1 to 25 of 220 Firewall Jobs in the South East

Cyber Essentials, NIST, ISO 27001. An understanding of network security and compliance in regulated environments. Strong networking knowledge (LAN, WAN, DNS, DHCP, VPN, TCP/IP). Proficiency in firewall and load balancer technologies for secure environments. Hands-on experience with virtualization platforms (VMware, Citrix Xen) and backup solutions (Veeam or similar). Experience with monitoring tools (SolarWinds SentryOne, Zabbix More ❯

Alto Networks Certified Network Security Engineer PCNSE Check Point Certified Security Administrator CCSA Check Point Certified Security Expert CCSE Certified Network Security Professional eg CISSP CompTIA Security Mandatory Skills : Firewall - CheckPoint,Firewall - Palo Alto,Firewall - Cisco,Firewall - Fortinet,Network Security - Next Generation Firewalls/NAC/Zero Trust/Segmentation/APT/IPS/IDS,Network Security Randstad Technologies 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 ❯

experience of Windows Server, Active Directory, Exchange Server, VMware software, File Server; Good knowledge on TCP/IP and networking management, and the ability to configure Cisco Switch, Router, Firewall, wireless device; Excellent verbal and written communication skills in Mandarin and English essential; Experience in problem solving and troubleshooting; Proven ability to collaborate effectively with cross-functional teams; A strong More ❯

on information security, cybersecurity and data security, including a wide scope, such as physical security of computer rooms, operating system level security of Windows and Linux, network security of firewall and other security devices, application security both development and testing phrase, terminal security, backup security, third party and supply chain security of IT service provider.Liaison with the Head Office, Security More ❯

What You'll Need Broad technical experience encompassing but not limited to; working with Windows Server, VMWare, Exchange, Office365, SQL, Azure, Active Directory Knowledge of networking (LAN, WAN, VPN, Firewall, DSL Routers), colocation and hybrid environments Diagnostic information gathering and analytical thinking, the ability to understand the architecture of operations and undertake root cause analysis. The ability to undertake research More ❯

experience of Windows Server, Active Directory, Exchange Server, VMware software, File Server; Good knowledge on TCP/IP and networking management, and the ability to configure Cisco Switch, Router, Firewall, wireless device; Excellent verbal and written communication skills in Mandarin and English essential; Experience in problem solving and troubleshooting; Proven ability to collaborate effectively with cross-functional teams; A strong More ❯

What you’ll bring: Experience in managing and maintaining Splunk solution. 3rd/4th line Network Security experience support . in an Enterprise environment working to challenging SLAs. Advanced Firewall and Proxy administration (to include install, configurations and fault finding). Recent experience of working within security environments. Understanding of Networks, Routers, DMZ and Switches. Extensive Core Linux administration skills. More ❯

and security practices (IPSec, SSL-VPN, NAT, GRE) Hands-on experience with cloud infrastructure operations and troubleshooting customer tech stacks. Familiarity with SIEM tools, vulnerability management, malware analysis, and firewall configurations Ability to communicate complex technical solutions to a wide range of audiences, both technical and non-technical Skilled in Python, JSON, YAML, Bash, or other relevant scripting languages More ❯

/routing) Basic Security (Anti-Virus, Firewalls, Email Security) Audio Visual Support (Hybrid Meeting Rooms) Telephone system administration Desirable VMware Administration Advanced Networking (VLANs, ACLs, CLI) Advanced Security (CheckPoint Firewall, Endpoint, Email) Candidates must have excellent communication skills and be eligible to live and work in the UK without any restrictions Please note only candidates with all of the above More ❯

protocols, virtual routing instances, VPNs, and security zones. Experience with network security products including Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS). Proficiency in F5, Cisco Secure Firewall, and Gigamon technology. Demonstrable design experience with global network vendors (e.g., Cisco, Juniper). Network device configuration, troubleshooting, and defect resolution skills. Understanding of project life cycle from requirements gathering More ❯

Maintaining an organization's network security infrastructure solutions like Firewalls, IDPS, Proxy, Load Balancers, VPN, WAF etc., align with the organization's strategies, policies, and standards. Design and manage firewall policies, network access controls, AAA mechanisms, MFA, IAM solutions, RBAC, Privilege Management etc., In-depth understanding of cloud network security, different network architectures (e.g., LAN, WAN, DMZ) and topologies, network More ❯

troubleshooting Flexera agents across AWS and Azure environments. Apply infrastructure-as-code practices (Terraform, PowerShell) to automate deployment and standardise infrastructure operations. Overcome advanced networking challenges (DNS, static routes, firewall rules, security protocols) to enable agent-to-server connectivity. Work across legacy and bespoke environments , ensuring agent deployment succeeds in inconsistent architectures. Contribute to estate-wide architectural planning covering containerised More ❯

deployment with SCCM, MDT, or WDS. Networking: configuration, VLANs, subnetting (HP/Aruba experience advantageous). Knowledge of backup solutions such as VEEAM, Redstor, or NAS devices. Experience with firewall, web-filtering, and wireless solutions (Smoothwall, WatchGuard, Aruba). Familiarity with Sophos suite (AV, security). Previous experience in the education sector is highly desirable. Why Apply? This is a More ❯

