City of London, Greater London, UK Hybrid / WFH Options
Techfellow Limited
networking gear across switches, routers, and wireless systems Manage Palo Alto firewalls, including monitoring, change control, and troubleshooting Assist with SD-WAN deployments and hybrid network integration (Silver Peak, Aruba or equivalent) Participate in DR testing, scheduled maintenance events, and infrastructure lifecycle management Create and maintain accurate documentation of network topologies, procedures, and incident records Coordinate with global infrastructure … network troubleshooting perspective Strong analytical and troubleshooting skills with a detail-oriented mindset Familiarity with AWS or Azure networking principles (Preferred) Exposure to SD-WAN solutions (e.g. Silver Peak, Aruba) (Preferred) Industry certifications such as CCNA, CCNP, or Network+ ... More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Lucronex Ltd
Mist amongst other technologies, working across a blend of interesting projects in both the public and private sectors. Technology Partners Cisco/Meraki VM Ware Palo Alto Fortinet Juniper Aruba/HPE Microsoft AWS Role Snapshot As Senior Network Security Engineer you be an integral member of the delivery and migrations team. The role will entail assisting with migrations More ❯
City of London, London, United Kingdom Hybrid / WFH Options
NineTech
Design, implement, and support robust network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls … accurate documentation. Required Skills & Experience Deep hands-on experience with multicast routing in high-throughput environments. Strong knowledge of BGP , enterprise routing, and switching best practices. Proficiency in managing Aruba and Arista switch infrastructure . Prior experience supporting low-latency trading networks or other performance-sensitive environments. Expertise in configuring and maintaining Palo Alto Networks firewalls and GlobalProtect VPN More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hamilton Barnes 🌳
Engineer Join a global hospitality brand's network transformation initiative, delivering next-generation infrastructure across their European estate. This role offers a project-heavy workload , excellent exposure to modern Aruba and Cisco technologies, and the opportunity to work with a friendly and engaged technical team . You’ll support ongoing site migrations , tackle escalated incidents, participate in CABs, and … site migrations (Tues–Thurs), mostly remotely Working on infrastructure and change projects in the background Handling L3 support escalations , proactive monitoring, and incident response Supporting third parties rolling out Aruba EdgeConnect and Aruba Central Attending CAB calls, planning upgrades, and coordinating SD-WAN changes Troubleshooting ClearPass , switch templates, and Aruba Central deployments Ensuring smooth operational handover from … understanding and real-world usage Experience using a ticketing system (e.g. ServiceNow) Firewall exposure Proactive, organised, able to take initiative and manage tasks independently Desirable Skills SD-WAN experience (Aruba EdgeConnect/SilverPeak) Experience with Aruba ClearPass Cisco Firepower (FMC/FTD) Cisco Nexus switching Aruba Central and AOS-CX Technology Stack Aruba EdgeConnect (SD-WAN More ❯
