1 to 25 of 222 Firewall Jobs in London

5+ years’ experience in network and infrastructure engineering roles. Proven experience managing and delivering technical projects end-to-end. Strong knowledge of IP networking, routing, switching, VLANs, VPNs, and firewall configuration (Cisco, Fortinet, Palo Alto, etc.). Hands-on experience with cloud platforms (Microsoft Azure, AWS, or equivalent). Familiarity with Active Directory, Azure AD, DNS, DHCP, Group Policy, and More ❯

5+ years’ experience in network and infrastructure engineering roles. Proven experience managing and delivering technical projects end-to-end. Strong knowledge of IP networking, routing, switching, VLANs, VPNs, and firewall configuration (Cisco, Fortinet, Palo Alto, etc.). Hands-on experience with cloud platforms (Microsoft Azure, AWS, or equivalent). Familiarity with Active Directory, Azure AD, DNS, DHCP, Group Policy, and More ❯

5+ years’ experience in network and infrastructure engineering roles. Proven experience managing and delivering technical projects end-to-end. Strong knowledge of IP networking, routing, switching, VLANs, VPNs, and firewall configuration (Cisco, Fortinet, Palo Alto, etc.). Hands-on experience with cloud platforms (Microsoft Azure, AWS, or equivalent). Familiarity with Active Directory, Azure AD, DNS, DHCP, Group Policy, and More ❯

5+ years’ experience in network and infrastructure engineering roles. Proven experience managing and delivering technical projects end-to-end. Strong knowledge of IP networking, routing, switching, VLANs, VPNs, and firewall configuration (Cisco, Fortinet, Palo Alto, etc.). Hands-on experience with cloud platforms (Microsoft Azure, AWS, or equivalent). Familiarity with Active Directory, Azure AD, DNS, DHCP, Group Policy, and More ❯

Alto Networks Certified Network Security Engineer PCNSE Check Point Certified Security Administrator CCSA Check Point Certified Security Expert CCSE Certified Network Security Professional eg CISSP CompTIA Security Mandatory Skills : Firewall - CheckPoint,Firewall - Palo Alto,Firewall - Cisco,Firewall - Fortinet,Network Security - Next Generation Firewalls/NAC/Zero Trust/Segmentation/APT/IPS/IDS,Network Security Randstad Technologies More ❯

and administration, including topology, Azure networking, services, and component knowledge, • Microsoft AD (Entra), Server and SQL experience, • O365 administration and design • Global Software Patching and estate management via Intune • Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience • Software Defined Networking (Cisco, Meraki, Versa) Key Skills • Microsoft 365 & Azure: Strong experience managing Microsoft More ❯

and security practices (IPSec, SSL-VPN, NAT, GRE) Hands-on experience with cloud infrastructure operations and troubleshooting customer tech stacks. Familiarity with SIEM tools, vulnerability management, malware analysis, and firewall configurations Ability to communicate complex technical solutions to a wide range of audiences, both technical and non-technical Skilled in Python, JSON, YAML, Bash, or other relevant scripting languages More ❯

Overview Of The Role As the Senior Technology & Automation Engineer in the TechOps & Project Delivery team, you will be required to support the design, implementation, and optimization of our enterprise infrastructure systems. The ideal candidate will possess technical expertise across More ❯

for the Service Desk Team * Set up and configure Local Area Networks (LANs), including hardware deployment and support * Coordinate with third-party MSPs for network and infrastructure management * Manage firewall operations and connectivity with ISPs * Oversee network IP addressing and VPN setups * Support business continuity through proactive incident management * Rapid deployment of site connectivity solutions, including 4G routers * Monitor network More ❯

for the Service Desk Team * Set up and configure Local Area Networks (LANs), including hardware deployment and support * Coordinate with third-party MSPs for network and infrastructure management * Manage firewall operations and connectivity with ISPs * Oversee network IP addressing and VPN setups * Support business continuity through proactive incident management * Rapid deployment of site connectivity solutions, including 4G routers * Monitor network More ❯

Exchange Online, SharePoint, Teams, OneDrive) Azure Active Directory & Conditional Access Microsoft Intune/Endpoint Manager Microsoft Defender security suite Deep troubleshooting skills across networks, infrastructure, and applications. Experience with firewall management, routing, and VPN configuration. Skilled in automation/scripting (PowerShell preferred). Comfortable managing both remote and on-site support for diverse client environments. Desirable Skills: Microsoft certifications (MS More ❯

troubleshooting Flexera agents across AWS and Azure environments. Apply infrastructure-as-code practices (Terraform, PowerShell) to automate deployment and standardise infrastructure operations. Overcome advanced networking challenges (DNS, static routes, firewall rules, security protocols) to enable agent-to-server connectivity. Work across legacy and bespoke environments , ensuring agent deployment succeeds in inconsistent architectures. Contribute to estate-wide architectural planning covering containerised More ❯

design and deployment. Demonstrate extensive experience of designing and deploying: Cisco Catalyst and Nexus routing and switching (including traditional and software-defined solutions), Cisco Catalyst SD-WAN, Cisco Secure Firewall, Cisco Identity Services Engine (ISE), Cisco SASE & SSE, advanced routing (BGP, MP-BGP, MPLS, VxLAN EVPN, ECMP, OSPF, Multicast), advanced switching (StackWise Virtual, Spanning Tree, QoS/CoS), and VPN. More ❯

