible working

Qualifications

• Good understanding of OT Telemetry Outstations and Automation hardware/software.
• Experience with fault finding on Programmable Logic Controllers would be an advantage.
• Time-served experience in maintenance or field service is preferred.

Responsibilities

• Maintain, repair, configure and commission OT hardware for Water and Water Recycling sites.
• Diagnose and resolve faults on OT field equipment.
• Provide 24x7x365 standby cover in the designated region.

Skills

Technical Knowledge of Operational Technology

Fault Diagnosing

Programming PLCs

Education

HNC/HND or equivalent

City and Guilds / NVQ Level 3 Electrical Qualification

Tools

SCADA Systems

PLC Hardware (Rockwell & Schneider)

Communication Networks (WAN, LAN)

Job description

Location - Field Based covering, Essex and South Suffolk areas; travel required throughout our region, ideally you’ll be based in Southend, Basildon or Chelmsford areas.

Salary - Circa £46,000 salary dependant on skills and experience + Company Vehicle

Permanent - Full time role 37 Hours + 24x7x365 Standby cover

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. The demand for Operational Technology solutions within the Water sector is soaring due to the opportunities associated with IT / OT integration and Industry 4.0 applications. It is recognised that OT is key in enabling us to achieve our performance commitments (including reduction in leakage and pollutions) and providing an excellent service to our customers.

To maintain and enhance our telemetry service, we are looking for a new Telemetry Field Engineer to join the team to be based predominately in the South Essex area.

What will you be doing?

As an OT Field Engineer you will be required to maintain, repair, configure and commission OT hardware, systems/networks needed to monitor and control operational plant/process on Water and Water Recycling sites.

Key responsibilities:

To undertake fault diagnosing, cause and resolution (repair/replacement) of Operational Technology (OT) field equipment, networks and systems on Water and Water Recycling operational sites, to include but not limited to the following;

· Telemetry Outstations, associated input/output components and power supplies

· WAN communication (Radio/ADSL/Mobile/IoT)

· LAN communications (Radio/Mobile/ADSL/Fibre/Ethernet)

· Programmable Logic Control (PLC) Hardware (Rockwell & Schneider)

· Programmable Logic Control (PLC) Software e.g. Ladder Logic, Function-Block and Structured text

· Human Machine Interface (HMI)

· Industrial Control Systems (ICS) and networks

· Field /Control Networks - DeviceNet, Ethernet, Profibus, DH+, DH45, RS232, RS485

· SCADA hardware and software

· Routers, Switches, and modems

· IOT and Edge devices

· Security appliances e.g. Firewalls

Undertake preventive maintenance activities of OT field equipment, networks and systems on Water and Water Recycling operational sites to include but not limited to the following;

• Battery replacement (Outstation & PLC)

• UPS maintenance (OT hardware only)

• UHF scanner calibrations

• PLC software configuration programme backups

• HMI software configuration programme backups

• SCADA software system backups

• Outstation firmware upgrades

• Routers, Switches firmware upgrades

Provide 24x7x365 standby cover within own work region and or cross boundary as required.

Undertake minor modifications and changes to process automation and control systems as required to support regulatory compliance and process continuity.

Provide technical support to other operational teams across water and Water recycling in the diagnosis of instrumentation, and control issues to mitigate non-compliance and process continuity risks.

Perform firmware and software upgrades/patching of OT equipment to maintain security controls and compliance.

Comply with company Health and Safety, electrical safety polices and standards.

What do you need?

The role holder will be expected to have a good technical knowledge and understanding of OT Telemetry Outstations/Automation hardware/software/protocols, SCADA and industrial communication/control networks (IP & legacy) used within the water industry.

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 or formal training in programming and fault finding on Programmable Logic Controller (PLC) or process control equipment would be an advantage.

What benefits do we offer?

Being a successful water company doesn't come easy! Our people are important to us and we want to make sure that we reward and recogniseall ofthe great work that they do. Some of our benefits include:

· Bonus scheme

· Private health care

· Competitive pension scheme

· 25 days annual leave rising with length of service

· Flexible benefits to support your wellbeing

· Flexible working (dependent on your role)

· Pluslots more!

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.

If you are offered a job with us, you’ll be subject to the relevant/standard employment checks, including: your right to work in the UK, reference, driving licence and identity check. Depending on your role, you may also be subject to further pre-employment checks.

Closing date:6th July 2025

Interviews: Week Commencing 14th July 2025

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