Senior Network Engineer - Technology Vendor

Keen to join a company that champions growth and development? Join a well-established global technology organisation delivering internet content and security platforms to organisations worldwide. The organisation provides secure, reliable networking solutions that support modern digital infrastructure across a global customer base. This opportunity is ideal for a Senior Network Engineer looking to take technical ownership of network design, implementation, support, and mentoring within a small engineering team.

This home-based role includes occasional data centre visits to East London and covers routing and switching, network security, wireless, cloud networking, and Linux technologies. Don’t miss out on this exciting opportunity and apply today! Responsibilities: Design, deliver, and support a hybrid network spanning on-premises, data centre, and cloud environments Act as the senior SME and escalation point, the person who solves what nobody else can Configure and manage routers, switches, firewalls, load balancers, VPN, and QoS across the estate Monitor performance, manage capacity, and proactively identify risks before they become incidents Lead network security, firewall management (Cisco, Palo Alto, Fortinet), IPSec VPN, and security policy compliance Support automation and deployment tooling, Ansible, Python, bash scripting Provide tier 2/3 troubleshooting support and participate in on-call rotation Guide and mentor junior network engineers, design reviews, knowledge sharing, and hands-on support Maintain accurate network documentation, diagrams, and configuration records East London data centre visits as and when required Cisco, Palo Alto, Fortinet BGP / OSPF, IPSec VPN, VLANs / TCP-IP Linux, Kubernetes / Docker Ansible, Python, Bash Grafana, Syslog, OpenTelemetry Azure Cloud, NGINX / MySQL Skills/Must Have: 7+ years of network engineering experience, 5+ years at a senior level Strong Cisco background essential, Palo Alto firewall experience highly valued Solid routing and switching fundamentals: BGP, OSPF, subnetting, TCP/IP, OSI model Hands-on firewall experience, Palo Alto, Fortinet, and/or Linux firewall management Comfortable in Linux server environments, troubleshooting, administration, scripting Experience with Kubernetes, Docker, and containerised network environments Familiarity with automation tooling, Ansible, Python, bash Experience with hybrid cloud networking, Azure preferred Strong communicator who can mentor junior engineers and engage clearly with stakeholders Must reside within 1 hour of East London (DC visits required when the work demands it) Professional certifications preferred (CCNP, CCIE, Palo Alto PCNSE, or equivalent) Benefits: True all-rounder scope covering routing, security, wireless, cloud, and Linux Work from home as the default arrangement, with data centre visits when required Real SME authority as the escalation point rather than a ticket resolver Global platform operating at scale, supporting internet security for organisations worldwide Small team environment with mentorship responsibility and the ability to influence team development Global business with offices across 5 countries Work from home as the primary working arrangement Salary: £65,000 – £72,000 base salary