Network Security Infrastructure Engineer, Network Traffic Management

Added 28/09/2026

We are seeking a Network Security Infrastructure Engineer specialising in Network Traffic Management to design, implement and maintain secure, resilient and high-performing network services. The role will focus on the infrastructure that controls, inspects and routes traffic across enterprise, data centre, cloud and remote-access environments. You will work closely with network, security, infrastructure and application teams to ensure that services are protected, available and aligned with operational and security requirements. Key responsibilities include administering and improving firewalls, load balancers, web application firewalls, proxy platforms, intrusion prevention technologies and related traffic-management services. You will develop and maintain security policies, access rules,...

Network Security Engineer

Added 21/10/2026

We are seeking an experienced Network Security Engineer to help protect critical systems, infrastructure and data across a complex technology environment. This is an opportunity to join a collaborative security function where you will play a key role in strengthening network resilience, identifying emerging threats and supporting the secure delivery of business services. In this role, you will design, implement and maintain secure network architectures, including firewalls, intrusion prevention systems, virtual private networks, secure gateways and network access controls. You will monitor network activity, investigate alerts and potential incidents, and work with wider technology teams to contain threats and restore...

Cyber Network Security Engineer

Added 20/10/2026

We are seeking a Cyber Network Security Engineer to design, implement and maintain secure, resilient network infrastructure across a complex technology environment. You will play a key role in protecting systems, applications and data from cyber threats, while ensuring that network services remain reliable, scalable and aligned with business needs. This role will suit an experienced security professional who can combine strong technical expertise with a practical, risk-based approach. Your responsibilities will include configuring and managing firewalls, intrusion prevention and detection systems, secure gateways, VPNs and network access controls. You will monitor network traffic and security alerts, investigate incidents, identify...

NOC ENGINEER T1 - T2 - Network & Security

Added 16/10/2026

We are seeking a NOC Engineer to provide first- and second-line operational support across network and security services. Working within a 24/7 network operations environment, you will monitor infrastructure, identify incidents and performance issues, and take appropriate action to maintain service availability, resilience and security. You will be responsible for responding to alerts, investigating faults, escalating complex issues and keeping stakeholders informed throughout the incident lifecycle. Your duties will include monitoring network devices, connectivity, firewalls, VPNs, servers and associated security technologies; troubleshooting routing, switching, wireless and access-related issues; and carrying out approved configuration changes in line with documented procedures. You...

Senior Network Security Infrastructure Engineer

Added 16/10/2026

We are seeking a Senior Network Security Infrastructure Engineer to design, implement and maintain secure, resilient network infrastructure across a complex technology environment. You will provide technical leadership for network security initiatives, ensuring that systems, services and connectivity remain protected, available and aligned with current security standards. The role will involve working closely with infrastructure, cloud, application and security teams to develop practical solutions that support business requirements while reducing operational and cyber risk. Your responsibilities will include designing and reviewing network security architecture; managing firewalls, secure web gateways, VPNs, intrusion prevention systems and related security controls; and maintaining secure...

Network and Security Engineer - NI Applicants Only

Added 13/10/2026

An experienced Network and Security Engineer is required to support the design, implementation and ongoing management of secure, resilient network infrastructure. The successful candidate will work across a varied technical environment, helping to maintain high levels of availability, performance and security across networks, systems and connectivity services. This role is open to applicants based in Northern Ireland. Key responsibilities will include configuring, monitoring and troubleshooting LAN, WAN, wireless and firewall technologies; managing VPNs, switches, routers and network security appliances; and supporting cloud connectivity and remote access solutions. You will investigate incidents, identify root causes and implement effective resolutions, while contributing...

Network and Security Sysops Engineer

Added 12/10/2026

We are seeking a Network and Security SysOps Engineer to support the availability, performance, and security of a complex IT infrastructure. This role is responsible for operating and improving network and security services across on-premises and cloud environments, ensuring systems remain resilient, compliant, and responsive to business needs. You will work closely with infrastructure, development, service desk, and risk teams to investigate incidents, implement improvements, and maintain reliable technology services. Key responsibilities include monitoring and maintaining firewalls, switches, routers, VPNs, wireless networks, load balancers, and network management platforms. You will administer security controls such as intrusion prevention, endpoint protection, identity...

Network Security Engineer

Added 09/10/2026

We are seeking a Network Security Engineer to design, implement, and maintain secure, resilient network infrastructure across a complex technology environment. The successful candidate will help protect critical systems, applications, and data by monitoring network activity, identifying vulnerabilities, and responding to security incidents. This role will work closely with infrastructure, cloud, systems, and compliance teams to ensure that security controls are effective, appropriately documented, and aligned with business and regulatory requirements. Key responsibilities include configuring and managing firewalls, intrusion prevention and detection systems, secure gateways, VPNs, network access controls, and other security technologies. You will investigate alerts and suspected threats,...

