1 to 25 of 1,444 Firewall Jobs

/Hybrid including Defender, Intune and security policies * Server Virtualisation (Hyper-V/VMware) * Cloud services including Azure and AWS * LAN/VLAN/WAN (routers, switches, Wi-Fi, firewall) * Communications (VOIP, Leased Lines) * Dell/HP Server Hardware * Storage infrastructures SAN, NAS, DAS * Backup and DR technologies (experience of Veeam and Datto) * SharePoint management and support * IT Security including More ❯

/Hybrid including Defender, Intune and security policies * Server Virtualisation (Hyper-V/VMware) * Cloud services including Azure and AWS * LAN/VLAN/WAN (routers, switches, Wi-Fi, firewall) * Communications (VOIP, Leased Lines) * Dell/HP Server Hardware * Storage infrastructures SAN, NAS, DAS * Backup and DR technologies (experience of Veeam and Datto) * SharePoint management and support * IT Security including More ❯

management. Experience supporting or integrating MinIO or similar S3-compatible object storage. Technical Skills: Familiarity with advanced networking concepts and protocols (TCP/IP, DNS, DHCP, VLANs, routing, proxies, firewall configuration, etc.). Strong Ubuntu Linux system administration and troubleshooting skills. Proficient in working with CLI tools and analyzing logs. Experience with storage solutions, volume mounts, and container data persistence. More ❯

and performance using diagnostic tools such as Wireshark, SolarWinds, or similar. Manage IP addressing schemes, VLANs, and routing protocols (e.g., OSPF, EIGRP). Ensure network security through access controls, firewall policies, and intrusion detection systems. Collaborate with infrastructure and security teams on network upgrades, migrations, and architecture planning. Support server environments including Windows Server, Active Directory, and Microsoft Exchange. Maintain More ❯

and security clearances (DBS and CTC). Relevant Vendor training and certifications DESIRABLE: Experience supporting mission-critical cloud-based systems, particularly Azure. Knowledge of and experience with Palo Alto firewall configuration. Proficiency in Power Shell scripting. This role is ideal for an IT professional with a robust background in infrastructure management, strong troubleshooting skills, and a proactive approach to maintaining More ❯

and security clearances (DBS and CTC). Relevant Vendor training and certifications DESIRABLE: Experience supporting mission-critical cloud-based systems, particularly Azure. Knowledge of and experience with Palo Alto firewall configuration. Proficiency in Power Shell scripting. This role is ideal for an IT professional with a robust background in infrastructure management, strong troubleshooting skills, and a proactive approach to maintaining More ❯

and security clearances (DBS and CTC). Relevant Vendor training and certifications DESIRABLE: Experience supporting mission-critical cloud-based systems, particularly Azure. Knowledge of and experience with Palo Alto firewall configuration. Proficiency in Power Shell scripting. This role is ideal for an IT professional with a robust background in infrastructure management, strong troubleshooting skills, and a proactive approach to maintaining More ❯

and security clearances (DBS and CTC). Relevant Vendor training and certifications DESIRABLE: Experience supporting mission-critical cloud-based systems, particularly Azure. Knowledge of and experience with Palo Alto firewall configuration. Proficiency in Power Shell scripting. This role is ideal for an IT professional with a robust background in infrastructure management, strong troubleshooting skills, and a proactive approach to maintaining More ❯

using VMware, Hyper-V, or KVM Manage storage systems, including XFS NAS in virtualized environments (e.g., TrueNAS) Apply patches, monitor logs, and enforce cybersecurity policies using firewalld, SELinux, Windows Firewall, etc. Implement and manage VPNs, user access controls, and endpoint protection Troubleshoot network and system-level issues in hybrid Linux/Windows environments Automate tasks and deployments using Bash, PowerShell More ❯

and security clearances (DBS and CTC). Relevant Vendor training and certifications DESIRABLE: Experience supporting mission-critical cloud-based systems, particularly Azure. Knowledge of and experience with Palo Alto firewall configuration. Proficiency in Power Shell scripting. This role is ideal for an IT professional with a robust background in infrastructure management, strong troubleshooting skills, and a proactive approach to maintaining More ❯

regulated environment such as an OPO Technical Skills: Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, etc.). Proficiency with Cisco, or similar networking hardware. Experience with firewall management, IDS/IPS, VPNs, and endpoint security tools. Experience with VoIP systems, including setup, management, and troubleshooting of VoIP infrastructure (e.g., Cisco, RingCentral, Genesys Purecloud, Microsoft Teams Voice). More ❯

Active Directory/Entra ID, Exchange/Office 365 Hands-on knowledge of Azure and/or AWS cloud platforms Experience with VMware and Hyper-V virtualisation Familiarity with firewall management, VLAN creation, LAN/WAN troubleshooting Solid understanding of backup and disaster recovery solutions Awareness of compliance frameworks (Cyber Essentials Plus, PCI DSS, ISO, CoCo) Excellent problem-solving skills More ❯

ll Do: As the Senior Network Infrastructure Engineer, you’ll serve as the go-to escalation point for complex network & infrastructure issues. Maintain LAN/WAN, VPN, Wi-Fi, firewall, and Azure environments, including Azure Virtual Desktop. Configure and troubleshoot network devices across platforms like Cisco, Fortinet, HP, and Aruba. Collaborate with clients and vendors to deliver secure, scalable network More ❯

ll Do: As the Senior Network Infrastructure Engineer, you’ll serve as the go-to escalation point for complex network & infrastructure issues. Maintain LAN/WAN, VPN, Wi-Fi, firewall, and Azure environments, including Azure Virtual Desktop. Configure and troubleshoot network devices across platforms like Cisco, Fortinet, HP, and Aruba. Collaborate with clients and vendors to deliver secure, scalable network More ❯

