Network Engineer

In this role, you will maintain and improve our core enterprise network to ensure stability, performance, and security. You’ll work within the Infrastructure team to deliver BAU support and strategic network projects, collaborating with cross-functional colleagues to meet business requirements. You will drive automation, resilience, and service improvements while developing your technical skills. This is a values-led, hybrid role with opportunities to influence design and secure scalable networking for UK financial services.

• 25 days holiday entitlement
• Generous pension
• Private medical insurance
• Gym membership discounts and on-site gym (London)
• Family friendly policies (maternity, carers, dependants leave)
• Cycle to work scheme

• Own specific network systems throughout their lifecycle, ensuring availability, performance, security and supportability
• Ensure steady service operation and adhere to SLAs, with accountable escalation handling and durable resolutions
• Build relationships with technical and non-technical stakeholders to understand requirements and improvements
• Collaborate with project managers and delivery teams to deliver network solutions that meet business needs
• Lead technical delivery activities to implement stable, scalable, and maintainable solutions
• Contribute to network design discussions with architecture team and provide practical implementation input
• Drive continuous improvement to meet standards and enhance performance, resilience, and efficiency
• Identify, assess and remediate security vulnerabilities across the network estate
• Provide technical guidance influencing standards and future directions of services and technologies
• Maintain high-quality design, implementation and operational documentation

• Experienced network engineer with ownership of network systems and delivery across lifecycles
• Experience supporting enterprise-scale networks with both operations and delivery responsibilities
• Proven track record of leading delivery, resolving complex issues and driving live-service improvements
• Broad experience across multiple network technologies and disciplines with ability to manage priorities within service management processes
• Strong stakeholder-facing capabilities and clear communication with technical and non-technical audiences
• Hands-on Cisco networking expertise (routing and switching, Nexus/Catalyst), SD-WAN, wireless, and remote access solutions
• Experience with enterprise cloud networking (Azure IaaS preferred) or comparable cloud provider
• Solid IP routing knowledge (OSPF, MP-BGP) and data centre architectures including VXLAN/EVPN
• Experience with network security tools (firewalls, Cisco ISE) and policy configurations
• Experience managing core services (DNS, NTP, DHCP) and contributing to automation practices (IaC)

• Strong communication and stakeholder engagement
• Proactive learner with curiosity about evolving network technologies
• Collaborative mindset and ability to work in cross-functional teams
• Cisco routing and switching (Nexus, Catalyst)
• SD-WAN
• Wireless and remote access (Cisco Secure Client/AnyConnect, ASAv)