1 to 25 of 490 Firewall Jobs in England

sites, ensuring high availability, resilience, and performance. Key Responsibilities Manage, maintain, and optimise the organisation's network infrastructure Oversee LAN, WAN, Wi-Fi, VPN, firewall, and internet connectivity environments Lead network security initiatives including monitoring, patching, access control, and incident response Support and develop cloud and hybrid infrastructure connectivity Manage ...

desktop and device support • DNS and DHCP • Networking fundamentals: firewalls, routing, NAT, VLANs and switching • Wi Fi technologies, including UniFi or equivalent enterprise platforms • Firewall management, ideally SonicWall or similar • VPN technologies, including SSL and site to site • PC and laptop hardware diagnostics and build Desirable Skills • Jamf ...

desktop and device support • DNS and DHCP • Networking fundamentals: firewalls, routing, NAT, VLANs and switching • Wi Fi technologies, including UniFi or equivalent enterprise platforms • Firewall management, ideally SonicWall or similar • VPN technologies, including SSL and site to site • PC and laptop hardware diagnostics and build Desirable Skills • Jamf ...

with clients to understand and resolve technical issues Key Skills & Experience: Strong knowledge of networking fundamentals (TCP/IP, DNS, DHCP, VPNs) Experience with firewall configuration and network security Hands-on experience with VMware ESXi or similar virtualization platforms Solid understanding of Windows OS (desktop and server) Excellent troubleshooting ...

Group Policy. Strong general networking skills (CLI, Subnetting, NAT). Good understanding of DNS. Router configuration and support experience (Cisco, HP, Draytek). Firewall configuration and support experience (Watchguard, SonicWALL). HP ProLiant and Dell PowerEdge Server Hardware support experience. VMware and Hyper V support experience (VCP an advantage). ...

Cloud VMware and/or Hyper-V Microsoft Azure (IaaS and Identity) Backup and Disaster Recovery Networking TCP/IP, DNS, DHCP, VLANs, VPNs Firewall troubleshooting and traffic analysis Security MFA, Conditional Access, Endpoint Protection Basic security incident containment Tools RMM and PSA tools (Autotask, ConnectWise, or similar) Monitoring ...

ADFS, Group Policy, DNS, Trusts). SQL Server/MySQL Administration (Availability Groups, TDE, Backup & Restore). SharePoint Admin, Cisco/Juniper Firewall Admin, Load Balancer Configuration (BigIP F5, HAProxy). Scripting using PowerShell, Bash, YAML, and Python. Email Support (Dovecot, Postfix, Spam Prevention, Mail Routing) Web Server Support ...

working heavily with cloud and network administration Deep expertise in at least one major cloud platform Strong knowledge of enterprise networking protocols Experience with firewall administration and network security policy management Senior Systems Administrator ...

Cisco networking fundamentals. Okta and SSO authentication. Infrastructure as Code, including Terraform. DevOps and automation practices. Role-Based Access Control (RBAC). Networking and firewall technologies. Why Join? This contract opportunity offers the chance to play a key role in strengthening the client's cloud and modern workplace capability within ...

solutions such as SentinelOne/Defender for endpoint Layer 2 Switch configuration VLANs, trunks, access ports, POE Racking, cabling, hardware installation eg firewall installation, cabinet patching and tidying Wifi Protocol general knowledge DNS records, email filtering/connectors Firewalls, access control and NAT Endpoint management policy enforcement, device control ...

solutions such as SentinelOne/Defender for endpoint Layer 2 Switch configuration – VLANs, trunks, access ports, POE Racking, cabling, hardware installation – eg firewall installation, cabinet patching and tidying Wifi Protocol general knowledge – DNS records, email filtering/connectors Firewalls, access control and NAT Endpoint management – policy enforcement, device control ...

solutions such as SentinelOne/Defender for endpoint Layer 2 Switch configuration VLANs, trunks, access ports, POE Racking, cabling, hardware installation eg firewall installation, cabinet patching and tidying Wifi Protocol general knowledge DNS records, email filtering/connectors Firewalls, access control and NAT Endpoint management policy enforcement, device control ...

knowledge across on-prem and Azure environments Experience with Windows Server, VMware and/or Hyper-V Exposure to hybrid cloud, routing, VPNs and firewall technologies Interest or experience in zero trust environments/Zscaler is a plus A proactive, technically curious problem-solver who takes ownership and works independently ...

