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Kerv

Network Security Support Engineer

Posted 22 Days Ago
Be an Early Applicant
In-Office
London, Greater London, England, GBR
Mid level
In-Office
London, Greater London, England, GBR
Mid level
Provide advanced out-of-hours support for customer network and security environments. Troubleshoot SD-WAN, firewall, routing, switching, ISP, and security incidents; handle P1/P2 emergencies; implement changes and project tasks; perform upgrades and hardware replacements; manage ISP circuits; and maintain technical documentation. The role is remote, UK-based, and requires night-shift work with independent customer support and incident resolution.
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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 - ServiceNow
  • 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

You will live the Kerv values…

  • Think Customer First
  • Team is everything
  • Spread good vibes
  • Build future
  • Do the right thing

At Kerv, we’re building something special and we’re building it to last. We want everybody to feel valued, included and love working together. With an uncompromising pursuit of amazing employee experience, we always strive to do the right thing. We believe and will relentlessly promote and support the power of diversity, equality and belonging, through collaboration and creating exceptional solutions together.

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