the following: Designing and deploying network services in line with design and security policies. Monitoring and administering the installation and integration of corporate network communications, including routers, switches, firewalls, DMZ, servers, telephony and LAN/WAN communication services. Managing the IP space across the organisation ensuring VLANs, IP Subnet, DNS, DHCP, VPNs, and VoIP traffic is well designed, secure and More ❯
Exeter, Devon, South West, United Kingdom Hybrid / WFH Options
Bowerford Associates
the following: Designing and deploying network services in line with design and security policies. Monitoring and administering the installation and integration of corporate network communications, including routers, switches, firewalls, DMZ, servers, telephony and LAN/WAN communication services. Managing the IP space across the organisation ensuring VLANs, IP Subnet, DNS, DHCP, VPNs, and VoIP traffic is well designed, secure and More ❯
Portishead, Somerset, United Kingdom Hybrid / WFH Options
Computerworld Personnel Ltd
they function consistently, both internally and externally. Responsibilities: Design and deploy company's network services securely. Monitoring and administration of installations, integration of network communications including routers, switches, firewalls, DMZ, servers, telephony, LAN/WAN. Manage IP subnet, VLANs, DNS, DHCP, VPNs, VoIP traffic. Protect network security. Ensure failure protocols are in place. Stakeholder communication. Ensure connectivity is balanced and More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Computerworld Personnel Ltd
they function consistently, both internally and externally. Responsibilities: Design and deploy company's network services securely. Monitoring and administration of installations, integration of network communications including routers, switches, firewalls, DMZ, servers, telephony, LAN/WAN. Manage IP subnet, VLANs, DNS, DHCP, VPNs, VoIP traffic. Protect network security. Ensure failure protocols are in place. Stakeholder communication. Ensure connectivity is balanced and More ❯
Cheltenham, Gloucestershire, United Kingdom Hybrid / WFH Options
Computerworld Personnel Ltd
they function consistently, both internally and externally. Responsibilities: Design and deploy company's network services securely. Monitoring and administration of installations, integration of network communications including routers, switches, firewalls, DMZ, servers, telephony, LAN/WAN. Manage IP subnet, VLANs, DNS, DHCP, VPNs, VoIP traffic. Protect network security. Ensure failure protocols are in place. Stakeholder communication. Ensure connectivity is balanced and More ❯
Bristol, England, United Kingdom Hybrid / WFH Options
Computerworld Personnel Ltd
they function consistently, both internally and externally. Responsibilities: Design and deploy company's network services securely. Monitoring and administration of installations, integration of network communications including routers, switches, firewalls, DMZ, servers, telephony, LAN/WAN. Manage IP subnet, VLANs, DNS, DHCP, VPNs, VoIP traffic. Protect network security. Ensure failure protocols are in place. Stakeholder communication. Ensure connectivity is balanced and More ❯
are connected via a separate VRF on the WAN and the webhosting environment features three tiered stacks (Cisco ASA, CheckPoint, Cisco ASA). Throughout this architecture, there are many DMZ’s so there should be a thorough understanding of all these technologies. The engineer will also need to have a good knowledge of the tools used within the network, such More ❯
are connected via a separate VRF on the WAN and the webhosting environment features three tiered stacks (Cisco ASA, CheckPoint, Cisco ASA). Throughout this architecture, there are many DMZ’s so there should be a thorough understanding of all these technologies. The engineer will also need to have a good knowledge of the tools used within the network, such More ❯
London, England, United Kingdom Hybrid / WFH Options
Atlas Technica
XenApp Support of Sophos or similar product for endpoint threat management Understanding of virtualization platforms such as VMware or Hyper-V Understanding of networking: TCP/IP, LAN/DMZ/WAN, DHCP, DNS, Routing, Switching and Firewalls Exposure to/ability to support workloads in Azure Implementation and Support of Enterprise networking equipment: Palo Alto/Cisco Firewalls, Cisco More ❯
London, England, United Kingdom Hybrid / WFH Options
Techfellow Limited
team to address threats and vulnerabilities Implement and manage firewall policies, coordinating with various stakeholders Analyse network traffic and audit logs for issue resolution Partner with Network Engineering for DMZ designs and deployments, with a special focus on F5 and load balancing solutions Enhance team performance through supporting tasks and fostering continuous improvement What You Bring... 4+ years of expertise … a strong emphasis on F5 and load balancing technologies Comprehensive understanding of network security concepts, systems, and related technologies (e.g., TCP, ARP, BGP, OSPF, DHCP, DNS) Proficiency in designing DMZ networks Knowledge of Cryptography and its practical applications Commitment to automating workflows for efficiency gains Programming skills in languages like Python, Ansible, and Golang A flexible, dependable team player, thriving More ❯
and deploy the Companys network services in line with Group design and security policies. Monitor and administer the installation and integration of corporate network communications, including routers, switches, firewalls, DMZ, servers, telephony and LAN/WAN communication services. Manage the IP space across the organisation ensuring VLANs, IP Subnet, DNS, DHCP, VPNs, and VoIP traffic is well designed, secure and More ❯