Excellent experience with Microsoft technologies Good general knowledge of networking and technologies: TCP/IP stack, concept of VLANs and firewalls, wireless configurations 5+ years of technical helpdesk environment Firewall Implementations –Fortigate/Cisco/SonicWall/Watchguard Backup Solutions – Azure/Veeam Virtualisation – Hyper-V, VMware, AVD, RDS In-depth Knowledge of O365 suite & MFA Able to answer complex More ❯

Excellent experience with Microsoft technologies Good general knowledge of networking and technologies: TCP/IP stack, concept of VLANs and firewalls, wireless configurations 5+ years of technical helpdesk environment Firewall Implementations -Fortigate/Cisco/SonicWall/Watchguard Backup Solutions - Azure/Veeam Virtualisation - Hyper-V, VMware, AVD, RDS In-depth Knowledge of O365 suite & MFA Able to answer complex More ❯

Cisco, Meraki, Aruba, Unifi and WatchGuard. Monitor and maintain LAN, WAN, VPN, and wireless network infrastructure. Configure and manage DNS, DHCP, VLANs, and routing. Support security best practices, including firewall administration, endpoint protection, and compliance. Cloud & Microsoft Services Administer and support Microsoft 365 services (Exchange Online, SharePoint, Teams, OneDrive). Manage Microsoft Intune for device compliance, mobile management, and application … understanding of Windows Server, Active Directory, Group Policy, DNS, DHCP, VPNs, VLANs. Networking knowledge with Cisco, Meraki, Aruba, Unifi, and WatchGuard. Security-focused, with patch management, endpoint security, and firewall skills. Strong troubleshooting and analytical skills. Excellent communication and collaboration skills. Willingness to travel between sites (expenses covered). Desirable Skills Linux (Ubuntu, Debian). PowerShell scripting and automation. SQL More ❯

operations, ideally in a multi-site environment Strong knowledge of Microsoft tech – Entra ID, Intune, Azure, Active Directory, Office 365 Skilled in DNS, VPNs, Citrix, scripting (PowerShell), monitoring, and firewall management Calm and structured under pressure – a safe pair of hands for business-critical systems Proven experience leading incident response and owning service escalations Strong vendor management skills and a More ❯

had some exerperience with containerisation. Required: Windows and/or Linux server management Experience with virtualisation platforms like VMware or Hyper-V PowerShell or other scripting language General networking, firewall, and endpoint security knowledge Some hands-on experience/interest in Docker or Kubernetes Desirable: Familiarity with Azure, AWS, or other cloud platforms CI/CD tools such as Azure More ❯

vacancy only. You're also welcome to connect with me on LinkedIn - just search Will Roebuck . KEYWORDS: NETWORK ENGINEER/INFRASTRUCTURE/WAN/LAN/ROUTING/FIREWALL/DV CLEARED/NETWORK SECURITY/OSPF/BGP/NSX/AUTOMATION/SECURE NETWORKS 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 ❯

and hardware skills Experience of Microsoft Windows Server/Desktop environments Detailed experience with Backup/DRaaS technologies, Azure Active Directory & IaaS Knowledge of networking technologies - TCP/IP, Firewall, Routing/Switching Ability to run, patch and terminate cabling to support installation of new hardware Strong knowledge of InTune & Conditional Access Technologies and security Experience of MSP and or 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 ❯

Desktop OS Active Directory and Group Policy Microsoft 365 administration and SharePoint Online Core networking (DNS, routing, switching) Fibre installation and troubleshooting POS and AV/conferencing system installation Firewall configuration (Meraki/Draytek/Sophos) VoIP systems (preferably Gamma) Apple device support Full UK driving licence and the legal right to work in the UK Flexibility and willingness to More ❯

in Microsoft technologies with the ability to communicate clearly to non-technical stakeholders. Experience collaborating with third-party vendors in large-scale enterprise environments. Integration skills with knowledge of firewall, infrastructure, and external systems, using different integration patterns. Working knowledge of Cisco networking, firewalls, M365/Office 365, SAN storage, Wi-Fi, and related technologies. Proven background as a solutions More ❯