City of London, London, United Kingdom 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 ❯
. Significant knowledge of monitoring systems Substantial experience of network and data security processes. Material experience of supervising a team of highly skilled technical support engineers. Experience of HPE Aruba a definite advantage. Substantial experience of managing a busy helpdesk ticketing system, data analytics from the ticketing system for upward reporting and managing a team of Technical Support Engineers. 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 ❯
candidate will be responsible for the day-to-day support and operational management of a diverse enterprise network infrastructure, which includes Fortinet SD-WAN and FortiSASE technologies, Cisco and Aruba switches, and Meraki wireless deployments. This is not a project-based deployment role, but one that centres around troubleshooting, maintaining and enhancing a large, established network that is critical … significant hands-on experience with Fortinet s SD-WAN technology and associated platforms such as FortiManager, FortiAnalyzer and FortiAuthenticator. You should also have in-depth knowledge of Cisco and Aruba network switches and Meraki Wi-Fi infrastructure, combined with a practical understanding of routing protocols including BGP and OSPF. Familiarity with Zscaler cloud-based security services and previous exposure More ❯
familiarity with RMM tools like Datto allows you to proactively manage client infrastructure. Networking? You’re fluent in switches, VLANs, DNS, firewalls, and more — whether it’s Cisco, HP, Aruba, or Unifi, you’ve likely configured it before. You communicate clearly — whether you’re speaking to clients, writing documentation, or advising peers. You take pride in your work, stay 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 ❯
advantageous: Windows Active Directory (On-Premises, Hybrid, Azure and cloud), print servers – ideally at least 2 years’ experience in a business environment IP Networking, VPN & firewalls with Cisco, HP-Aruba and Watchguard SAP B1 experience, systems side CRM experience, systems side IP (VoIP/SIP) telephony services Server hardware, PC, Laptop and Mac exposure Webservers on Linux and Windows More ❯
desktop, application, and network support, including installation of networking equipment like switches, routers, and firewalls. * Networking Expertise: Work with TCP/IP, VLANs, and various networking hardware-ideally UniFi, Aruba, and Cisco. * Collaborative Troubleshooting: Work alongside third-party technical teams to support PDQs and ePOS systems, with ample training provided. Candidate Requirements Essential Skills and personal qualities * Communication Pro More ❯