About the Role: We are seeking a skilled Network Security Engineer to join our team in Middlesex. You will play a critical role in identifying, prioritizing, and remediating vulnerabilities across hybrid network environments—spanning on-premises, cloud, and SD-WAN More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
team to address threats and vulnerabilities Implement and manage firewall policies, coordinating with various stakeholders Analyse network traffic and audit logs for issue resolution Partner with Network Engineering for DMZ designs and deployments, with a special focus on F5 and load balancing solutions Enhance team performance through supporting tasks and fostering continuous improvement What You Bring... 4+ years of expertise … a strong emphasis on F5 and load balancing technologies Comprehensive understanding of network security concepts, systems, and related technologies (e.g., TCP, ARP, BGP, OSPF, DHCP, DNS) Proficiency in designing DMZ networks Knowledge of Cryptography and its practical applications Commitment to automating workflows for efficiency gains Programming skills in languages like Python, Ansible, and Golang A flexible, dependable team player, thriving More ❯
firewalls, routers, and switches based on CIS Benchmarks , NIST standards , and industry best practices. Configure and maintain robust network security controls such as: ACLs (Access Control Lists) VLAN segmentation DMZ configurations Micro-segmentation for zero trust environments Secure and limit access to network management interfaces by applying least-privilege principles . Design and enforce segmentation and egress control within hybrid More ❯
Role- Network Security Engineer Location- Middlesex, UK (Hybrid- 4 days/Week) Employment type- Contract "Seeking a Network Security Engineer with expertise in identifying, prioritizing, and remediating network vulnerabilities, including zero-day threats. Role requires a strong security mindset and More ❯
Position - Network Security Engineer Location - Heathrow, UK (4 days from office weekly) Contract - 6+ Months 400GBP/day Inside IR35 Job description "Seeking a Network Security Engineer with expertise in identifying, prioritizing, and remediating network vulnerabilities, including zero-day threats. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Insight International (UK) Ltd
Role- Network Security Engineer Location- Middlesex, UK (Hybrid- 4 days/Week) Employment type- Contract "Seeking a Network Security Engineer with expertise in identifying, prioritizing, and remediating network vulnerabilities, including zero-day threats. Role requires a strong security mindset and More ❯
Network Security Engineer Middlesex, UK (4 days from office weekly) "Seeking a Network Security Engineer with expertise in identifying, prioritizing, and remediating network vulnerabilities, including zero-day threats. Role requires a strong security mindset and hands-on experience in securing More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Gazelle Global
Network Security Engineer Location: Middlesex, Greater London - Hybrid We're hiring a Network Security Engineer to help secure hybrid environments across on-prem, cloud, and SD-WAN. This role requires hands-on experience with vulnerability remediation, network hardening, and secure More ❯
technology (OT) and industrial control systems (ICS), including common architectures, protocols, and associated security challenges. Familiarity with security practices in SCADA environments and industrial networks, including secure remote access, DMZ configurations, and asset visibility solutions. Experience with regulatory engagement, audits, and providing evidence to demonstrate compliance with frameworks. Exposure to IT/OT convergence challenges and experience implementing or advising More ❯
Main Aspects of the role: -Work within Infrastructure team in supporting and delivering all aspect of BAU and support services -Design, build and implement firewall solutions from perimeter to DMZ roles -Support IPS deployment for Europeanbranches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
KX
CISSP, CompTIA Security+, or CEH are desirable. Hands-on experience with security tools for Windows, Linux, and Mac environments. Strong understanding of network protocols and technologies (e.g. VPN, TLS, DMZ). Practical knowledge of cloud security across AWS, Azure, or GCP (e.g. CloudTrail, Sentinel). Experience with endpoint protection, DLP, IDS/IPS, MFA, and content filtering. Familiarity with SIEM More ❯
usage) Qualifications Must have knowledge of network protocols (TCP/IP, UDP, ICMP), standard protocols (HTTP/S, DNS, SSH, SMTP, SMB), wireless networking, networking infrastructure, and network topologies (DMZ, VPN, WAN) and network technologies (WAF, IPS, Routers, Firewalls) Experience with commercial & opensource SIEMs, full packet capture tools, and network analysis tools (Splunk, Wireshark, SOF-ELK) Have a demonstrated knowledge More ❯
to support a wide variety of business applications: Cloud VPNs, Global Wide Area Network, High Speed Core Network, Data Center fabric, Remote/Campus/Offshore offices, Internet/DMZ, Business to Business connections. Maintain quality and reliability of our network service availability while developing innovative ways to manage the infrastructure and deliver network services with infrastructure as code principles. More ❯
Load Balancers to given standards Knowledge and experience of working with VMware Next Gen Load Balancer (AVI Networks) Knowledge and experience of working with and creating automation scripts Strong DMZ architecture and engineering Experience In-depth knowledge of network protocols, security principles, and best practices. Working knowledge of DNS and IP Address Management Network security and compliance Experience in troubleshooting More ❯