Senior Networking & Infra Architect (Global)

Style Analytics; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Generous Time Off

Global Career Development

Social Events

Referral Bonus

Job summary

Confluence is seeking a Senior IT Infrastructure Administrator – Networking to join our enterprise infrastructure team. Based in London or Dublin, you’ll lead design, deployment and steady‑state operations for complex networking across global sites, with hybrid working options and light travel.

You’ll act as SME, mentor engineers and collaborate with security and IT teams to deliver resilient networks. In this role you’ll own incidents, drive optimization, support cloud migration and SD‑WAN

Qualifications

• Strong hands-on experience with Cisco enterprise networking technologies including Firepower, ISE and SD‑WAN solutions (Viptela/Catalyst).
• Deep understanding of enterprise network infrastructure: routers, switches, firewalls, VPNs and load balancers.
• Minimum of 8 years' experience within enterprise IT infrastructure or networking environments.
• Strong expertise with routing protocols including BGP, OSPF and EIGRP across multi-site environments.
• Proven ability to design, implement and transition infrastructure solutions into production.
• Hands-on experience in incident management, root cause analysis and issue resolution.
• Strong troubleshooting mindset to resolve complex networking issues independently.
• Understanding of how networking impacts wider infrastructure, security, virtualisation and database environments.
• Experience acting as a senior technical escalation point and mentoring other engineers.

Responsibilities

• Delivering and supporting enterprise infrastructure projects from design through implementation and into operational support.
• Acting as a networking SME across troubleshooting, optimisation and knowledge sharing.
• Supporting strategic initiatives including cloud migration and SD‑WAN implementation.
• Serving as a senior technical escalation point for complex networking issues.
• Driving improvements in network performance, resilience and operational efficiency.
• Maintaining infrastructure health through firmware updates, patching and configuration management.
• Supporting knowledge transfer and mentoring less experienced team members.
• Collaborating with infrastructure, security and technology teams to ensure successful project delivery.

Skills

Cisco enterprise networking

Firepower, ISE, SD-WAN

Routing protocols (BGP, OSPF, EIGRP)

Network design and deployment

Incident management

Troubleshooting complex networks

Mentoring engineers

Tools

VMware

NetApp

PowerShell

Python

Terraform

Ansible

Job description

Confluence is seeking a Senior IT Infrastructure Administrator – Networking to join our enterprise infrastructure team. Based in London or Dublin, you’ll lead design, deployment and steady‑state operations for complex networking across global sites, with hybrid working options and light travel.

You’ll act as SME, mentor engineers and collaborate with security and IT teams to deliver resilient networks. In this role you’ll own incidents, drive optimization, support cloud migration and SD‑WAN