Junior Network Security Support Engineer

KERV Interactive; Greater London; Hybrid; GBP 30,000 - 42,000; Full time

Benefits offered by this job

Private medical insurance

Pension scheme

25 days annual leave

Training and development

Job summary

Kerv Connected Cloud, London, seeks a Level-1 Triage Network & Security Engineer for its Service Desk Operations. Hybrid role with 2 days in the London office, opportunities to work across SD-WAN, routing, and security infra. You’ll triage tickets, assist with incidents, and escalate where needed to ensure service excellence.

Vendor training is provided. The role emphasizes clear documentation, strong customer communication, and a pathway to grow within a fast-paced security and cloud services

Qualifications

• Basic understanding of networking concepts required.
• Exposure to SD-WAN technologies preferred.
• Familiarity with firewall policies, IPS/IDS and web filtering desired.

Responsibilities

• Triage incoming service tickets related to network and security infrastructure.
• Provide first-line support for incidents and service requests.
• Escalate issues to appropriate technical teams according to SLAs.
• Communicate professionally with customers and third-party providers.
• Contribute to implementation plans for change requests.
• Create and maintain accurate and high-quality technical documentation.

Skills

Routing basics

SD-WAN

Firewall policies

OSPF/BGP

Layer 2/3 Switching

DNS/DHCP/IPAM

SNMP/API monitoring

ITSM/ServiceNow

Vendor equipment familiarity

Cisco Meraki

Tools

ServiceNow

SNMP

APIs

Job description

Start: Immediately

Location: London HQ (Liverpool St.)

Hybrid Working: (2-3 days in the office)

Salary: Competitive + Overtime & Benefits

About Kerv Connected Cloud

You'll be part of the Network Security/Service Desk Operations team at KervConnected 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. Its all about creating resilient foundations that keep businesses connected, supported and ready for whats next.

All About You

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.

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

Desired Technical Knowledge

• 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

What We Offer

• Private medical insurance


• Pension scheme


• 25 days annual leave


• Training and development opportunities


• Employee Assistance Programme


• Sick Pay and life assurance


• Supportive team culture focused on innovation and career growth

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.