Office Moves and Changes Design, 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. Implement and manage VeloCloud SD-WAN solutions to optimise network performance and ensure reliable connectivity across multiple locations. Experience: Cisco More ❯

fundamentals (TCP/IP, VLANs, routing protocols, MPLS). Experience with switches, routers, and firewalls from vendors such as Fortinet, Arista, Palo Alto, Cisco, Juniper, or Checkpoint. Exposure to firewall configuration and VPN setup. Basic Linux/Unix administration; scripting (Python) desirable. Relevant technical degree or certifications (CCNA, CompTIA Network+). Enthusiastic, curious, and adaptable. This is a great opportunity More ❯

fundamentals (TCP/IP, VLANs, routing protocols, MPLS). Experience with switches, routers, and firewalls from vendors such as Fortinet, Arista, Palo Alto, Cisco, Juniper, or Checkpoint. Exposure to firewall configuration and VPN setup. Basic Linux/Unix administration; scripting (Python) desirable. Relevant technical degree or certifications (CCNA, CompTIA Network+). Enthusiastic, curious, and adaptable. This is a great opportunity More ❯

Active Directory Microsoft Intune/Endpoint Manager Microsoft Defender security suite Hands-on experience with Windows, macOS, Android, and iOS support. Solid troubleshooting skills across networks, infrastructure, and applications. Firewall monitoring and security event handling experience. Confident supporting both remote and on-site users. Hardware builds and deployments. Desireable but not essential: Microsoft certifications (MS-100, AZ-104, MD More ❯

Active Directory Microsoft Intune/Endpoint Manager Microsoft Defender security suite Hands-on experience with Windows, macOS, Android, and iOS support. Solid troubleshooting skills across networks, infrastructure, and applications. Firewall monitoring and security event handling experience. Confident supporting both remote and on-site users. Hardware builds and deployments. Desireable but not essential: Microsoft certifications (MS-100, AZ-104, MD More ❯

and enforce network security policies and procedures to safeguard the integrity and confidentiality of organizational data. Ensure compliance with industry standards, including NIST, PCI-DSS, and GDPR, by enforcing firewall, VPN, and other security measures. Collaboration and Leadership Work closely with cross-functional teams, including cybersecurity, cloud architects, systems engineers, and external vendors to optimize network operations. Mentor junior network More ❯

and troubleshooting within live network environments Design and implement network solutions tailored for performance, resilience, and security Collaborate with cybersecurity, DevOps, and infrastructure teams to ensure seamless operations Support firewall, VPN, and intrusion prevention configurations where relevant Document all configurations and processes in line with security compliance standards Essential Skills & Experience: Proven experience working with A10 Networks (Thunder ADC, CGNAT More ❯

and troubleshooting within live network environments Design and implement network solutions tailored for performance, resilience, and security Collaborate with cybersecurity, DevOps, and infrastructure teams to ensure seamless operations Support firewall, VPN, and intrusion prevention configurations where relevant Document all configurations and processes in line with security compliance standards Essential Skills & Experience: Proven experience working with A10 Networks (Thunder ADC, CGNAT More ❯

and troubleshooting within live network environments Design and implement network solutions tailored for performance, resilience, and security Collaborate with cybersecurity, DevOps, and infrastructure teams to ensure seamless operations Support firewall, VPN, and intrusion prevention configurations where relevant Document all configurations and processes in line with security compliance standards Essential Skills & Experience: Proven experience working with A10 Networks (Thunder ADC, CGNAT More ❯

infrastructure projects. Key Responsibilities Design, 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. Administer and configure FortiGate Firewalls for advanced security and threat management. Monitor network performance, troubleshoot issues, and ensure high availability. Develop and enforce network security policies, procedures, and standards. More ❯

M365 management portal, conditional access and licence management Active Directory and Azure AD (Entra) management Skills working with cloud infrastructure (AWS or Azure) Understanding of Data networking Knowledge of firewall requirements Windows 11 Laptop management, SCCM, Intune, Autopilot Provision of email services, and email routing technologies (eg M365 Exchange Online/Hybrid Exchange) Mail protection e.g. Mimecast Security and Threat More ❯

My client, a leading multi-strategy hedge fund, is seeking an mid level (3-10 years of exp) Infrastructure Engineer to join their high-performing team. This individual will help support and evolve the firm’s multi-cloud technology estate More ❯