Network Security Engineer

Added 07/10/2026

We are seeking a skilled Network Security Engineer to help protect critical systems, infrastructure, and data across a complex technology environment. In this role, you will design, implement, monitor, and continuously improve network security controls that support secure and reliable business operations. You will work closely with infrastructure, cloud, systems, and application teams to identify risks, strengthen security architecture, and respond effectively to emerging threats. Your responsibilities will include configuring and maintaining firewalls, intrusion prevention and detection systems, secure web gateways, VPNs, network access controls, and other security technologies. You will investigate security alerts, analyse network traffic and logs, support...

Senior Cyber Security Network Engineer

Added 28/09/2026

We are seeking a Senior Cyber Security Network Engineer to design, implement and maintain secure, resilient network infrastructure across complex enterprise environments. This role will lead the delivery of network security capabilities, protect critical systems and data, and provide expert guidance on emerging threats, vulnerabilities and defensive technologies. You will work closely with infrastructure, cloud, operations and risk teams to ensure security is embedded across network architecture, projects and day-to-day services. Key responsibilities include developing and maintaining secure network designs, firewalls, intrusion prevention systems, secure web gateways, VPNs, network access controls and segmentation solutions. You will monitor and investigate security...

OT Network & Security Engineer

Added 28/09/2026

We are seeking an experienced OT Network & Security Engineer to support the design, operation and continuous improvement of secure operational technology environments. In this role, you will help protect industrial control systems, manufacturing networks and critical infrastructure from cyber threats while maintaining the availability, safety and performance of essential operations. You will work closely with engineering, infrastructure, automation, operations and cybersecurity teams to ensure that OT systems are resilient, well monitored and aligned with recognised security standards. Your responsibilities will include designing and maintaining secure OT network architectures, including segmentation, firewalls, secure remote access, industrial switches, wireless infrastructure and...

Lead Infrastructure Engineer - Proxy/SSE Network Security

Added 25/09/2026

We are seeking a Lead Infrastructure Engineer specialising in proxy and Security Service Edge (SSE) technologies to design, implement and lead the operation of secure, resilient network security services. You will provide technical direction across proxy, secure web gateway, cloud access security broker, zero trust network access and related SSE capabilities, ensuring that internet and private application access is protected, performant and aligned with business requirements. The role will involve developing target architectures, setting engineering standards and guiding the transition from traditional perimeter controls to modern, cloud-delivered security services. You will lead the delivery of complex infrastructure and security initiatives,...

Senior 3rd Line Network and Security Engineer

Added 18/09/2026

We are seeking a Senior 3rd Line Network and Security Engineer to provide expert-level support, administration and continuous improvement across complex network and security infrastructure. You will act as an escalation point for challenging technical issues, taking ownership from initial investigation through to resolution while maintaining clear communication with colleagues, stakeholders and service users. The role will involve working across a varied technology environment and contributing to the reliability, performance and security of critical services. Key responsibilities will include designing, implementing and supporting LAN, WAN, wireless, VPN and firewall solutions; monitoring network performance and security events; investigating incidents, vulnerabilities and...

Junior Network Security Support Engineer

Added 17/09/2026

We are seeking a Junior Network Security Support Engineer to assist with the operation, maintenance and protection of network infrastructure across a dynamic technical environment. This is an excellent opportunity for an early-career professional who is keen to develop practical experience in network security, monitoring and incident response while working alongside experienced infrastructure and cybersecurity specialists. Key responsibilities will include monitoring network traffic, security alerts and system events; investigating and escalating suspicious activity; supporting the administration of firewalls, intrusion detection and prevention systems, secure gateways and access controls; and assisting with vulnerability assessments, patching and remediation activities. You will help...

Senior Cloud Network & Security Engineer , Vice President

Added 17/09/2026

We are seeking a Senior Cloud Network & Security Engineer at Vice President level to lead the design, engineering and continuous improvement of secure, resilient cloud connectivity across a complex technology environment. This role will provide technical direction for cloud network architecture, security controls and infrastructure standards, while partnering with engineering, architecture, operations and risk teams to deliver scalable platforms that support critical business services. Key responsibilities include designing and implementing secure network solutions across public and private cloud environments; developing connectivity patterns using virtual networks, transit gateways, routing, firewalls, VPNs, private endpoints and load-balancing technologies; and establishing robust controls...