Network Security Support Engineer
HybridLondon, England, United Kingdom
Job Summary
Provide advanced support for network and security incidents and service requests, while leading implementation of change requests and project tasks. Troubleshoot complex networking and security issues across customer environments, manage ISP circuits, and liaise with providers. Act as an escalation point for Level-1/2 engineers, offering guidance and mentorship. Maintain high-quality documentation and ensure knowledge sharing within the team. Participate in the out-of-hours on-call rota and flexible shift coverage. Join the Network Support & Engineering team in Kerv Connected Cloud, helping organisations modernise infrastructure with secure, automated environments built to scale.
Required Qualifications
- hybrid working role which will require to attend an office based in Central London twice a week
- at least 4–5 years' experience supporting complex customer environments
- experience with technologies such as SD-WAN, Firewalls, Routing (OSPF/BGP), and ISP management
- advanced triage, incident response, and change implementation
- act as an escalation point for junior engineers
- 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, ServiceNow)
- Technical Skills: VeloCloud, SilverPeak, Fortinet, Zscaler, Infoblox
Desired Qualifications
- 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
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