1 to 25 of 405 Permanent Firewall Jobs in London

controls, and enhance enterprise security posture. Performance, Reliability & Automation Monitor, troubleshoot, and optimize enterprise, cloud, and security infrastructure. Resolve complex LAN, WAN, cloud, and firewall issues to maintain business continuity. Drive automation and operational efficiency using tools such as Python, Ansible, Terraform, and PowerShell. Create and maintain technical documentation, network ...

adapt to an extremely dynamic environment comprising of high degree of complexities and priorities.desirable Skills:Knowledge and experience of LAN/WAN/Firewall/VPN network technologies.Knowledge and experience of Citrix Virtual Apps and Desktop configuration and support in production environments.Knowledge and experience of LinuxKnowledge and experience of Load ...

adapt to an extremely dynamic environment comprising of high degree of complexities and priorities.desirable Skills: Knowledge and experience of LAN/WAN/Firewall/VPN network technologies. Knowledge and experience of Citrix Virtual Apps and Desktop configuration and support in production environments. Knowledge and experience of LinuxKnowledge and experience ...

role:Hands-on experience designing and delivering enterprise-scale hybrid cloud networking solutions and architectures.Strong understanding of network operations, including network segmentation, routing protocols, firewall policies, SASE, Zero Trust, network monitoring, performance optimisation, and security best practices.Experience translating business requirements into scalable, secure, and resilient network architectures.Proven ability to lead ...

/TLS), WAF/DDoS, email securityAzure engineering background:Governance, networking, identity and security configurationOwnership mindset and strong troubleshooting abilityNice to HaveFortinet or Cisco firewall experienceAutomation (PowerShell)Exposure to data centre deploymentsStrong documentation and communication habits ...

particular focus on Fortinet technologies.Key responsibilities of this Network Engineer role will include:Configure, manage and troubleshoot FortiGate firewalls and Fortinet security solutions.Manage firewall policies, NAT, VPNs, routing and security rules.Support LAN/WAN, switching, routing and network security infrastructure.Monitor network performance, availability and security.Investigate and resolve complex network incidents ...

focus on Fortinet technologies. Key responsibilities of this Network Engineer role will include: Configure, manage and troubleshoot FortiGate firewalls and Fortinet security solutions. Manage firewall policies, NAT, VPNs, routing and security rules. Support LAN/WAN, switching, routing and network security infrastructure. Monitor network performance, availability and security. Investigate ...

data classification and DLP strategies using Microsoft Purview.Cloud Security Posture: Manage Azure Landing Zone security and connectivity, collaborating with Network Engineering to validate secure firewall and VPN configurations.Compliance & Risk: Support audit readiness for ISO 27001, PCI DSS, and Cyber Essentials Plus, ensuring all remediation progress is tracked and documented.Essential Skills ...

classification and DLP strategies using Microsoft Purview. Cloud Security Posture: Manage Azure Landing Zone security and connectivity, collaborating with Network Engineering to validate secure firewall and VPN configurations. Compliance & Risk: Support audit readiness for ISO 27001, PCI DSS, and Cyber Essentials Plus, ensuring all remediation progress is tracked and documented. ...

experience • Microsoft (MS) Active Directory & MS services and Exchange (Essential) • Experience of supporting a multi-server network environment • Networking, including DHCP, DNS, routing, VLAN, firewall, and VPN technologies • The successful candidate will be educated to degree or equivalent level, possess relevant qualifications, e.g. Cisco, CCNA or CCNP certification, have experience ...

working knowledge of Microsoft Azure , particularly IaaS, networking, storage and platform services. Experience with services such as Azure VMs, Entra ID, Conditional Access, Azure Firewall, Application Gateway/WAF, Azure Monitor and Defender for Cloud . Experience supporting Microsoft 365 tenant administration and service integration. Good knowledge of Windows Server ...

