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# Junior Network Security Support Engineer

- **Company:** Kerv
- **Location:** London, UK
- **Experience:** Starter
- **Salary:** £40,952
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Computer Networks, Dynamic Host Configuration Protocol, Domain Name System (DNS), Monitoring of Systems, Internet Services, Internetworking, Intrusion Detection Systems, IP Address Management, Multi-protocol Systems, Network Security, Routing, Open Shortest Path First (OSPF), Simple Network Management Protocols, TCP/IP, Wide Area Networks, Firewalls (Computer Science), Juniper, Web Filtering, Fortinet, Firewall Services Module, Api Management, Servicenow
- **Published:** November 4, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5952792980

## About the Role

We're looking for a Level-1 Triage Network & Security Engineer to join our Service Desk Operations Team. This is an excellent opportunity for someone early in their career to gain hands-on experience across a range of technologies including Routing, SD-WAN, Firewalls, and Internet connectivity.

This is a hybrid role with 2 days in our London Office, occasional travel to Kerv sites may be required. We're looking for someone who is customer-focused, professional, proactive, and self-motivated., * Basic understanding of networking concepts (Routing, Switching, TCP/IP, DNS, DHCP)

 * Exposure to SD-WAN technologies

 * Familiarity with Firewall policies, IPS/IDS, Web Filtering

 * Routing protocols such as OSPF, BGP, MPLS

 * Layer 2/3 Switching

 * DDI technologies (DNS/DHCP/IP Address Management)

 * Monitoring tools using SNMP or API integrations

 * ITSM/ticketing platforms (ServiceNow)

 * Basic familiarity with vendors such as:
 * HP Aruba / SilverPeak
 * Arista / VeloCloud
 * Juniper Mist
 * Fortinet
 * Infoblox
 * Cisco Meraki
 * LogicMonitor

Note: Vendor training will be provided to close any gaps.

Skills & Attributes

 * Methodical and structured approach to troubleshooting

 * Ability to write clear and concise technical documentation

 * Excellent written and verbal communication skills

 * Strong time management and task prioritisation

 * Passion for delivering excellent customer service

 * Willingness to learn and grow in a fast-paced environment

## Description

As a Level-1 Engineer, you'll be the first point of contact for incoming support tickets, triaging incidents and escalating to the relevant technical teams. You'll work closely with colleagues, customers, and third-party providers to maintain service excellence.

Your Part to Play

 * Triage incoming service tickets related to network and security infrastructure

 * Provide first-line support for incidents and service requests

 * Escalate issues to the appropriate technical teams according to SLAs

 * Communicate professionally with customers and third-party Internet Service Providers

 * Contribute to implementation plans for change requests

 * Create and maintain accurate and high-quality technical documentation

 * Work flexible shifts as required to meet customer needs