1 to 25 of 135 Firewall Jobs in the South East

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, DNS, DHCP, Windows Server 2019-2022, and SQL Server administration. Deep understanding of LAN/WAN design, VLANs, VPNs, routing, switching, and firewall management. Experience with Microsoft 365, Intune, and Endpoint Manager. Advanced PowerShell scripting and automation skills. Proven experience managing secure environments aligned with Cyber Essentials Plus ...

classification and DLP strategies using Microsoft Purview. Cloud Security Posture: Manage Azure Landing Zone security and connectivity, collaborating with Network Engineering to validate secure firewall and VPN configurations. Compliance & Risk: Support audit readiness for ISO 27001, PCI DSS, and Cyber Essentials Plus, ensuring all remediation progress is tracked and documented. ...

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). ...

Advanced knowledge of virtualization technologies. Active Directory and Domain management: Advanced skills in managing and configuring AD and domain environments. Network Routers, Switches, Firewall: Hands-on experience with network hardware and security. MDM platforms: Experience with Intune or Manage Engine. Project Management: Proven ability to manage IT projects, including upgrades ...

ensuring robust protection across on-premises, cloud, and hybrid environments. Design, document, and govern secure network segmentation strategies, including Zero Trust models, next-generation firewall frameworks, and secure connectivity solutions such as Direct Connect, and Transit Gateway currently delivered by ZScaler Develop and maintain a comprehensive 12–24 month technology ...

ensuring robust protection across on-premises, cloud, and hybrid environments. Design, document, and govern secure network segmentation strategies, including Zero Trust models, next-generation firewall frameworks, and secure connectivity solutions such as Direct Connect, and Transit Gateway currently delivered by ZScaler Develop and maintain a comprehensive 1224 month technology roadmap ...

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). F5 BIG-IP platforms (LTM, GTM, APM, ASM/Cloud WAF). Strong ...

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 ...

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 ...

What You Will Be Doing Supporting clients in a busy MSP/service desk environment Troubleshooting networking fundamentals including VLANs, switching, routing, and wireless Firewall administration and policy management Windows Server administration and infrastructure support Active Directory and Entra ID management Microsoft 365 administration across multiple tenants Managing devices using ...

high-quality managed services. You will work across a diverse customer base, supporting modern enterprise networking technologies including Juniper Mist, Aruba, Cisco , and leading firewall platforms, while contributing to service excellence and continuous improvement within a 24x7 managed services environment. Key Responsibilities Provide 2nd/3rd line Network support ...

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 ...

work independently while maintaining a logical and methodical approach. Demonstrates initiative and acts with integrity and enthusiasm. Desirable: Experience with Sophos Endpoint Protection, XG Firewall, Mobile Control, Arcserve Backup & UDP, Oracle Databases, Client to Site VPNs, Microsoft Remote Desktop Services, Citrix Virtual Apps and Desktops, Mimecast. Experience working ...

Have (but not required): Linux certifications (e.g. Linux Essentials, RHCSA, similar) Exposure to: Virtualisation (VMware, KVM) Containers (Docker, Kubernetes) Cloud platforms (AWS, Azure) Basic firewall or network troubleshooting knowledge Personal labs or self-learning projects Career Progression This is a long-term development role . Over 3–5 years ...

network engineering: Routing & switching (Cisco, Aruba, Juniper, etc.)Firewalls and network security principlesSD-WAN experience beneficial Practical knowledge of Azure networking (VNets, NSGs, Azure Firewall, routing, Private Link).Experience in hybrid/cloud networking in large global environments. Soft Skills & Profile Hands-on, delivery-focused engineer (not pure architect/ ...

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 Networking & Gateway Technologies Citrix NetScaler Wireshark Understanding of Gateway appliances and associated software Knowledge of secure ...

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 ...

stretches globally. Duties will include: - Assisting architects with implementations - Driving enhancements to networks - Modernising infrastructure - Level 3 network technical support - Routing/Switching/Firewall implementations - Integration of switches, routers, wireless controllers, SDN, F5 load balancers, NAC servers and cloud infrastructure - On call rotation support - Network security To be considered ...

computer systems including: RHEL/Red Hat Linux Servers MySQL, MSSQL and Postgres databases. iSCSI SAN Technologies. Xenserver Clustered virtualized environment. Experience in firewall configuration and management. Solid experience in network configuration and management. System monitoring. Monitor, troubleshoot, and optimize network performance, ensuring high availability and minimal downtime. Microsoft ...

computer systems including: RHEL/Red Hat Linux Servers MySQL, MSSQL and Postgres databases. iSCSI SAN Technologies. Xenserver Clustered virtualized environment. Experience in firewall configuration and management. Solid experience in network configuration and management. System monitoring. Monitor, troubleshoot, and optimize network performance, ensuring high availability and minimal downtime. Microsoft ...

networking/firewalling Manage VMware Horizon VDI user setup, profiles and gold image upgrades Troubleshoot VDI, server, storage and network-related issues Configure routing, firewall rules and security policies for VMs Provide technical support for infrastructure and business applications Apply automation and scripting (Ansible, scripts) where appropriate Manage firmware, software ...

communication and problem-solving skills Ability to prioritise workloads and work to SLAs Experience with ticketing systems (e.g. ServiceNow) is beneficial Desirable Knowledge of firewall platforms Exposure to monitoring tools Industry certifications such as CompTIA Network+ or working towards CCNA What’s on Offer Structured support environment with training ...