/TLS certificates on web servers,network devices etc. Domain management – both internal and external Cloud WAF, DDoS Protection, CSP management • Human Firewall – Have oversight on tools such as Knowbe4 for Staff Training and securityawareness. Work with the Training team to roll out new procedures and materialy • Ideally some understanding ...

maintaining SSO, MFA and Conditional Access policies Supporting Microsoft 365 security, compliance and governance initiatives Managing hybrid connectivity including VPNs, DNS, routing and Firewall integrations Automating operational processes through PowerShell, Terraform and Infrastructure-as-Code practices Supporting platform monitoring, patching, resilience and disaster recovery Delivering cloud migration, transformation and optimisation ...

upgrade of network and security platformsInfrastructure Engineers MUST have:Cisco CCIE (Collaboration).A strong understanding of LAN, WAN technologies, including QoS, DNS, DHCP, and firewall fundamentals, is required. Operational and troubleshooting experience with Cisco UCM, UCCx, and Expressway, including WebEx supportRelevant technical certifications such as CompTIA A+, Network+, Security+, Microsoft ...

network and security platformsInfrastructure Engineers MUST have: • Cisco CCIE (Collaboration). • A strong understanding of LAN, WAN technologies, including QoS, DNS, DHCP, and firewall fundamentals, is required. Operational and troubleshooting experience with Cisco UCM, UCCx, and Expressway, including WebEx support • Relevant technical certifications such as CompTIA A+, Network+, Security+, Microsoft ...

Directory, Exchange Server, VMware software, File Server;Good knowledge on TCP/IP and networking management, and the ability to configure Cisco Switch, Router, Firewall, wireless device;Excellent verbal and written communication skills in Mandarin and English essential;Experience in problem solving and troubleshooting;Proven ability to collaborate effectively with ...

Networking CCNP level or higher TCP/IP stack and OSI model BGP/OSPF DNS/DHCP VLANs and spanning tree Multicast routing Firewall segmentation, deep packet inspection and stateful inspection Wireless concepts such as RF, bands and channels Linux and Windows Ansible Storage Backup and DR AWS Microsoft ...

including PIM/Conditional Access), Azure Key Vault, Azure Policy. o Security Operations: Microsoft Sentinel, Defender for Cloud. o Networking: Azure vNets, Peering, Azure Firewall, WAF, Private Link, ExpressRoute. o Compute & Storage: Virtual Machines, App Services, Storage Accounts. Infrastructure as Code (IaC): Deep, hands-on expertise with Terraform is essential. ...

Experienced in large-scale data centre migrations, infrastructure refreshes, workload consolidation, and cross-platform integration (Linux, Windows).Network Architecture & Security – Skilled in network design, firewall rule flow, VLANs, VPNs, Cisco infrastructure, and secure access architecture.Identity & Access Management – Knowledgeable in Active Directory, Okta, Microsoft PKI, and certificate lifecycle management.Technical Leadership – Proven ...

large-scale data centre migrations, infrastructure refreshes, workload consolidation, and cross-platform integration (Linux, Windows). Network Architecture & Security - Skilled in network design, firewall rule flow, VLANs, VPNs, Cisco infrastructure, and secure access architecture. Identity & Access Management - Knowledgeable in Active Directory, Okta, Microsoft PKI, and certificate lifecycle management. Technical Leadership ...

implement, and manage complex network infrastructure using Cisco Campus Networking 9300 series and Cisco Nexus switches.•Configure, deploy, and maintain Palo Alto Prisma Access firewall policies to ensure secure access to critical applications and data.•Administer and configure FortiGate Firewalls for advanced security measures and threat management.•Monitor network performance ...

NAPALM, Python (Paramiko). • Vendor firmware lifecycle knowledge including feature releases, maintenance releases, and ED/MD trains (Cisco SMU, Juniper package management). • Firewall firmware management: Palo Alto, Fortinet FortiOS, Cisco ASA/FTD upgrade procedures. • Load balancer firmware: F5 BIG-IP or Citrix ADC upgrade methodology. • Network management ...

network segmentation and micro‐segmentation strategies.* Strong understanding of Zero Trust networking principles and identity‐aware access controls.* Strong experience designing, implementing and optimising firewall and proxy security policies.* Deep hands-on experience with: + Palo Alto Networks (PAN‐OS, Panorama, policy design) + Fortinet (FortiGate, FortiManager, FortiAnalyzer) + Zscaler ...

/SSM, IGMP/MLD, rendezvous point design.QoS architecture across converged voice, video, and data environments.Security IntegrationExperience integrating network segmentation and micro-segmentation with firewall and zero trust network architectures.Working knowledge of network access control (802.1X, TrustSec, or equivalent).Automation & ProgrammabilityWorking proficiency in Python and Ansible for network automation ...

administration, server OS configuration, TCP/IP networking hardware, protocols, LAN and WAN technologies & configurations, and network design) and/or IS (ideally PKI, firewall management, IDS & IPS, vulnerability management, and network scanners), in engineering, administration or support roles Familiarity with cryptographic principles, digital certificates, and PKI concepts. Knowledge ...