Required Experience & Skills 5-7+ years of experience designing, implementing and supporting medium to large enterprise networks (10,000+ users). Palo Alto Firewall platforms (Pan-OS, Threat Prevention, User-ID, GlobalProtect, HA, Prisma Access) Automation and Scripting (Python/Ansible/Terraform Strong hands-on experience with Cisco ...

NIST. Required Experience & Skills 5–7+ years of experience designing, implementing and supporting medium to large enterprise networks (10,000+ users). Palo Alto firewall platforms (Pan-OS, Threat Prevention, User-ID, GlobalProtect, HA, Prisma Access) Automation and Scripting (Python/Ansible/Terraform Strong hands-on experience with Cisco ...

Intune, Purview and compliance controls, plus core services. LAN/WAN network security & patch management. VM management (VMware/Proxmox). Cyber Security & Firewall management. AWS cloud administration. IT Incident response & DR. What youll need: A minimum of 5+ years experience in IT Infrastructure/Networking/Service Delivery ...

security-first approach to all fixes Desirable Microsoft qualifications around M365 and Azure Hands-on experience administering Secure Web Gateway technologies (web filter, web firewall, IPS/IDS) Keep systems up to date by installing software/firmware updates in line with vendor releases, while maintaining service availability for staff ...

paths, and workstations. Support enterprise networking across Extreme, Cisco, Dell, and HPE switching, including configuration and fault resolution. Assist with Juniper and Palo Alto firewall environments and resolve network connectivity issues. Apply core networking principles including VLANs, routing basics, STP, ARP, link aggregation, and network segmentation. Maintain DNS, DHCP … physical hardware management. Strong working knowledge of Extreme, Cisco, Dell, and HPE switching platforms, including configuration, troubleshooting, and performance monitoring. Understanding of enterprise firewall concepts with exposure to Juniper and Palo Alto firewall technologies. Ability to diagnose complex network issues impacting servers, storage, virtual machines, authentication paths, and workstation connectivity. ...

pressure environments Excellent communication and documentation skills Security Requirements: Must hold active SC Clearance Desirable: Experience working in secure or government environments Exposure to firewall technologies and network security principles Relevant certifications (e.g. JNCIA/JNCIS, Extreme certifications, CCNA/CCNP ...

Windows Server OS Microsoft 365 administration Azure AD Policy management Microsoft Exchange IIS RDS SharePoint Networking technologies: TCPIP, DNS, DHCP, VPNs RAID Router/Firewall technologies & security Beneficial Experience Backup technologies SQL Citrix VEEAM Acronis VMs, VPS Other Stuff This is a permanent full-time role, based Monday-Friday ...

Windows Server OS Microsoft 365 administration Azure AD Policy management Microsoft Exchange IIS RDS SharePoint Networking technologies: TCPIP, DNS, DHCP, VPNs RAID Router/Firewall technologies & security Beneficial Experience Backup technologies SQL Citrix VEEAM Acronis VMs, VPS Other Stuff This is a permanent full-time role, based Monday-Friday ...

quickly determine and resolve complicated technical issues. Resolution of incidents related to, but not limited to the following: Mail Application/Office 365 issues Firewall Issues including but not limited to SSLVPN, Site to Site VPN, Access Rules Troubleshooting & Assessment of backup/disaster recovery solutions to ensure data retention ...

systems remain robust and dependable. Network troubleshooting will form part of your day-to-day work, including DNS, DHCP, TCP/IP, VLANs, and firewall-related issues, helping to maintain smooth business operations. You’ll also support internally developed business applications and tools, working with stakeholders and developers to resolve ...

platforms • Troubleshoot complex network security incidents and produce root cause analysis • Conduct proactive reviews of client environments to identify risks and improvement opportunities • Manage firewall rule sets, policy optimization and change processes • Support client service reviews and act as a trusted technical advisor • Contribute to network security architecture design ...

sites at short notice. Infrastructure and Network support: Install, configure, and maintain Windows Server environments (2016/2019/2022). Configure and manage firewall platforms (hardware and software-based). Maintain virtualised environments using platforms such as VMware ESXi and Microsoft Hyper-V. Customer Repairs (RMAs): Perform root cause ...