Network Security Support Engineer

Location: London

Department: Connected Cloud

Please note: This is a night shift, remote working role (must be UK Based).

About Kerv Connect Cloud

You’ll be part of the Network Support & Engineering team in Kerv Connected Cloud. 
The Connected Cloud team brings together deep expertise in cloud, networking and managed services to help organisations modernise and run their infrastructure with confidence. From data centres to branch networks and cloud platforms, we design secure, automated environments that are built to scale. It’s all about creating resilient foundations that keep businesses connected, supported and ready for what’s next. 

All About You

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 working nights to facilitate the delivery of out of hours planned work and to cover P1 and P2 incidents that occur.

Your part to play

• Provide advanced support for network and security incidents & service requests
• Lead implementation of change requests and project tasks
• The role will include maintenance, software upgrades, hardware replacements. It will also involve resolving emergency P1/P2 incidents that may occur
• 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

Required Expertise

• 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 -
• Technical Skills: VeloCloud, SilverPeak, Fortinet, Zscaler, Infoblox, Cisco, Juniper, Palo Alto, F5 (training will be provide for gaps in knowledge)

What You Bring

• 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
• The ability to work alone delivering technical support with little supervision