OT Network & Security Engineer (SCADA & Critical Infra)

NWG (Northumbrian Water Group); North East; On-site; GBP 55,000 - 75,000; Full time

Job summary

NWG (Northumbrian Water Group) seeks an OT Networks and Security Engineer to support the OT/SCADA network infrastructure and services. You’ll design and implement network solutions, work with cross‑team engineers, and ensure resilient operations across regions.

The role requires hands‑on maintenance, monitoring and fault‑finding of OT networks and security systems, with travel across operating areas. DBS check and drug/alcohol testing are part of pre‑employment and ongoing safety compliance.

Qualifications

• Experience in network and security engineering for OT/critical infrastructure.
• Knowledge of OT protocols (DNP3, Modbus, EtherNet/IP) and security best practices.
• Certifications in networking and cybersecurity are desirable.

Responsibilities

• Design and implement OT network services across platforms and lead their deployment.
• Monitor, maintain and fault‑find OT network and security hardware and software.
• Coordinate security improvements and incident response with technicians and providers.

Skills

OT Networks

Security engineering

Routing protocols

Firewall administration

Wired networks

Wireless networks

LAN/WAN monitoring

Network segmentation

Intrusion detection

OT protocols

DNP3

Modbus

EtherNet/IP

Education

CCNA/CCNP Certification

GICSP

Fortinet NSE / FortiGate

Tools

Cisco devices

Fortinet FortiGate

SCADA networking gear

Job description

NWG (Northumbrian Water Group) seeks an OT Networks and Security Engineer to support the OT/SCADA network infrastructure and services. You’ll design and implement network solutions, work with cross‑team engineers, and ensure resilient operations across regions.

The role requires hands‑on maintenance, monitoring and fault‑finding of OT networks and security systems, with travel across operating areas. DBS check and drug/alcohol testing are part of pre‑employment and ongoing safety compliance.