london (uxbridge), south east england, United Kingdom
Syntax Consultancy Limited
of Fortinet and Cisco Nexus network solutions. Preparing Low-Level Design (LLD) and Configuration Design Documents for Cisco + Fortinet network equipment. Writing accurate configuration scripts for: Fortinet SD-WAN, Fortinet Firewalls (policies, NAT, VPNs), Cisco Nexus (data centre switching), Cisco WiFi/LAN, and Routing/Switching platforms. Modifying configurations on current infrastructure to align with new designs, standards More ❯
of Fortinet and Cisco Nexus network solutions. Preparing Low-Level Design (LLD) and Configuration Design Documents for Cisco + Fortinet network equipment. Writing accurate configuration scripts for: Fortinet SD-WAN, Fortinet Firewalls (policies, NAT, VPNs), Cisco Nexus (data centre switching), Cisco WiFi/LAN, and Routing/Switching platforms. Modifying configurations on current infrastructure to align with new designs, standards More ❯
Ruckus Cloud, Aruba Mobility Controllers, Aruba Central, and ClearPass. Proficiency in network troubleshooting tools and techniques, including packet analyzers, spectrum analyzers, and wireless survey tools. Knowledge of LAN/WAN technologies, IP routing, switching, and network security. Relevant certifications such as CCNA/CCNP Wireless, CWNA, CWSP, CWNP, Ruckus WISE, Aruba ACMA, ACMP, or equivalent are highly desirable. Excellent problem More ❯
network security principles, including firewalls, IDS/IPS, NAC, VPN, and network segmentation/micro-segmentation Demonstrated experience driving network modernization initiatives, including transitions from legacy infrastructure to SD-WAN, SASE, and cloud-native security models Hands-on experience with endpoint protection and EDR platforms such as CrowdStrike, SentinelOne, Microsoft Defender, or Tanium Familiarity with DNS security tools and strategies More ❯
environment 1+ years experience in a network focused hands-on technical role working with IP routing protocols/technologies and platforms in large scale data center and/or WANnetwork environments. 1+ years experience in Python or other language PREFERRED QUALIFICATIONS - Thorough understanding of TCP/IP networking, IP routing, and core technologies such as IP, TCP, OSPF/ More ❯
security products such as Cisco, Palo Alto, Fortinet, Zscaler, CrowdStrike, CATO and other equivalent vendors/service providers Knowledge of new technologies of Enterprise IT solutions such as SD-WAN, SASE, EDR/MDR and IoT Knowledge of new technologies of Enterprise IT solutions such as SD-WAN, SASE, EDR/MDR and IoT Maintenance and installation experience of networkMore ❯
network security principles, including firewalls, IDS/IPS, NAC, VPN, and network segmentation/micro-segmentation Demonstrated experience driving network modernization initiatives, including transitions from legacy infrastructure to SD-WAN, SASE, and cloud-native security models Hands-on experience with endpoint protection and EDR platforms such as CrowdStrike, SentinelOne, Microsoft Defender, or Tanium Familiarity with DNS security tools and strategies More ❯
security products such as Cisco, Palo Alto, Fortinet, Zscaler, CrowdStrike, CATO and other equivalent vendors/service providers Knowledge of new technologies of Enterprise IT solutions such as SD-WAN, SASE, EDR/MDR and IoT Knowledge of new technologies of Enterprise IT solutions such as SD-WAN, SASE, EDR/MDR and IoT Maintenance and installation experience of networkMore ❯
security products such as Cisco, Palo Alto, Fortinet, Zscaler, CrowdStrike, CATO and other equivalent vendors/service providers. Knowledge of new technologies of Enterprise IT solutions such as SD-WAN, SASE, EDR/MDR and IoT. Maintenance and installation experience of network & server infrastructure. Familiarity with Windows Servers/PCs, VDI, VM and good understanding of IaaS/PaaS/ More ❯
Birmingham, Leeds, Liverpool, London, United Kingdom Hybrid / WFH Options
UK Health Security Agency
s Infrastructure and Networks, Infrastructure services include on-premises hosting (partnering closely with the Digital DevOps division), data centre services, and operating system management. Networking responsibility encompasses LAN, Corporate WAN, Corporate WiFi, and secure access capability. The role is accountable also for IT Service Management, leading the provision of the common 1st line service desk, 2nd line on site support … windows servers operating system lifecycle (Gold image, software packaging, updates and upgrades). Provision and management of identity and access management services (Microsoft Entra). Networking services including LAN, WAN, WiFi and secure access capability. Includes managing connectivity of IoT and laboratory scientific equipment (including IACS) secure connectivity to UKHSA WAN and relevant LANs. IT service management (ITSM), including common More ❯
support documentation Required Skills: Strong knowledge of PC hardware, Windows 10/11, Mac OS, Android Experience with software installs, device refresh, and application support Understanding of LAN/WAN, Wi-Fi, VOIP, printing, and firewall basics Skilled in ITSM tools and SLA-based ticket resolution Excellent communication and documentation skills Desirable Skills: Experience with O365, Active Directory, DNS, and More ❯
good Powershell scripting skills. The role requires awareness of technologies such as Databases, Storage, Voice services including Dealer Board systems and VoIP, network infrastructure including services such as LAN, WAN, routers, switches and firewalls, and Unix/Linux, together with Enterprise Monitoring of all delivered services. Standard delivery includes researching and defining 'Best-of-breed' solutions, patterns, templates and repeatable More ❯
Office 365 o Bloomberg FXT/eikons o Murex Treasury System o SWIFT Alliance Access (SAA) - Networking (IT) o Cisco Switches and Routers o Fortigate Firewalls o LAN/WAN Routing - Hardware o Dell PowerEdge Servers o Dell PowerVault SAN Storage - Data analysis - Basic PC/Laptop support (formatting, imaging, etc) - Experience of writing and updating IT policies, standards, procedures More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hays
