NWG (Northumbrian Water Group)
OT Network & Security Engineer
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Job Description
About the Role
We have an exciting opportunity to join our Information Services Operational Technology team as an OT Networks and Security Engineer. Working as part of the OT and SCADA team, you’ll help ensure the effective day-to-day operation of NWG’s OT network infrastructure and services.
- You’ll work closely with the OT Technical Consultant to design network services across our OT platforms and lead their implementation, collaborating with SCADA, OT and Network Engineers, Maintenance Technicians, and external service providers.
- You’ll provide specialist expertise in network systems and technology, while working with engineers and team leaders across Information Services to promote consistent approaches to strategy, technology, processes, and service delivery.
- As part of this hands-on role, you’ll monitor, maintain, configure, and fault-find OT network and security equipment, helping to deliver a resilient, highly available, and secure service.
- You’ll respond to infrastructure incidents and faults, coordinate remedial action for security vulnerabilities, report critical issues, and manage incidents through to resolution.
- You’ll also help assess and document the OT estate, develop network and security solutions for OT programmes of work, prioritize new requirements, and proactively recommend improvements.
- Throughout the role, you’ll demonstrate a strong customer focus and communicate effectively with technical teams, stakeholders, and service providers.
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The role involves installing, maintaining, and troubleshooting equipment across our operating regions, so regular travel is essential. You’ll also need to work flexibly when planned activities or operational incidents require support outside normal working hours.
About You
We’re looking for someone with proven experience in network and security engineering, ideally within an Operational Technology environment or supporting other critical network infrastructure. Experience within critical national infrastructure, particularly the water industry, would be an advantage.
- You’ll bring strong practical knowledge of routing protocols, firewall administration, wired and wireless networks, LAN/WAN monitoring, network segmentation, intrusion or anomaly detection, and backup and restore methods.
- You should also be confident maintaining, configuring, and fault-finding network and security hardware and software.
- A good understanding of industrial networking and common OT protocols, such as DNP3 or WITS, Modbus, and EtherNet/IP, would be highly advantageous.
- You’ll understand the principles of securing OT and SCADA environments and be able to recommend improvements that balance security, resilience, and operational availability.
Professional network or security certifications such as Cisco CCNA or CCNP, Fortinet NSE or FortiGate Administrator credentials, GICSP, or other comparable vendor and industry qualifications would be desirable. We also welcome applications from candidates who can demonstrate equivalent practical experience administering enterprise routing, switching, and firewall technologies.
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- You’ll be collaborative, customer-focused, and able to communicate and negotiate effectively with technical teams, service providers, and stakeholders.
- You’ll be comfortable managing competing priorities, working independently and as part of a cross-skilled team, and taking responsibility for technical and service decisions.
Please note this role will require a DBS to be completed prior to employment.
This role has also been defined as a safety or security critical role and as a condition of a formal offer of employment you’ll be required to undergo a drug and alcohol test.
Prospective employees and agency workers in defined safety and security critical roles will be required to undertake a drug and alcohol test after the job offer has been made. This will be prior to or within four weeks of their start date.
Prospective employees and agency workers who fail a pre-employment urine drug screen will have their sample analyzed by the Company appointed laboratory as a matter of course. Failing a pre-employment drugs or alcohol test may lead to the job offer being revoked.
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