# Office Relocation Network Engineer at System Recruitment…

> Source: https://confidential.careers/job-detail/office-relocation-network-engineer-system-recruitment-specialists-london

# Office Relocation Network Engineer

System Recruitment Specialists 

** London, United Kingdom ** Full Time ** Engineering Jobs ** United Kingdom ** New

[Apply Now](https://confidential.careers/go/14492280) ** Save 

## Job Description

**Network Engineer**

**London | Contract (Inside IR35)**

We are seeking an experienced**Network Enginee**r to support a major office relocation, data centre migration, and network transformation programme. This includes the deployment of a new FX trading platform, migration of critical network infrastructure, and the relocation of services across multiple sites and data centres.

The successful candidate will play a key role in the migration and implementation o**f Arista, Aruba, and Cis**co networking technologies, alongside Layer 2 and Layer 3 telecoms migrations. You will work closely with third-party telecom providers to migrate existing circuits and services while ensuring minimal disruption to business-critical operations.

This is a hands-on engineering role requiring strong technical expertise across both physical infrastructure and logical network migrations. The position will involve working within fast-paced, highly available environments and will require occasional out-of-hours support for cutovers, implementation windows, and post-migration validati**on.**

**Key Responsibilities**

- Support the planning, implementation, and execution of office relocation and data centre migration activities.
- Deploy and migrate network infrastructure using Arista, Aruba, and Cisco technologies.
- Perform Layer 2 and Layer 3 network migrations, ensuring service continuity and network stability.
- Coordinate with telecom providers to migrate WAN circuits, carrier services, and existing connectivity.
- Execute network cutovers, testing, validation, and troubleshooting activities.
- Install, patch, and manage physical network infrastructure, including copper and fibre cabling.
- Produce and maintain technical documentation, migration runbooks, and implementation plans.
- Work closely with infrastructure, telecoms, and business stakeholders across multiple locations.
- Provide out-of-hours support during critical migration and implementation phases.

**Required Experience**

- Proven track record delivering:
- Office relocation projects
- Data centre migration programmes
- Network implementations supporting trading platforms or other business-critical systems

**Strong hands-on experience with:**

- Arista networking technologies
- Aruba networking technologies
- Cisco networking technologies

**Excellent understanding of Layer 2 and Layer 3 networking, including:**

- Switching
- Routing
- VLANs
- Trunking
- Spanning Tree Protocol (STP)
- Link Aggregation Control Protocol(LACP)
- IP addressing
- Interface configuration
- Connectivity testing and troubleshooting
- Multicast networking
- Experience delivering telecom and WAN migrations, including carrier transitions and service handovers.
- Experience working directly with telecom providers and network carriers to migrate and validate services.

**Strong practical cabling experience, including:**

- Copper and fibre patching
- Rack installations
- Cable routing and management
- Labelling standards
- Physical infrastructure best practice

**Preferred Experience**

- Financial services, capital markets, or trading environment experience.
- Experience supporting low-latency or business-critical platforms.
- Knowledge of multicast networking within trading environments.
- Experience with Infinera or optical transport platforms.

**Familiarity with:**

- Out-of-band management solutions
- Console access technologies
- Structured migration methodologies
- Detailed migration runbooks and change procedures
- Relevant certifications such as
- CCNA
- CCNP
- Arista ACE
- Equivalent industry certifications

Posted August 18, 2026