Senior Network & Infrastructure Engineer (SD-WAN/Cisco)

Confluence Technologies, Inc.; Greater London; Hybrid; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Generous Time Off

Global Career Development

Social Events

Referral Bonus scheme – Up to $3,000

Flexible working options

Job summary

Confluence Technologies, Inc. is seeking a Senior IT Infrastructure Administrator, Networking in London to own enterprise networking end-to-end.

You will design, implement and operate complex solutions, collaborating with stakeholders to deliver scalable, secure infrastructure and continuous improvement across the network estate. The role requires senior expertise with Cisco technologies, SD-WAN, routing protocols, and scripting, offering exposure to multi-site environments and global projects

Qualifications

• 8+ years in enterprise IT infrastructure or networking roles.
• Hands-on Cisco technologies: Firepower, ISE, SD-WAN (Viptela/Catalyst).
• Deep knowledge of routing and switching, VPNs and load balancing.
• Routing protocols across multi-site environments: BGP/OSPF/EIGRP.
• Experience designing, implementing, and transitioning to production.

Responsibilities

• Own the full network lifecycle from design through to operations.
• Serve as SME with visibility and influence on infrastructure decisions.
• Hands-on work with Cisco tech and SD-WAN transformation.
• Drive internal capability and reduce vendor reliance.
• Collaborate on cross-functional initiatives across multi-site infra.

Skills

8+ years networking

Cisco Firepower

Cisco ISE

SD-WAN (Viptela)

Routing protocols (BGP/OSPF/EIGRP)

Deployment & production transition

Troubleshooting & RCA

VMware

NetApp storage

Scripting (PowerShell/Python)

Cisco certifications (CCNP/CCIE)

Job description

Confluence Technologies, Inc. is seeking a Senior IT Infrastructure Administrator, Networking in London to own enterprise networking end-to-end.

You will design, implement and operate complex solutions, collaborating with stakeholders to deliver scalable, secure infrastructure and continuous improvement across the network estate. The role requires senior expertise with Cisco technologies, SD-WAN, routing protocols, and scripting, offering exposure to multi-site environments and global projects