prem and cloud environments. You'll work closely with the IT Infrastructure Manager and wider team to ensure performance, security, and resilience across the estate. ?????? ???????????????????????????????? ??????????????: Designing and deploying LAN, WAN, WLAN, and SD-WAN solutions Managing network performance, troubleshooting, and upgrades Implementing zero-trust principles, VPNs, firewalls, and policy-based routing Supporting Azure VNet design and integration Acting as a … technical escalation point for all networking issues ????????????????????????: 3+ years in a network infrastructure role - ???? ???? Strong experience with SD-WAN, VPNs, MPLS, and network security Familiarity with tools such as HPE Aruba, Sophos, Ansible, and Red Hat Linux Comfortable working in a regulated environment with high standards for compliance and documentation Apply and call Lorenz Pasch @ Hays on 07863107173 ASAP if More ❯
the opportunity to work with a friendly and engaged technical team. You'll support ongoing site migrations, tackle escalated incidents, participate in CABs, and support enterprise NAC and SD-WAN technologies from the front line. If you are interested in this opportunity, we encourage you to apply now! Responsibilities: Supporting site migrations (Tues-Thurs), mostly remotely Working on infrastructure and … 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 project to BAU via ticketing systems Must-Have Skills: CCNP-level networking knowledge Strong BGP understanding … Experience using a ticketing system (e.g. ServiceNow) Firewall exposure (Cisco Firepower/FTD/FMC preferred) 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) Aruba AOS More ❯
s global network infrastructure across on-premises, cloud, and hybrid environments. This role ensures end-to-end automation, high availability, security, and scalability of network services while integrating SD-WAN, cloud networking, and AI-driven automation to support global business operations. The leader will oversee next-generation network architecture, operations, and transformation, ensuring a seamless and high-performance connectivity experience. … growth, cloud-first initiatives, and digital transformation. Network Infrastructure & Cloud Networking: Oversee global network architecture, spanning data centers, cloud environments, and enterprise connectivity. Lead network modernization efforts, including SD-WAN, cloud networking, and edge computing. Optimize network traffic, application delivery, and global routing strategies to improve performance. Drive AI-powered network monitoring, automation, and self-healing capabilities. Scale Infrastructure as … network engineering, cloud networking, or IT infrastructure. 5+ years in a senior leadership role, managing large-scale global network environments. Deep expertise in cloud networking (AWS, Azure, GCP), SD-WAN, and network automation. Proven track record in end-to-end network automation, observability, and self-healing networks. Experience in AI-driven networking, predictive analytics, and network telemetry. Strong understanding of More ❯
hands-on environment and want to work with cutting-edge tech, this contract is built for you. Senior Network Security Engineer The Tech Stack You’ll Own: Fortinet SD-WAN – Core to the network transformation Fortinet Firewalls – Design and deployment Cisco Nexus – High-performance switching environments Cisco Wi-Fi/LAN Routing & Switching – Solid fundamentals essential Firewall & Security Architecture – Design More ❯
networking ensuring the infrastructure runs smoothly, securely and efficiently to support the organisations goals and objectives. Responsibilities include Design and deploy network solutions including LANs, WANs, WLAN and SD-WAN Solutions both on premise and within cloud infrastructure. Troubleshooting network issues and performing regular maintenance and upgrades. Configure network security measures, including setting up firewalls, VPNs, policy-based routing and … It is necessary in this role to have advanced knowledge of network configuration and protocols alongside strong experience designing and managing branch office connectivity using VPNs, MPLs pr SD-WAN solutions. This would involve a minimum of 3 years in a network infrastructure role, ideally within Financial Services. Knowledge of Azure Virtual Network (VNet) design is required as well as More ❯
XE and IOS-XR devices, FTD firewalls, and WLCs. Have worked in OT/Production environments, including designing, implementing, and maintaining communication networks and structured cabling standards (LAN/WAN) in real-time or factory environments. Are a self-starter with a proactive, "Can do" attitude. Possess excellent interpersonal skills and can work effectively with remote colleagues and peers. If More ❯
XR devices, FTD firewalls, WLC have experience from working in OT/Production environment, including the design, implementation, and maintenance of communication networks, structure cabling standards (e.g., LAN and WAN) in factories or other real-time environments are a self-starter with a "Can do" approach have great interpersonal skills and the ability to work effectively with remote colleagues & peers. More ❯
Central London About the client Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi-Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for businesses and wholesale/carrier/channel organisations across London. What you will do: We are looking for a Senior Full Stack Engineer to More ❯
Central London About the client Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi-Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for businesses and wholesale/carrier/channel organisations across London. What you will do: We are looking for a Senior Full Stack Engineer to More ❯
Employment Type: Permanent
Salary: £80000 - £85000/annum Plus Bonus and Benefits
security products such as Cisco, Palo Alto, Fortinet, Zscaler, CrowdStrike, CATO and other equivalent vendors/service providers.- Knowledge of new technologies of Enterprise IT solutions such as SD-WAN, SASE, EDR/MDR and IoT.- Maintenance and installation experience of network & server infrastructure.- Familiarity with Windows Servers/PCs, VDI, VM and good understanding of IaaS/PaaS/ More ❯
and above Veeam Backup and Replication Symantec Endpoint Protection Symantec Endpoint Encryption ManageEngine Patch Manager Plus Microsoft Office 365 Networking (IT) Cisco Switches and Routers Fortigate Firewalls LAN/WAN Routing Hardware Dell PowerEdge Servers Dell PowerVault SAN Storage Project management Data analysis Bachelor or Master’s degree or professional qualification in relevant discipline (IT/Information Systems/Computer More ❯