Senior IT Infrastructure Administrator, Networking

Location- UK ( London) Why Confluence? At Confluence, we’ve always been driven by a commitment to innovation, precision, and partnership in the investment data space. Our global footprint now spans multiple countries, giving our employees the opportunity to get exposure to other countries and cultures.

And it stands to reason that none of this would have been possible without the hundreds of hard-working employees who work at Confluence. This is a senior, hands-on networking opportunity where you’ll own enterprise infrastructure end-to-end — from initial design through implementation and into steady-state operations. Working closely with infrastructure and business stakeholders, you’ll deliver complex network solutions while ensuring they are scalable, secure, and fully embedded into ongoing support.

This role exists to strengthen internal expertise and reduce reliance on external vendors, placing you at the center of critical infrastructure transformation initiatives. You’ll operate as a true Subject Matter Expert and technical escalation point, leading troubleshooting, optimizing performance, and driving continuous improvement across the network estate. Beyond delivery, you’ll play a key role in enabling the wider team through knowledge transfer, documentation, and best practices.

This role suits a senior network engineer who enjoys both building and owning solutions, and who thrives in environments where they can influence standards, drive change, and work across large-scale, multi-site infrastructure. Why should you apply? , Toronto, US, or Ireland), this is an attractive opportunity for candidates looking to work on modern Cisco technologies and SD-WAN transformation within an enterprise-scale environment.

Requirements

8+ years’ experience in enterprise IT infrastructure or networking roles Strong hands-on experience with Cisco technologies (Firepower, ISE, SD-WAN – Viptela/Catalyst) Deep knowledge of network infrastructure (routing, switching, firewalls, VPNs, load balancing) Expertise in routing protocols (BGP, OSPF, EIGRP) across multi-site environments Proven experience designing, implementing, and transitioning solutions into production Strong troubleshooting skills, including root cause analysis and incident resolution Experience maintaining infrastructure health (patching, upgrades, configurations) Desirable

, NetApp) Experience with scripting or automation (PowerShell, Python, Terraform, Ansible) Cisco certifications (CCNP or CCIE) Confluence offers generous benefit packages for team members.

Benefits

that matter to them and their families. This includes: 🕚 Generous Time Off packages including additional half days with each public holiday in your location. 🌎 Global Career Development opportunities 🎊 Social Events 💵 Referral Bonus scheme - Upto $3,000 per successful referral 🚀 Plus many more!

More about the Location We offer flexible working options for all employees. #LI-Hybrid Values We look for people who align with our 4 values.