Responsibilities
- Ensuring the security, availability and resilience of OT networks, responding to alerts, incidents and security events to keep critical services running
- Troubleshooting complex network issues and providing expert support to incident and problem management
- Maintaining and improving a large OT network estate through proactive monitoring, patching, configuration, asset management and controlled change
- Leading and delivering OT network upgrades, enhancements and new-build projects, working closely with project and infrastructure teams
- Driving continuous improvement across OT network processes, tools and technologies
- Engaging with engineers and OT network users through on-site support, coaching and knowledge-sharing
- Providing technical leadership, including participation in a 24/7 standby rota for critical incidents
- Line managing and developing a team of four network engineers, promoting safety, wellbeing, inclusion and high performance
Requirements
- Experience with maintaining and troubleshooting assets / issues across a complex TCP/IP Network
- Understanding of WAN technologies and routing protocols.
- Experienced at subnetting and IP Address allocation
- Experienced in the prioritisation of faults and changes
- Good understanding of Cyber Security risks
- Experience of telemetry and SCADA systems.
- Proven experience of working within an Operational Technology / CNI environment
- Related network vendor or cyber security professional qualification
- Previous experience of IT Service Management (ITIL)
- Experience of Change and Release Management
- Experience of Customer (Internal & External) Relationship Management
- Experience of working within Cloud Environments, such as Azure or AWS
- Skilled in Infrastructure as Code (e.g. Terraform, ARM, Bicep) - desirable
- Experience with CI/CD tools and pipeline engineering - desirable
- Experience working in Agile or Product-based delivery teams - desirable
- Certifications in Cloud platforms (e.g. Azure) - desirable
Core Competencies
Demonstrates expertise in maintaining and troubleshooting complex TCP/IP networks, with a strong focus on Cyber Security risks and Operational Technology environments. Proven ability to lead teams, manage incidents, and drive continuous improvement in network processes and technologies.