Network Engineer - Financial Services

Senior Cisco Network Engineer

• Location: City of London

• Company: Large global financial services organisation

• Salary: Up to £70,000 plus bonus and comprehensive benefits

• Working pattern: Hybrid (3 days per week in the London office)

A leading financial services organisation is seeking an experienced Senior Cisco Network Engineer to join its growing technology team. This is a key role with responsibility for the design, delivery, and ongoing support of a global enterprise network, working in a complex, high-availability environment.

You will play a pivotal role in modernising network infrastructure, driving technical improvements, and providing senior-level support across the organisation.

Key Responsibilities

• Design, implement, and support large-scale enterprise networks

• Take ownership of network enhancements and infrastructure modernisation initiatives

• Provide technical leadership and guidance to other team members

• Deliver Level 3 network support and participate in an on-call rota

• Implement and support routing, switching, firewall, and SD-WAN solutions

• Integrate switches, routers, wireless controllers, SDN, load balancers, NAC servers, and cloud platforms

• Ensure network security, resilience, and high availability across global environments

Skills & Experience Required

• Proven experience designing and implementing networks in a large user or enterprise environment

• Strong Cisco background (ideally CCNP or CCIE)

• In-depth knowledge of Layer 2 technologies (VLANs, VTP, STP)

• Experience with high-availability technologies (vPC, SVL, HSRP)

• Strong understanding of routing protocols

• Hands-on experience with SD-WAN technologies

• Experience with Cisco Wireless solutions