Junior Network Security Support Engineer

Kerv
London, United Kingdom
HybridCareer-pivot friendly

Who this role is best for

Strong fit for early-career professionals with foundational networking knowledge who thrive in collaborative, customer-focused environments.

Best fit for

  • Early-career individuals with a basic grasp of routing and firewall technologies
    — “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”
  • Candidates who are proactive and can manage multiple priorities in a team-oriented setting
    — “someone who is customer-focused, professional, proactive, and self-motivated”

Things to consider

  • Hybrid work arrangement requires 2-3 days in the London office weekly
    — “Hybrid Working: (2-3 days in the office)”
  • Occasional travel to Kerv sites may be necessary for this role
    — “occasional travel to Kerv sites may be required”

How to stand out

  • Highlight experience with SD-WAN and firewall technologies in your resume and interview responses
    — “hands-on experience across a range of technologies including Routing, SD-WAN, Firewalls, and Internet connectivity”
  • Demonstrate your ability to write clear and concise technical documentation
    — “Ability to write clear and concise technical documentation”
  • Showcase your communication skills with both customers and technical teams
    — “Communicate professionally with customers and third-party Internet Service Providers”
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • incident resolution
  • accurate documentation
Typical background
networkingsecurity

Skills & requirements

Required

Network SecurityIncident TriageSLA ComplianceTechnical Documentation

Preferred

Vendor Training

Stack & domain

RoutingSwitchingTcp/ipDNSDHCPSd-wanFirewall PoliciesIps/idsWeb FilteringOSPFBGPMPLSLayer 2/3 SwitchingDDI TechnologiesMonitoring ToolsItsm/ticketing PlatformsSNMPAPI IntegrationsVendor TrainingCustomer-focusedProfessionalProactiveSelf-motivatedMethodicalStructuredTroubleshootingWriting Clear And Concise Technical DocumentationExcellent Written And Verbal CommunicationStrong Time ManagementTask PrioritisationPassion For Delivering Excellent Customer ServiceWillingness To Learn And Grow In A Fast-paced Environment

About the role

Original posting from Kerv via Greenhouse

Start: Immediately

Location:  London HQ (Liverpool St.)

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

About Kerv Connected Cloud

You’ll be part of the Network Security/Service Desk Operations team at 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 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.

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

Use of AI in Kerv’s Recruitment Process

We recognise that AI tools can be helpful when preparing applications, improving CV presentation, researching our business, or supporting accessibility needs. However, all information submitted must accurately reflect your own skills, experience, and achievements. During assessments and interviews, unless prompted otherwise candidates must be prepared to discuss their application and demonstrate their knowledge and capabilities without help of AI. The use of AI in a way that misrepresents experience, generates responses presented as your own work, or creates an unfair advantage may result in withdrawal from the recruitment process. For more information please go: https://kerv.com/policies/recruitment-and-selection-policy/

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.

Source: Kerv careers (Greenhouse)

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