Lead Network Engineer in London

Lead Network Engineer

Edinburgh or London (Flexible / Hybrid)

Permanent
£Competitive + benefits + flexible working

FNZ is on a mission to make wealth management more accessible, inclusive, and scalable worldwide. Supporting investment platforms used by over 20 million people , our EU/UK Network Engineering team underpins the critical infrastructure that powers global wealth technology.

We\’re looking for an experienced Lead Network Engineer to join our Platform Services function. Reporting to the Head of Platform Services , this role combines deep technical expertise with hands‐on leadership — owning the stability, evolution, and optimisation of FNZ\’s enterprise network estate across on‐prem, hybrid, and cloud environments.

What you\’ll be doing
As Lead Network Engineer, you\’ll act as the senior technical authority for networking across the region, while also leading and developing a team of engineers. You\’ll be a trusted advisor to senior stakeholders, driving resilient, secure, and future‐ready network solutions.

Technical Leadership & Operations

Leading a team of Network Engineers, managing BAU and project workloads

Acting as the highest level escalation point for EU/UK network incidents

Owning lifecycle management of network infrastructure, including upgrades, optimisation, and consolidation

Ensuring high availability, performance, and security across complex enterprise networks

Design, Strategy & Improvement

Defining and evolving network operational procedures and standards

Partnering with Network Architecture to trial and deploy new tooling and infrastructure

Evaluating existing technologies and recommending improvements and optimisations

Enhancing and expanding automation to reduce manual effort and improve efficiency

Collaboration & Reporting

Working closely with business units to deliver network solutions for new and existing systems

Providing clear reporting, insights, and recommendations to the Head of Platform Services

Translating complex technical concepts into meaningful business outcomes

What we\’re looking for
You\’ll be a technically exceptional leader who thrives in complex, high-availability environments and understands the real-world business impact of network decisions.

Essential experience

Extensive knowledge and experience configuring and maintaining enterprise‐class, highly complex networks.

Extensive experience in managing teams of engineers and empowering people to deliver efficient and meaningful outcomes.

Extensive experience managing and deploying network infrastructure across on‐premises, hybrid, and public cloud environments.

Extensive experience troubleshooting network issues and managing incident response.

Deep technical expertise and experience in:Overlay and Fabric technologies (VXLAN, Megaport, Equinix Fabric)Network segmentation and VRF designNetwork security design and zero‐trust principlesTraditional ADC Platforms (F5 LTM/GTM)

Desirable experience in the below areas would be advantageous

F5 Distributed Cloud

Network automation and orchestration (e.g: Terraform, Ansible, CI/CD pipelines)

Cloud networking (AWS, Azure, GCP)

LogicMonitor or similar enterprise grade monitoring platforms

What you\’ll need to succeed at FNZ

A calm, decisive leadership style with strong problem‐solving ability

Excellent communication skills across technical and non‐technical audiences

A proactive mindset with a passion for continuous improvement

The ability to balance operational stability with innovation and change

A strong sense of ownership and accountability

Why join FNZ?
At FNZ, you\’ll work at the intersection of finance, technology, and global scale , alongside highly skilled teams who are shaping the future of wealth management.

We offer:

Competitive salary and benefits

Flexible and hybrid working options

Global career opportunities across UK, EU, US, Canada, South Africa and APAC

Private health and life insurance

Fully funded training and development

Paid parental and volunteer leave

A collaborative, inclusive, and high-performance culture

Ready to lead and shape enterprise networks at global scale?
Apply now to join FNZ as a Lead Network Engineer and use cutting edge technologies to help power the infrastructure behind the world\’s leading wealth platforms.

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