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Network Specialist - Core

London💼 Full-time💰 $120,000–$120,000🗓 2026-08-06 → 2026-09-26

Core

Architect, develop, optimize, and secure scalable networks for Datacenter, Campus, and Cloud infrastructures, ensuring high availability and performance.

Role type

Senior Network Core Specialist (Infrastructure)

Builds

Multi-vendor enterprise network solutions (LAN, WAN, DC, Campus, Cloud)

Domain

Enterprise Networking, Datacenter, Cloud Infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Routing protocols (OSPF, BGP, EVPN), Switching protocols (STP, vPC, MLAG, VxLAN), Multicast (PIM, MSDP, IGMP), Network security (AAA, device hardening), Cloud platforms (AWS, GCP, Azure), Automation scripting (Python, Ansible), Network diagnostics (Wireshark, tcptrace), Voice technologies (Cisco Unified Communications)

Preferred skills

CCIE certification, Palo Alto/Fortinet cybersecurity solutions, Prometheus/Grafana/Elastic monitoring, Git version control

Technologies

Arista, Cisco, LANZ, Kibana, Prometheus, Ansible, Wireshark, Palo Alto, Fortinet, AWS, GCP, Azure

Responsibilities

Design and implement scalable, highly available network solutions; Translate business requirements into technical network architectures; Provide professional documentation and diagrams; Select software and hardware components; Evaluate and recommend new technologies for performance and cost efficiency; Provide L3 escalation support for performance and availability issues; Identify areas for improvement using automation and innovative solutions.

Seniority

Senior, hands-on IC

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