This is a high-impact engineering role within a globally recognised financial services environment, focused on delivering a large-scale Data Centre Transformation programme.
You’ll join a core network team responsible for modernising critical infrastructure following a major separation programme, giving you exposure to end-to-end network ownership across design, build, migration, and production rollout.
The team operates in a hands‑on, engineering‑led environment, where you’ll work across complex enterprise networks, contribute to key transformation initiatives, and play a direct role in shaping the future state of the organisation’s infrastructure.
This is ideal for someone who wants to move beyond BAU and be part of meaningful, business‑critical change, with strong visibility and ownership.
Responsibilities
- Design, build, and implement enterprise network solutions
- Deliver across a major data centre transformation programme
- Support network migrations, optimisation, and traffic engineering
- Decommission legacy infrastructure and consolidate services
- Configure and manage routing, switching, and firewall technologies
- Own network performance, stability, and continuous improvement
- Produce technical documentation including runbooks and handovers
- Collaborate with cross‑functional teams across infrastructure and operations
- Support planned migration activities (including occasional weekend work)
Technical Environment
- Enterprise routing and switching
- Data centre environments and migrations
Skills / Must Have
- Strong experience with Cisco Data Centre technologies
- Solid Routing & Switching expertise (CCNP level or equivalent)
- Proven ability to configure and troubleshoot enterprise‑grade networks
- Hands‑on experience with Fortinet / FortiGate firewalls
- Strong understanding of network security principles
- Ability to operate both independently and within a team
- Experience working in complex, large‑scale environments
Nice to Have
- Experience with Juniper networking technologies
- Exposure to Palo Alto firewalls
- Background in financial services or regulated environments
Working Pattern
- London – Hybrid working
- 3 days onsite (likely reducing to 1–2 days)
- Work on a business‑critical transformation programme
- High ownership within a core engineering team
- Exposure to large‑scale, complex network environments
- Strong visibility across infrastructure and leadership teams
- Up to £70,000 base salary DOE
Employer
A globally recognised financial services technology organisation, delivering critical infrastructure and post‑trade solutions to leading institutions across capital markets, currently undergoing a major network and data centre transformation.
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