26 to 50 of 576 Firewall Jobs in the UK

operating systems (Windows, Linux, macOS), networking, hardware, and software troubleshooting. Microsoft 365 and Microsoft Azure infrastructure to configure and deploy new hardware i.e. Firewall, switches and wireless Attention to detail and ability to resolve issues with high level of troubleshooting skills Certifications: Relevant certifications such as CompTIA A+, Network, Microsoft ...

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 ...

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 ...

design, implement, and support secure network infrastructures across a range of complex environments. You will work across production LANs and global WANs, implement bespoke firewall rules, and contribute to high- and low-level network designs. The role blends hands-on delivery with technical problem solving, lab work, and proof ...

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 ...

authentication. Deploy Infrastructure as Code using ARM templates, Bicep, or Terraform for scalable and consistent network builds. Implement and maintain secure networking using Azure Firewall, Azure DDoS Protection, and other native security services. Monitor network performance and security using Azure Monitor, Network Watcher, and SolarWinds. Troubleshoot complex multi-layered network ...

Active Directory Holder of a current Microsoft certification (365, Azure etc.) Strong knowledge of networking (DNS, DHCP, VPN, TCP/IP) and router/firewall configuration Hold an up-to-date CompTIA N+ certificate (essential) Hold an up-to-date CompTIA A+ certificate (desired) Excellent troubleshooting and problem-solving skills ...

e.g. Hyper-V), ensuring system reliability and performance. Network Support Diagnose and resolve network-related issues, including TCP/IP, DNS, DHCP, VLANs, and firewall configurations, ensuring minimal disruption to business operations. Bespoke Application Support Provide ongoing support, troubleshooting, and user assistance for internally developed business applications, including Excel-based ...

others Knowledge and experience of IT systems, networking and security threat landscape including: Network fundamentals for example OSI stack, TCP/IP, DNS. HTTPS, firewall logs, packet capture and analysis. Cloud technologies (AWS, Google Cloud, Azure) Active Directory, Group Policies, PowerShell Endpoint protection applications (Antivirus, Web Filtering, ATP, Encryption ...

Security Service Edge) — SWG, CASB, DLP, RBI and integration patterns ZTNA/Zero Trust — principles, frameworks, identity-centric access, micro-segmentation Next-Generation Firewall & IPS/IDS — policy design, segmentation, east-west traffic control Network Access Control (NAC/802.1X, Cisco ISE, Aruba ClearPass) Secure SD-WAN and the convergence ...

environments. In this role, youll: Design, deliver, and support robust LAN and large-scale WAN environments Translate application-specific needs into precise and secure firewall policies Experiment, test, and validate emerging technologies in a lab/POC setting Apply Secure-by-Design principles throughout network solutions Core Experience Required Solid ...

administration Excellent experience with Microsoft technologies Good general knowledge of networking and technologies: TCP/IP stack, concept of VLANs and firewalls, wireless configurations Firewall Implementations -Fortigate/Cisco/Sonicwall/Watchguard Backup Solutions - Azure/Veeam Virtualisation - Hyper-V, VMware, AVD, RDS In-depth Knowledge of O365 suite ...

this role, you'll: Design, deliver, and support robust LAN and large-scale WAN environments Translate application-specific needs into precise and secure Firewall policies Experiment, test, and validate emerging technologies in a lab/POC setting Apply Secure-by-Design principles throughout network solutions Core Experience Required Solid background ...

deployments Automate operational tasks and repetitive processes Networking and IP Management Strong working knowledge of Infoblox Solid understanding of DNS, DHCP, IPAM, routing, and firewall fundamentals Troubleshoot on premises and cloud networking issues Storage and Backup Understanding of enterprise storage concepts Experience with Commvault for backup and recovery operations Support ...

network traffic flows to support business-critical services • Build and maintain secure hybrid connectivity across Azure, AWS, and OCI • Implement and manage Palo Alto firewall policies across on-prem and cloud environments, aligned to Zero Trust principles • Design and operate high-availability network services, including routing, segmentation, and resilience • Develop ...

with a genuine NetDevOps mindset. You will be expected to contribute to design and delivery work quickly, bringing real engineering depth across enterprise networking, firewall technologies, data centre architecture and automation. You will need proven experience working with the following: Designing and implementing complex enterprise network infrastructure across data centre ...

diverse SME customer base. Key responsibilities include: Technical Escalations: Resolving complex issues across M365 (Exchange, SharePoint, Teams), Intune, and Entra ID. Infrastructure & Networking: Troubleshooting firewall rules, VPNs, VLANs, and hybrid identity setups. Mentorship: Supporting 1st line and apprentice engineers through pair-troubleshooting and knowledge transfer. Continuous Improvement: Identifying recurring ticket ...

voice infrastructure environments Required Skills & Experience Minimum 5 years experience in Network Engineering roles Strong hands-on experience with: Switching Routing Firewall configuration Load balancing Voice technologies Cisco CCNA certified or equivalent Strong understanding of: Network security VPN technologies Converged networks Broadband technologies Experience installing, configuring and troubleshooting enterprise ...

Background You'll bring strong hands-on experience across: Infrastructure VMware/vSphere RHEL & Windows Server Trellix SIEM platforms Linux & Scripting Shell scripting REGEX Firewall configuration Microsoft Stack Active Directory DNS RDS Applications & Protocols LDAP Email, Chat & File standards Web & Chat protocols XML & JSON schema LDIF TLS server/client ...

teams to ensure smooth transition into live services Skills & Experience Required Minimum 5 years' experience in Network Engineering roles Strong experience with: Switching & routing Firewall technologies Load balancing Enterprise voice networks Cisco CCNA certified (or vendor equivalent) Strong understanding of: Network security VPN technologies Converged networks LAN/WAN infrastructure ...

prioritise effectively Desirable NVQ Level 4 (or higher) in ICT/Telecommunications Networking certifications (e.g. CCNA, Network+ ) Experience with Cisco switching Exposure to firewall technologies Knowledge of Windows Server (2016/2019) Understanding of DNS, DHCP, NAT, Group Policy Experience with backup technologies or VOIP systems Key Attributes Proactive, self ...

CCNP) Hands-on use of Wireshark, SIP traces, or packet analysis tools Understanding of VoIP/SIP, TCP/IP, DNS, DHCP, VLANs, and firewall configurations Experience with telecare platforms, IoT systems, or digital alarm receivers Background in customer-facing technical roles Passion for innovation, automation, and continuous improvement ...

Desirable (Nice to have): Experience with RMM and PSA tools (e.g. ConnectWise, Autotask, NinjaRMM) Exposure to Microsoft Intune/Endpoint Manager/Conditional Access Firewall experience (SonicWall, WatchGuard, Fortinet) Familiarity with email security platforms (Mimecast, Barracuda) Working Pattern Fully remote, with occasional team days at the London SE1 office. ...

Desirable (Nice to have): Experience with RMM and PSA tools (e.g. ConnectWise, Autotask, NinjaRMM) Exposure to Microsoft Intune/Endpoint Manager/Conditional Access Firewall experience (SonicWall, WatchGuard, Fortinet) Familiarity with email security platforms (Mimecast, Barracuda) Working Pattern Fully remote, with occasional team days at the London SE1 office. ...

Desirable (Nice to have): Experience with RMM and PSA tools (e.g. ConnectWise, Autotask, NinjaRMM) Exposure to Microsoft Intune/Endpoint Manager/Conditional Access Firewall experience (SonicWall, WatchGuard, Fortinet) Familiarity with email security platforms (Mimecast, Barracuda) Working Pattern Fully remote, with occasional team days at the London SE1 office. ...