Network Engineer | Global Financial Platform | London, Hybrid

Network Engineer | Global Financial Platform | London, Hybrid

Be trusted to shape, build, and evolve a global network, not just maintain it.

Our client is a global, modern, tech-focused financial platform with offices across London, the US, and EMEA.

Theyre expanding their infrastructure team and looking for a Network & Voice Engineer who wants to take real ownership; designing, improving, and supporting a fast-moving, hybrid Cisco environment that underpins global operations.

If youve worked in financial, legal or professional services and want a role where your ideas get implemented (not lost in layers of sign-off), this could be your next big step.

The Role

Youll join a collaborative infrastructure team supporting business-critical systems across trading, investment, and corporate environments.

This is a hands-on role where youll work on design, implementation, and optimisation, from on-prem networking to Azure cloud connectivity and global voice systems.

Key Responsibilities:

• Design, configure, and enhance a secure, scalable Cisco-driven network (LAN/WAN/Wi-Fi, VPN, firewalls, routing, switching).
• Support and develop voice and video systems (Cisco, Zoom, Teams) used across global offices.
• Partner with systems and cloud engineers to refine hybrid on-prem + Azure environments .
• Troubleshoot and optimise network performance, driving uptime and stability.
• Contribute to global projects, from new site builds to modernising the firms network backbone.

London Office, Permanent Role, Hybrid working

Competitive salary + benefits

Experience & Skills Required

• Ideally 615 years experience in network engineering within financial, fintech, legal, or professional services firms / SMEs.
• Strong Cisco background; CCNP or equivalent preferred.
• Working toward CCIE? The company will sponsor and support you.
• Practical experience with VPN, SD-WAN, segmentation, and firewalls (Cisco ASA, Palo Alto, or Fortinet).
• Exposure to voice and collaboration platforms (Cisco CUCM, Teams, Zoom).
• Familiarity with Azure networking and virtualisation (VMware or Hyper-V).
• Curious, collaborative, and ready to take initiative in a small, high-impact team.

Why Join

• Autonomy & Impact youll be trusted to make design decisions and drive improvements.
• Global Exposure work closely with US teams on cross-region infrastructure.
• Professional Growth company-funded Cisco certification and advanced training .
• Modern Tech Stack blend of cloud and on-prem with scope to innovate.
• Balanced hybrid work model within a people-first culture.

If you are interested in this Network Engineer role, please respond to this advert directly with your updated CV or email it to chantelle.smith@sourcegroupinternational.com