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 ...

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 ...

support enterprise LAN/WAN infrastructure Provide technical leadership across routing, switching, and network security Act as an escalation point for complex network and Firewall issues Support and maintain highly secure and air-gapped environments Configure and manage network security controls, policies, and Firewalls Contribute to secure network design ...

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). ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Azure administration and troubleshooting. Windows Server - solid working knowledge and hands-on troubleshooting experience. Networking fundamentals - routing, switching, VLANs, LAN/WAN. Firewall experience - SonicWall is advantageous, but equivalent experience considered. Endpoint and security tooling - Sophos AV, Intune, MDR (or equivalent products). Unifi and/or HP switching experience. ...

task and see it through to completion. Set yourself apart: ITIL qualification desirable. Full clean driving license is preferable. Palo Alto experience Checkpoint experience Firewall Orchestration ...

connectivity tests: VLAN segmentation, IP addressing, DHCP leasing, DNS resolution, routing behavior, and switch port configurations. Validate QoS/traffic shaping, ACLs, and firewall rules affecting application reachability. Test redundancy and failover (e.g., dual links, LAG, spanning tree behavior, HA pairs). Perform latency, jitter, throughput, and packet loss validation ...

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 ...

hardware technologies supported by the team Maintain a strong customer focus at all times Hold the responsibility for: Patching The Cyber Security Risk Register Firewall Rules Microsoft End Point Protection Microsoft Defender Vulnerability Management Microsoft secure score Phishing simulation and staff training with both Cyber Security and information governance Data ...

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 ...