UK Cyber Security

Added 02/10/2026

We are seeking a skilled Cyber Security professional to help protect critical systems, data and services across a UK-based environment. This role will contribute to the development and delivery of effective security operations, ensuring risks are identified, assessed and managed in line with business priorities and relevant regulatory requirements. You will work closely with technology, risk, compliance and operational teams to promote secure practices and strengthen the organisation’s overall security posture. Key responsibilities will include monitoring and investigating security alerts, supporting incident response activities, and coordinating the containment, analysis and resolution of cyber security incidents. You will assist with vulnerability...

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,...

Infrastructure & Network Security Specialist

Added 13/10/2026

We are seeking an experienced Infrastructure & Network Security Specialist to help protect, maintain, and improve a complex technology environment. In this role, you will contribute to the design, implementation, and ongoing management of secure infrastructure and network services across on-premises and cloud platforms. You will work closely with technology, engineering, and business teams to identify risks, strengthen controls, and ensure systems remain resilient, available, and compliant with relevant policies and standards. Your responsibilities will include configuring and administering firewalls, intrusion prevention systems, secure remote-access solutions, network segmentation, vulnerability management tools, and security monitoring platforms. You will investigate security events,...

3rd Line Network & Security Specialist - 24x7 Shift

Added 02/10/2026

We are seeking an experienced 3rd Line Network & Security Specialist to join a 24x7 operational support environment. This role is responsible for maintaining the availability, performance and security of complex network infrastructure, while providing expert-level technical support for escalated incidents and service requests. You will work as part of a shift-based team, responding to critical events, reducing service disruption and ensuring that issues are resolved efficiently and professionally. Key responsibilities will include monitoring and troubleshooting LAN, WAN, data centre and cloud connectivity, as well as supporting firewalls, VPNs, routing, switching, load balancers and other network security technologies. You will...

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...

Managed Service Lead (Network Security) - on-site Hampshire

Added 13/10/2026

We are seeking an experienced Managed Service Lead to oversee the delivery, performance and continuous improvement of network security services for a complex operational environment in Hampshire. This is an on-site role requiring strong technical understanding, service management capability and the confidence to work with stakeholders at all levels. You will take ownership of service outcomes, ensuring secure, resilient and responsive network protection across the organisation. Your responsibilities will include leading day-to-day managed service operations, coordinating internal teams and third-party suppliers, and ensuring that agreed service levels, performance targets and customer expectations are consistently met. You will manage incidents, problems,...

Network & Security Architecture (NSA)

Added 12/10/2026

We are seeking an experienced Network & Security Architecture (NSA) professional to design, develop and govern secure, resilient technology architectures across complex infrastructure and digital environments. The successful candidate will translate business and technology requirements into practical network and security solutions, ensuring that confidentiality, integrity, availability and regulatory obligations are built into every stage of the architecture lifecycle. Key responsibilities will include defining target-state network and security architectures; developing principles, standards, reference models and technical roadmaps; and assessing existing environments to identify risks, vulnerabilities and opportunities for improvement. You will provide architectural direction across areas such as enterprise networking, cloud...

Network & Security Architecture (NSA)

Added 12/10/2026

We are seeking an experienced Network & Security Architecture (NSA) professional to design, develop and oversee secure, resilient and scalable network infrastructure across a complex technology environment. The successful candidate will translate business and technical requirements into practical architecture, ensuring that connectivity, cloud adoption, identity, access control and security capabilities are aligned with organisational objectives and industry best practice. Key responsibilities will include defining target-state network and security architectures; developing reference designs, standards and technology roadmaps; and providing architectural guidance for data centre, cloud, campus, remote-access and wide-area networking solutions. You will assess emerging technologies, evaluate proposed designs, identify security...

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,...

Security Consultant (Network & Change Assurance) - Contract

Added 09/10/2026

We are seeking an experienced Security Consultant to support network security and change assurance activities within a complex technology environment. This contract role will provide independent oversight of security-related changes, helping to ensure that proposed modifications to network infrastructure, systems and services are appropriately assessed, documented, tested and implemented in line with agreed security standards and risk controls. You will review change requests, technical designs and implementation plans to identify security implications, dependencies and potential operational risks. Working closely with infrastructure, network, cyber security, architecture and service management teams, you will challenge assumptions, recommend appropriate controls and confirm that security...

Network Security Researcher

Added 09/10/2026

We are seeking a Network Security Researcher to investigate emerging threats, assess vulnerabilities, and develop practical solutions that strengthen the security of complex networked environments. You will monitor the evolving threat landscape, analyse attack techniques, and translate research findings into actionable recommendations for defensive operations, engineering teams, and technical stakeholders. The role involves balancing independent research with collaborative delivery in a fast-moving environment where curiosity, sound judgement, and clear communication are highly valued. Your responsibilities will include researching network protocols, intrusion methods, malware behaviour, and novel exploitation techniques; designing and conducting security experiments in controlled environments; and developing proof-of-concept tools,...

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...