Network Security Support Engineer

Please note:
This is a hybrid working role which will require to attend an office based in Northallerton (DL6 postcode) 2-3 times a week.

Kerv Connected Cloud is the networking, security and Azure Cloud practice of the Kerv Group. We support digital transformation initiatives with secure, automated and simple to manage solutions for the data centre, branch office and cloud. We provide our customers with the answers to real-world business challenges through the effective and considered deployment of technology and its supporting processes.

We’re looking for an experienced Network & Security Support Engineer to join our Network Support Team. This role requires at least 4–5 years’ experience supporting complex customer environments with technologies such as SD-WAN, Firewalls, Routing (OSPF/BGP), and ISP management. You’ll be part of a high-performing team, providing advanced triage, incident response, and change implementation, while acting as an escalation point for junior engineers.

The role is hybrid, with time split between home working, our Richmond and occasional presence at our London HQ office.

• Provide advanced support for network and security incidents & service requests
• Lead implementation of change requests and project tasks
• Act as an escalation point for Level-1/2 engineers, providing guidance and mentorship
• Troubleshoot complex networking/security issues across customer environments
• Manage ISP circuits and liaise with providers as needed
• Maintain high-quality documentation and ensure knowledge sharing within the team
• Participate in the out-of-hours on-call rota and flexible shift coverage

• 4–5 years’ experience in a network & security support role
• ITIL Service Principles
• SD-WAN deployment & troubleshooting
• Security technologies (firewall policies, IPS/IDS, web filtering, secure web gateways)
• Advanced routing (OSPF, BGP, MPLS)
• Switching (Layer 2/3)
• ISP circuit management
• DDI (DNS/DHCP/IPAM)
• Monitoring tools (SNMP, API-based platforms)
• ITSM platforms (Autotask, Service Now)
• Technical
  
  Skills:
  
  Velo Cloud, Silver Peak, Fortinet, Zscaler, Infoblox (training provided for gaps)

• Strong technical problem-solving and troubleshooting skills
• Ability to create and maintain high-quality documentation
• Excellent communication and customer service skills
• Time management and task prioritisation in fast-paced environments
• Professional, proactive, and collaborative approach