1 to 25 of 199 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 ❯

Understanding of Cisco Meraki MDM and SDWAN Proficiency in scripting (e.g., PowerShell, Python) Experience with backup and recovery tools (e.g., Commvault, Veeam, Acronis, etc) Experience with network troubleshooting and firewall configuration Our Culture We're an energic fast-paced brand that embraces progress and strives for innovation. Hard work is rewarded with new opportunities at every level and kindness is 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 ❯

in relevant bodies such as BCS, IEEE, ISACA, (ISC) , CompTIA, or ITIL/AXELOS. Skilled in LAN/WAN management, VLANs, routers/switches, VPNs (Azure or Always On), firewall configuration, and protocols (DNS, DHCP, TCP/IP). Proficient in PowerShell for automation and reporting. Knowledge of Power Automate and CI/CD pipelines. Knowledge of disaster recovery and More ❯

PC hardware and software setup/configuration – Including OS installation, driver management, and troubleshooting hardware failures. Fundamental understanding of networking – TCP/IP, DNS, DHCP, VPN, VLANs, and basic firewall configurations. ITIL framework awareness – Understanding of incident, problem, and change management processes within an ITIL-based service environment. Security awareness and best practices – Understanding of cybersecurity fundamentals, MFA, endpoint security More ❯

experience of Windows Server, Active 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 cross-functional teams; A strong 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 ❯

skillset and the ability to confidently guide clients through complex challenges. Specifically, you should have experience with: Networking & Security: Cisco switching, VLANs, routing, firewalls, VPNs, non-Cisco network/firewall tech, wireless technologies Microsoft & Server Technologies: Windows Server, Active Directory, SQL Server, Exchange, Office 365/Microsoft 365 Hardware & Backup: Server hardware (CPU/RAID/SCSI), workstations, mobile devices More ❯

skillset and the ability to confidently guide clients through complex challenges. Specifically, you should have experience with: Networking & Security: Cisco switching, VLANs, routing, firewalls, VPNs, non-Cisco network/firewall tech, wireless technologies Microsoft & Server Technologies: Windows Server, Active Directory, SQL Server, Exchange, Office 365/Microsoft 365 Hardware & Backup: Server hardware (CPU/RAID/SCSI), workstations, mobile devices More ❯

skillset and the ability to confidently guide clients through complex challenges. Specifically, you should have experience with: Networking & Security: Cisco switching, VLANs, routing, firewalls, VPNs, non-Cisco network/firewall tech, wireless technologies Microsoft & Server Technologies: Windows Server, Active Directory, SQL Server, Exchange, Office 365/Microsoft 365 Hardware & Backup: Server hardware (CPU/RAID/SCSI), workstations, mobile devices More ❯

vRealize Suite). Develop and maintain network automation scripts and templates. Troubleshoot complex network issues across virtual and physical environments. Collaborate with security teams to implement micro-segmentation and Firewall policies. Document network designs, configurations, and operational procedures. Required Skills & Experience: 5+ years of experience in network engineering with a focus on VMware NSX. Proven expertise in VMware NSX-T More ❯

vRealize Suite). Develop and maintain network automation scripts and templates. Troubleshoot complex network issues across virtual and physical environments. Collaborate with security teams to implement micro-segmentation and Firewall policies. Document network designs, configurations, and operational procedures. Required Skills & Experience: 5+ years of experience in network engineering with a focus on VMware NSX. Proven expertise in VMware NSX-T More ❯

vRealize Suite). Develop and maintain network automation scripts and templates. Troubleshoot complex network issues across virtual and physical environments. Collaborate with security teams to implement micro-segmentation and Firewall policies. Document network designs, configurations, and operational procedures. Required Skills & Experience: 5+ years of experience in network engineering with a focus on VMware NSX. Proven expertise in VMware NSX-T More ❯

vRealize Suite). Develop and maintain network automation scripts and templates. Troubleshoot complex network issues across virtual and physical environments. Collaborate with security teams to implement micro-segmentation and Firewall policies. Document network designs, configurations, and operational procedures. Required Skills & Experience: 5+ years of experience in network engineering with a focus on VMware NSX. Proven expertise in VMware NSX-T 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 ❯

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 ❯