1 to 25 of 221 Permanent Firewall Jobs in the South East

/Hybrid including Defender, Intune and security policies * Server Virtualisation (Hyper-V/VMware) * Cloud services including Azure and AWS * LAN/VLAN/WAN (routers, switches, Wi-Fi, firewall) * Communications (VOIP, Leased Lines) * Dell/HP Server Hardware * Storage infrastructures SAN, NAS, DAS * Backup and DR technologies (experience of Veeam and Datto) * SharePoint management and support * IT Security including More ❯

/Hybrid including Defender, Intune and security policies * Server Virtualisation (Hyper-V/VMware) * Cloud services including Azure and AWS * LAN/VLAN/WAN (routers, switches, Wi-Fi, firewall) * Communications (VOIP, Leased Lines) * Dell/HP Server Hardware * Storage infrastructures SAN, NAS, DAS * Backup and DR technologies (experience of Veeam and Datto) * SharePoint management and support * IT Security including More ❯

InTune Microsoft Azure IaaS Technologies Microsoft Azure Virtual Desktop Multi-Factor Authentication and Conditional Access Setup and Configuration for Office 365 and Related Technologies Backup Technologies (Veeam and Datto) Firewall Technologies (Sophos UTM/XG, Sonicwall, Cisco Meraki & Watchguard) Detailed Knowledge of Switching and Routing, Including VLANs and Networking Technologies (TCP/IP, VPN, DHCP, DNS, SSL) (Aruba, Cisco, UniFi More ❯

administration. Strong knowledge and understanding of 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). Storage technologies (NAS, NetApps More ❯

administration. Strong knowledge and understanding of 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). Storage technologies (NAS, NetApps More ❯

vacancy only. KEY SKILLS - IT Support, Service Desk, Team Leader, Windows 10/11, Microsoft 365, Intune, Active Directory, Azure AD, Okta, Networking, TCP/IP, DNS, DHCP, VPN, Firewall, ITIL, SLA Management, Helpdesk, Infrastructure, CompTIA. More ❯

and administration, including topology, Azure networking, services, and component knowledge, • Microsoft AD (Entra), Server and SQL experience, • O365 administration and design • Global Software Patching and estate management via Intune • Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience • Software Defined Networking (Cisco, Meraki, Versa) Key Skills • Microsoft 365 & Azure: Strong experience managing Microsoft More ❯

IT budgeting, vendor management and continuous service improvement initiatives * Provide high-level technical oversight and guidance in areas including: Azure infrastructure management, network protocols (TCP/IP, DHCP, DNS), firewall operations (preferably FortiGate), WAN/LAN/VPN connectivity, Microsoft and Windows Server environments Requirements * Proven experience in infrastructure/IT operations management within a multi-site environment * Demonstrable experience More ❯

for the Service Desk Team * Set up and configure Local Area Networks (LANs), including hardware deployment and support * Coordinate with third-party MSPs for network and infrastructure management * Manage firewall operations and connectivity with ISPs * Oversee network IP addressing and VPN setups * Support business continuity through proactive incident management * Rapid deployment of site connectivity solutions, including 4G routers * Monitor network More ❯

2012+ and Windows 10/11 o Active Directory and Group Policy o Hyper-V virtualisation Microsoft 365 tenant and SharePoint Online administration Network infrastructure (DNS, DHCP, routing, switching) Firewall configuration (Meraki/Draytek/Sophos) MS Teams and cloud-based managed services. PowerShell scripting and automation, VoIP technologies, Apple macOS and iOS support Does this sound like your next More ❯

Linux operating systems to conduct host-based forensics and analysis Knowledge of cloud platforms such as AWS and Azure Experience with many different types of log sources such as firewall, web and database to identify anomalous activity Understand network communications and protocols Knowledge of SIEM, EDR and other core cyber toolsets Strong problem-solving skills as applied to technical solutions More ❯

Linux operating systems to conduct host-based forensics and analysis Knowledge of cloud platforms such as AWS and Azure Experience with many different types of log sources such as firewall, web and database to identify anomalous activity Understand network communications and protocols Knowledge of SIEM, EDR and other core cyber toolsets Strong problem-solving skills as applied to technical solutions More ❯

with Azure Active Directory (Azure AD) . Cloud Networking & Security: Design and implement a secure Azure networking topology, including Virtual Networks (VNet) , subnets , Network Security Groups (NSGs) , and Azure Firewall . Establish and manage secure site-to-site and client-to-site VPN connections, with a focus on integrating Okta RADIUS for secure VPN access. Data & File Services Migration: Develop More ❯

