1 to 25 of 147 Firewall Jobs in the South East

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 ...

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 ...

Office 365 Microsoft Exchange/Outlook administration VMware/Hyper-V Data backup solutions -VEEAM or equivalent Networking fundamentals - LAN, WAN, VPN, Wi-Fi, firewall configuration Strong PC hardware Software troubleshooting Excellent communication skills Professional, client-facing manner Location The role is primarily field-based across London and client sites ...

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 ...

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 ...

identity, and core services Windows Server, Active Directory, Group Policy, and Entra ID Networking experience including routing, switching, VLANs, VPNs, DNS, and DHCP WatchGuard firewall experience would be highly beneficial Teams Phone and/or 3CX experience would be advantageous Previous experience delivering infrastructure projects within an MSP environment What ...

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 ...

Internal Systems which are mostly cloud hosted, but we also operate a minimal local infrastructure. You will be maintaining our local network including firewall, VPN, Wi-Fi and Active Directory services. Other responsibilities will include administering our Azure and Microsoft 365 environment, managing end user devices and endpoint security, onboarding ...

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. ...

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 ...

troubleshooting• Virtualisation (Ideally with Hyper-V and integration with Azure), SANs and other related technologies• Backup Product Sets such as Veeam and Azure Backup• Firewall technologies such as Palo Alto• Leading migration projects• Strong documentation skills eg. PCI Compliance, ISO27001 etc• Great communication skills (in person and via telephone) - excellent ...

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 ...

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 ...

security processes Familiarity with pattern matching techniques and regular expressions (Regex) , particularly within security or antivirus tooling Configuration and management of the standard RHEL firewall Exposure to Linux-based security tooling and antivirus technologies Gateway Technologies Understanding of Gateway appliances and associated software Knowledge of secure communications protocols , including messaging ...

Ensure compliance with MoD security standards including JSP 440 and SbD requirements. Support internal/external audit, accreditation and remediation activities. Maintain secure configurations, firewall rules, access control policies, and logging standards. Provide security assurance during change, deployment and release activities. Support improvement of SecOps processes, SOPs and monitoring automation. ...

these through internal and customer approval processes Requirements: Network specific certification from Cisco, Aruba, Juniper or similar at minimum CCNP level or equivalent NG Firewall experience with Palo Alto, Fortinet, Checkpoint, preferably certified at CCSE or equivalent level Experience in one of more of the following would be highly advantageous ...

IPSEC. Alongside project work, youll support the existing network estate where neededtroubleshooting issues across WAN environments, analysing logs, and resolving more complex routing or firewall-related problems. Youll also get involved in maintaining and improving network security, working with technologies such as FortiManager and FortiAnalyzer, and ensuring best practice across ...

GICSP, AZ-500, SC-200, etc. will be added advantage. Required Experience: Advanced experience in Security technologies like (SIEM, PAM, IAM, PenTest, Threat Hunting, Firewall, Proxy etc.) preferably within a global IT services organization. Who we are As the third largest data center provider, we operate over 150 data centers ...

experiences in Telecom network, DICT products. Good project management skill and communication skills. DICT products & solutions skills: LAN, WLAN, Public/Private Cloud, Firewall, Server, Storage, Phone system, Video Conference and Surveillance system. Telcom network products, leased line, IP Transit. Problem solving - ability to use skillset to solve challenges/ ...

Crowdstrike on prem to the cloud • Hands-on experience with Kubernetes clusters and containerised environments • Networking including network protocols, DNS, VPN, Load Balancing and Firewall • Experience with Prometheus, Grafana, Dynatrace, AppDynamics, Splunk, or AIOps on Azure Cloud or any similar observability tooling • Experience in SRE and/or DevOps roles ...

Ensure compliance with MoD security standards including JSP 440 and SbD requirements. Support internal/external audit, accreditation and remediation activities. Maintain secure configurations, firewall rules, access control policies, and logging standards. Provide security assurance during change, deployment and release activities. Support improvement of SecOps processes, SOPs and monitoring automation. ...

required: Experience defining/implementing network segmentation and micro-segmentation strategies Zero Trust networking principles and identity-aware access controls Designing, implementing and optimising firewall and proxy security policies. Deep hands-on experience with: Fortinet (FortiGate, FortiManager, FortiAnalyzer) Zscaler (ZIA, ZPA, Zero Trust Exchange) Palo Alto Networks (PAN-OS, Panorama ...

Troubleshoot issues across Windows, Microsoft 365, and network systems Support and maintain cloud platforms, ensuring performance and security Act as an escalation point for firewall and connectivity issues Work closely with 1st line and senior engineers to resolve incidents Build strong relationships with clients and deliver high-quality support Assist ...