This is an advanced technology services provider, delivering professional services and software defined solutions to enterprise clients across the world. Recognised as a leading and multi-award-winning managed service provider, the business specialises in the design, implementation, and support of large scale, complex software defined infrastructures.

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Driven by significant growth, the business is expanding its managed services team and looking for an experienced engineer who can hit the ground running. Training is genuinely embedded in the culture and available across all supported technologies, though this role calls for someone who can work independently from day one.

As Network Support Engineer, you'll act as the on-site technical owner for a key customer account, taking day-to-day responsibility for network performance, incident resolution, and service delivery while representing the business as the primary point of contact on site.

• Act as technical owner for all network issues, supporting and upskilling other team members
• Maximise customer network performance through proactive monitoring and troubleshooting
• Maintain customer network equipment, firewalls, and infrastructure to the latest stable versions
• Secure network and infrastructure components by establishing clear rules, policies, and access controls
• Respond to customer incidents and service requests via telephone, email, or web portal
• Work to agreed SLAs, communicating early and clearly if any are at risk
• Continuously review and improve technical documentation and the knowledge base to support first-touch fixes
• Adhere to change management processes for both the business and the customer
• Keep all documentation up to date as changes are made
• Spend 3 days a week on site with the customer in London, with the remaining 2 days worked remotely

• 3-4+ years' experience in a networking role
• In-depth experience troubleshooting and diagnosing advanced network issues, including configuration, routing, performance, software, and hardware faults
• Experience troubleshooting software defined networking solutions, with knowledge of Cisco SD technologies
• Strong skills in BGP, OSPF, and VXLAN
• Excellent documentation skills and the ability to communicate complex technical concepts to non-technical audiences
• Ability to analyse complex data and develop innovative solutions
• Exposure to non-Cisco infrastructure, such as HP, Juniper, F5, Citrix, CheckPoint, Fortinet, Palo Alto, or VMware NSX
• Product experience across Cisco switching, routing, firewalls, Nexus, ACI, Hyperflex, ISE, DNAC, or SD-WAN, plus VMware and Windows/Linux environments, is expected
• Valid UK driving licence and access to a vehicle
• Desirable: CCNA or CCNP certification, experience within an ISO27001:2022 environment, scripting skills (Python, PowerShell, Bash), and exposure to agentic or generative AI solutions

• Casual dress
• Company events
• Company pension
• Life insurance
• On-site parking
• Private medical insurance
• Wellness programmes
• Work from home