Kerv Logo

Kerv

Network Security Support Engineer

Posted One Month Ago
Be an Early Applicant
In-Office
London, Greater London, England, GBR
Senior level
In-Office
London, Greater London, England, GBR
Senior level
Provide advanced triage, incident response, and change implementation for complex customer network and security environments. Troubleshoot SD-WAN, routing (OSPF/BGP/MPLS), firewalls, IPS/IDS, switching, DDI and ISP circuits. Act as escalation for junior engineers, maintain documentation, liaise with providers, participate in on-call rota, and lead implementation of change requests and project tasks.
The summary above was generated by AI

Please note: This is a hybrid working role which will require to attend an office based in Central London twice a week. 

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 part of a high-performing team, providing advanced triage, incident response, and change implementation, while acting as an escalation point for junior engineers.

Your part to play

●      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

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 (Autotask, ServiceNow)

●      Technical Skills: VeloCloud, SilverPeak, Fortinet, Zscaler, Infoblox (training provided for gaps)

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

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.

Similar Jobs

14 Days Ago
In-Office
London, Greater London, England, GBR
Junior
Junior
Artificial Intelligence • Cloud • Information Technology • Consulting
Provides Level-1 triage and first-line support for network and security infrastructure. Responsibilities include handling service tickets, troubleshooting incidents, escalating issues according to SLAs, communicating with customers and internet service providers, supporting change requests, documenting technical procedures, and working flexible shifts. The role involves exposure to routing, switching, SD-WAN, firewalls, monitoring, DNS, DHCP, and ITSM platforms.
Top Skills: APIsAristaBgpCisco MerakiDdiDhcpDnsFirewallsFortinetHp ArubaInfobloxIps/IdsJuniper MistLayer 2/3 SwitchingLogicmonitorMplsOspfRoutingSd-WanServicenowSilverpeakSnmpTcp/IpVelocloudWeb Filtering
20 Days Ago
In-Office
London, Greater London, England, GBR
Mid level
Mid level
Artificial Intelligence • Cloud • Information Technology • Consulting
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.
Top Skills: APIsBgpCiscoDhcpDnsF5FirewallsFortinetIdsInfobloxIpamIpsIsp CircuitsItilJuniperLayer 2 SwitchingLayer 3 SwitchingMplsOspfPalo AltoSd-WanSecure Web GatewaysServicenowSilver PeakSnmpVelocloudWeb FilteringZscaler
25 Minutes Ago
Easy Apply
Hybrid
City of London, City and County of the City of London, England, GBR
Easy Apply
Senior level
Senior level
Cloud • Information Technology • Security • Software • Cybersecurity
Oversee end-to-end workplace experience across managed sites, including facilities services, security, janitorial operations, food and beverage programs, parking, amenities, space management, vendors, compliance, budgets, and workplace initiatives. Collaborate with People and other departments on employee engagement and culture-building events while improving operational workflows and service delivery.

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account