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.

Were 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 FNZs enterprise network estate supporting the stability performance security and ongoing optimisation of our on-prem hybrid and cloud environments.

What youll be doing

As Senior Network Engineer youll 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 FNZs 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 were looking for

Youll 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 youll 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 youll 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 worlds 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 wealths 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 worlds 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.