with Azure Active Directory (Azure AD) . Cloud Networking & Security: Design and implement a secure Azure networking topology, including Virtual Networks (VNet) , subnets , Network Security Groups (NSGs) , and Azure Firewall . Establish and manage secure site-to-site and client-to-site VPN connections, with a focus on integrating Okta RADIUS for secure VPN access. Data & File Services Migration: Develop More ❯

equipment in a datacentre environment, specifically Cisco Nexus switches, Cisco ASA firewalls, F5 LTM and DNS load balancers. Strong network design and management skills and experience, including setting up firewall rules, dynamic routing, load balancing, intrusion detection and prevention, setting up remote access and site-to-site VPNs. Strong practical experience of following ITIL processes in a 24x7 operations environment More ❯

reactive incident response functions including but not limited to - host-based analysis functions through investigating Windows, Linux, and Mac OS X systems to identify Indicators of Compromise (IOCs) Examine firewall, web, database, and other log sources to identify evidence of malicious activity Investigate data breaches leveraging forensics tools including Encase, FTK, X-Ways, SIFT, Splunk, and custom Crypsis investigation tools More ❯

reactive incident response functions including but not limited to - host-based analysis functions through investigating Windows, Linux, and Mac OS X systems to identify Indicators of Compromise (IOCs) Examine firewall, web, database, and other log sources to identify evidence of malicious activity Investigate data breaches leveraging forensics tools including Encase, FTK, X-Ways, SIFT, Splunk, and custom Crypsis investigation tools More ❯

Office Moves and Changes Design, implement, and manage complex network infrastructure using Cisco Campus Networking 9300 series and Cisco Nexus switches. Configure, deploy, and maintain Palo Alto Prisma Access firewall policies to ensure secure access to critical applications and data. Implement and manage Velo Cloud SD-WAN solutions to optimise network performance and ensure reliable connectivity across multiple locations. Skills More ❯

and enforce network security policies and procedures to safeguard the integrity and confidentiality of organizational data. Ensure compliance with industry standards, including NIST, PCI-DSS, and GDPR, by enforcing firewall, VPN, and other security measures. Collaboration and Leadership Work closely with cross-functional teams, including cybersecurity, cloud architects, systems engineers, and external vendors to optimize network operations. Mentor junior network More ❯

providing advanced troubleshooting. Strong knowledge of Linux and Windows systems, and experience with FreeSwitch. Experience with AWS infrastructure and cloud services. Deep understanding of SIP, VoIP, VoLTE, STUN, and firewall bridging. Proficiency in Node.js application support and server diagnostics. Hands-on experience using tools for SIP analysis, such as Wireshark, SIP Traces, or packet analysers. Excellent problem-solving and communication More ❯

resources and minimise downtime. Configure Layer 2 and 3 network switches, firewalls, and IP networks for adopted assets. Develop and maintain digital monitoring systems and cloud-based configurations (VPN, firewall, network monitoring). Oversee large-scale VPN network performance and connectivity. Conduct GSM/LTE surveys, configuration, and failover testing. Supervise on-site contractors and ensure safe, compliant delivery of More ❯

various detective and preventative Cyber Security tools such as Security Information Event Monitoring (SIEM), End Point Protection (EPP), End Point Detection and Response (EDR), XDR (Extended DR), Web Application Firewall (WAF), and Firewalls. Proactively detect suspicious activity, vulnerabilities, and security misconfigurations before they can be exploited by adversaries impacting Confidentiality, Integrity and Availability which could lead to a Cyber Security More ❯

for HLD/LLD components for specific key areas of the solution: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN and LAN, Endace, NTP, Data Centre Firewall and LAN. Ensure designs produced are fit for purpose and are capable of going through review and governance. Provide input into reports, when required, to the customer and Programme. Skills More ❯

WLAN networks * Strong knowledge of Windows Server, Hyper-V, Active Directory, DNS, DHCP, and Group Policy * Experience with backup and recovery systems in virtualised environments (e.g. Veeam) * Skilled in firewall and web filter configuration and network authentication (e.g. Radius) * Ability to produce detailed technical documentation and design proposals * Excellent troubleshooting skills with a methodical, customer-focused approach * Full UK driving More ❯

salary + 10% bonus + excellent benefits package. What You'll Bring 8+ years' experience operating enterprise or data centre networks at scale. Strong background in routing, switching, and firewall technologies. Confident leading major incidents and communicating with stakeholders. CCNP/CCIE certified or working toward it (training fully supported). Nice to have: experience with Zero Trust , SDN , or More ❯