Active Directory. A strong understanding of IT Networking principles such as DNS, DHCP, TCP/IP, WAN, LAN, WLAN, VLAN and Wi-Fi topologies. Previous experience in managing various Firewall technologies – Checkpoint, Meraki, Sophos, Watchguard and Fortinet. Virtualisation technologies – VMWare, Hyper-V, Citrix. Experience in cloud technologies such as Azure, Office 365, AWS and Google Cloud. This is a great More ❯

Active Directory. A strong understanding of IT Networking principles such as DNS, DHCP, TCP/IP, WAN, LAN, WLAN, VLAN and Wi-Fi topologies. Previous experience in managing various Firewall technologies – Checkpoint, Meraki, Sophos, Watchguard and Fortinet. Virtualisation technologies – VMWare, Hyper-V, Citrix. Experience in cloud technologies such as Azure, Office 365, AWS and Google Cloud. This is a great More ❯

provisioning, configuring, supporting and maintaining cloud infrastructure and services, with an emphasis on Microsoft 365, Exchange online, SharePoint, Teams, and Intune. Deliver IT projects (e.g. email migrations, Intune deployments, firewall installations, email threat protection implementations as well as internet connectivity and VoIP etc). Managing email and network security. Proactive and reactive monitoring and maintenance of client networks. Ensuring security More ❯

TCPDump. Collaboration and communication skills across multiple teams and businesses. Good-to-Have Skills Relevant certifications such as AWS Security Specialty, CISA, CISM, GIAC, Security+, or CISSP. Palo Alto Firewall, F5 LTM/GTM. Palo Alto Cortex suite of tools. Network technologies: switching, routing, wireless. PowerShell and Python Scripting. Power BI and Power Automate. Integrating security systems via API, etc. More ❯

TCPDump. Collaboration and communication skills across multiple teams and businesses. Good-to-Have Skills Relevant certifications such as AWS Security Specialty, CISA, CISM, GIAC, Security+, or CISSP. Palo Alto Firewall, F5 LTM/GTM. Palo Alto Cortex suite of tools. Network technologies: switching, routing, wireless. PowerShell and Python Scripting. Power BI and Power Automate. Integrating security systems via API, etc. More ❯

TCPDump. Collaboration and communication skills across multiple teams and businesses. Good-to-Have Skills Relevant certifications such as AWS Security Specialty, CISA, CISM, GIAC, Security+, or CISSP. Palo Alto Firewall, F5 LTM/GTM. Palo Alto Cortex suite of tools. Network technologies: switching, routing, wireless. PowerShell and Python Scripting. Power BI and Power Automate. Integrating security systems via API, etc. More ❯

TCPDump. Collaboration and communication skills across multiple teams and businesses. Good-to-Have Skills Relevant certifications such as AWS Security Specialty, CISA, CISM, GIAC, Security+, or CISSP. Palo Alto Firewall, F5 LTM/GTM. Palo Alto Cortex suite of tools. Network technologies: switching, routing, wireless. PowerShell and Python Scripting. Power BI and Power Automate. Integrating security systems via API, etc. More ❯

TCPDump. Collaboration and communication skills across multiple teams and businesses. Good-to-Have Skills Relevant certifications such as AWS Security Specialty, CISA, CISM, GIAC, Security+, or CISSP. Palo Alto Firewall, F5 LTM/GTM. Palo Alto Cortex suite of tools. Network technologies: switching, routing, wireless. PowerShell and Python Scripting. Power BI and Power Automate. Integrating security systems via API, etc. More ❯

InTune Microsoft Azure IaaS Technologies Microsoft Azure Virtual Desktop Multi-Factor Authentication and Conditional Access Setup and Configuration for Office 365 and Related Technologies Backup Technologies (Veeam and Datto) Firewall Technologies (Sophos UTM/XG, Sonicwall, Cisco Meraki & Watchguard) Detailed Knowledge of Switching and Routing, Including VLANs and Networking Technologies (TCP/IP, VPN, DHCP, DNS, SSL) (Aruba, Cisco, UniFi More ❯

InTune Microsoft Azure IaaS Technologies Microsoft Azure Virtual Desktop Multi-Factor Authentication and Conditional Access Setup and Configuration for Office 365 and Related Technologies Backup Technologies (Veeam and Datto) Firewall Technologies (Sophos UTM/XG, Sonicwall, Cisco Meraki & Watchguard) Detailed Knowledge of Switching and Routing, Including VLANs and Networking Technologies (TCP/IP, VPN, DHCP, DNS, SSL) (Aruba, Cisco, UniFi More ❯

for an Infrastructure Engineer to join their close-knit IT Team. This is a hands-on technical role that will see you managing critical network infrastructure, cloud connectivity, and firewall systems for a demanding business landscape. You’ll play a key part in ensuring high availability, performance, and security across both on-prem and cloud systems while driving improvements and More ❯