Senior Network Engineer

• Senior Network Engineer
• Edinburgh

• 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 Senior Network Engineer to join our Platform Services function. Reporting into the Network Engineering leadership team, this role will provide deep hands-on technical expertise across FNZ’s enterprise network estate, supporting the stability, performance, security, and ongoing optimisation of our on-prem, hybrid, and cloud environments.

What you’ll be doing

As Senior Network Engineer, you’ll be a key technical contributor within the regional Network Engineering team, helping to maintain, improve, and evolve secure, resilient, and high-performing network services across FNZ.

Your responsibilities will include:

Network Operations & Engineering

Supporting the operation, maintenance, and optimisation of FNZ’s enterprise network infrastructure

Acting as a senior escalation point for complex network incidents and service issues

Troubleshooting and resolving network performance, availability, and connectivity issues

Supporting lifecycle management activity including upgrades, patching, configuration improvements, and infrastructure refreshes

Ensuring network services remain highly available, secure, and aligned to business needs

Design, Delivery & Improvement

Contributing to the design and delivery of network solutions for new and existing systems

Working with Network Architecture to implement new tooling, infrastructure, and network capabilities

Evaluating existing technologies and recommending practical improvements

Helping to enhance automation and reduce manual, repeatable network tasks

Supporting continuous improvement of operational procedures, standards, and documentation

Collaboration & Stakeholder Support

Working closely with Platform Services, Infrastructure, Security, Cloud, and business teams to deliver reliable network outcomes

Supporting project delivery alongside BAU operational responsibilities

Providing clear technical updates, recommendations, and analysis to engineering leads and stakeholders

Translating technical issues into clear business impact, risks, and resolution options

What we’re looking for

You’ll be a highly capable hands-on network engineer who thrives in complex, high-availability environments and understands the importance of secure, resilient infrastructure in supporting business-critical platforms.

Essential experience:

Strong experience configuring, maintaining, and troubleshooting enterprise-class network environments

Experience supporting complex network infrastructure across on-premises, hybrid, and public cloud environments

Strong incident response and problem-solving experience in business-critical environments

Strong understanding of network availability, performance, resilience, and security principles

Technical expertise and practical experience in:

Strong experience with Cisco Nexus switching technologies

Advanced Layer 2 and Layer 3 network design and troubleshooting

Proven expertise in OSPF and BGP routing protocols

Overlay and fabric technologies such as VXLAN and NSX-T

Network security principles and secure network design

Traditional ADN platforms, including F5 LTM/GTM

Desirable experience in the below areas would be advantageous:

Checkpoint and Fortigate firewall solutions

F5 Distributed Cloud

Network automation and orchestration, such as Terraform, Ansible, or CI/CD pipelines

Cloud networking across AWS, Azure, or GCP

LogicMonitor or similar enterprise-grade monitoring platforms

What you’ll need to succeed at FNZ

A strong technical mindset with excellent attention to detail

Calm, structured problem-solving skills in complex operational environments

Excellent communication skills across technical and non-technical audiences

A proactive approach to continuous improvement and automation

The ability to balance operational stability with change and innovation

A strong sense of ownership, accountability, and delivery focus

A collaborative style with the ability to work effectively across teams

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 help shape enterprise networks at global scale?

Apply now to join FNZ as a Senior Network Engineer and use cutting-edge technologies to help power the infrastructure behind the world’s leading wealth platforms.

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About FNZ

FNZ is committed to opening up wealth so that everyone, everywhere can invest in their future on their terms. We know the foundation to do that already exists in the wealth management industry, but complexity holds firms back.

We created wealth’s growth platform to help. We provide a global, end-to-end wealth management platform that integrates modern technology with business and investment operations. All in a regulated financial institution.

We partner with the world’s leading financial institutions, with over US$2.5 trillion in assets on platform (AoP).

Together with our clients, we empower nearly 30 million people across all wealth segments to invest in their future.