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 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...

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...

Senior Network and Security Engineer

Added 07/09/2026

We are seeking a Senior Network and Security Engineer to design, implement and maintain secure, resilient network infrastructure across a complex and highly available environment. The successful candidate will provide technical leadership across network architecture, cybersecurity controls and operational performance, ensuring services remain reliable, scalable and aligned with business and regulatory requirements. Key responsibilities will include managing enterprise routing, switching, firewalls, VPNs, wireless networks, load balancers and network access controls. You will monitor infrastructure performance, investigate and resolve complex incidents, lead root-cause analysis, and coordinate planned maintenance and change activity. The role will also involve developing and enforcing security policies,...

Senior Network and Security Engineer

Added 07/09/2026

We are seeking a Senior Network and Security Engineer to design, implement and maintain secure, resilient network infrastructure across a complex technology environment. The successful candidate will provide technical leadership across networking, cybersecurity and infrastructure operations, ensuring systems remain reliable, scalable and aligned with business and regulatory requirements. This role will work closely with infrastructure, cloud, service delivery and risk teams to improve security posture and operational performance. Key responsibilities will include managing and optimising LAN, WAN, wireless, VPN, firewall and network security technologies; developing and maintaining network architecture, standards and documentation; and leading the resolution of complex incidents, problems...

Network and Security Engineer

Added 18/08/2026

We are seeking a skilled Network and Security Engineer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining network infrastructure to ensure optimal performance and security. You will conduct regular assessments of network security protocols, identifying vulnerabilities and implementing solutions to mitigate risks. Collaborating with cross-functional teams, you will develop network architecture plans and oversee the installation and configuration of various network devices, including routers, switches, and firewalls. The ideal candidate will have a strong understanding of networking concepts, protocols, and security practices. You will be tasked with monitoring network performance and...

Senior Cyber Data, Protocol and Network Analysis Engineer

Added 13/10/2026

We are seeking a Senior Cyber Data, Protocol and Network Analysis Engineer to lead the analysis of complex cyber data, network activity and communications protocols in support of advanced security operations. You will investigate large and varied datasets, identify anomalous behaviours, uncover indicators of compromise and develop a clear understanding of threats across modern and legacy networks. The role will involve applying deep technical expertise to packet captures, network telemetry, endpoint data, logs and other sources to support detection, investigation and response activities. Key responsibilities will include designing and refining analytical methods for protocol and network traffic analysis; developing scripts,...

Network and Security Enterprise Architect

Added 07/09/2026

We are seeking an experienced Network and Security Enterprise Architect to define and guide the strategic direction of network, cloud, infrastructure, and cybersecurity architecture across a complex enterprise environment. You will develop secure, scalable, and resilient architecture strategies that support business objectives, digital transformation, operational efficiency, and regulatory obligations. Working with senior stakeholders, technology teams, and external partners, you will translate business and technical requirements into practical architecture roadmaps, reference models, standards, and design principles. Your responsibilities will include designing and governing enterprise network and security architectures across data centres, cloud platforms, hybrid environments, and corporate locations. You will assess...

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 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...