Senior / 3rd Line IT Engineer – Infrastructure & Cyber Security – 20290

Added 03/09/2026

We are seeking an experienced Senior / 3rd Line IT Engineer to join a technically skilled infrastructure and cyber security function. This is an opportunity to take ownership of complex technical issues, maintain secure and resilient IT services, and contribute to the continuous improvement of enterprise infrastructure. You will act as a senior escalation point for the service desk and 2nd line teams, providing expert troubleshooting and ensuring incidents are resolved efficiently and with minimal business impact. Your responsibilities will include administering and supporting Microsoft-based technologies, servers, networks, virtualisation platforms, cloud services, backup systems and endpoint environments. You will investigate...

IT Infrastructure & Cyber Security Engineer - 3rd Line, Cloud & AI

Added 25/08/2026

We are seeking an experienced IT Infrastructure & Cyber Security Engineer to provide expert 3rd-line support across a modern, hybrid technology environment. This is a hands-on role for someone who can resolve complex infrastructure issues, strengthen cyber security controls and contribute to the design and delivery of resilient cloud services. You will act as a senior escalation point for technical incidents, ensuring problems are investigated thoroughly, root causes are identified and effective solutions are implemented. Your responsibilities will include administering and supporting Microsoft-based infrastructure, including Windows Server, Active Directory, Group Policy, Microsoft 365, Azure and endpoint management platforms. You will...

Senior / 3rd Line IT Engineer - Infrastructure & Cyber Security

Added 04/09/2026

We are seeking a Senior / 3rd Line IT Engineer specialising in Infrastructure and Cyber Security to join a technically focused team. This is an excellent opportunity for an experienced infrastructure professional to take ownership of complex technical issues, strengthen security controls and contribute to the ongoing development of a resilient, modern IT environment. You will provide advanced support across infrastructure services, acting as an escalation point for 1st and 2nd line teams while delivering a high standard of service to users and stakeholders. Your responsibilities will include diagnosing and resolving complex hardware, software, networking and systems incidents; managing and...

Senior / 3rd Line IT Engineer - Infrastructure & Cyber Security

Added 03/09/2026

We are seeking a Senior / 3rd Line IT Engineer specialising in Infrastructure and Cyber Security to join a technically focused team. This is a hands-on role for an experienced professional who can provide advanced technical support, maintain secure and resilient infrastructure, and lead the resolution of complex incidents and problems. You will work across server, network, cloud and security technologies, contributing to the stability, performance and continual improvement of core IT services. Key responsibilities will include diagnosing and resolving escalated 3rd line incidents, managing Windows Server and virtualised environments, supporting Microsoft 365 and cloud platforms, and administering networking, firewalls,...

2nd/3rd line Cyber Defence Engineer

Added 01/09/2026

We are seeking an experienced 2nd/3rd Line Cyber Defence Engineer to help protect critical systems, services and data from evolving cyber threats. Working as part of a collaborative security function, you will investigate and respond to complex security alerts, incidents and service requests that have been escalated from first-line teams. You will analyse events across endpoints, networks, applications and cloud environments, determine root cause, contain threats and support recovery activities while maintaining clear and accurate incident records. Your responsibilities will include monitoring and tuning SIEM, EDR and other security technologies; conducting threat hunting and forensic investigations; developing detection rules, playbooks...

2nd/3rd line Cyber Defence Engineer

Added 25/08/2026

We are seeking a skilled 2nd/3rd Line Cyber Defence Engineer to strengthen and enhance operational cyber security capabilities. This role is suited to an experienced security professional who can investigate complex incidents, improve defensive controls and provide expert technical support across enterprise environments. You will work as part of a collaborative cyber defence function, helping to protect systems, networks, applications and data against evolving threats. Key responsibilities will include monitoring and analysing security alerts, investigating suspected compromises and leading the containment, eradication and recovery of cyber incidents. You will troubleshoot and resolve escalated security issues, perform detailed log and event...

2nd/3rd line Cyber Defence Engineer

Added 21/08/2026

We are seeking a skilled 2nd/3rd Line Cyber Defence Engineer to join our dynamic team. In this role, you will be responsible for the monitoring, analysis, and response to security incidents, ensuring the protection of our systems and data. You will work closely with various teams to implement security protocols, conduct vulnerability assessments, and develop incident response plans. Your expertise will be crucial in identifying and mitigating potential threats, as well as ensuring compliance with relevant regulations and standards. The ideal candidate will have a strong background in cybersecurity, with proven experience in threat detection and response. You should possess...

2nd/3rd line Cyber Defence Engineer

Added 20/08/2026

We are seeking a skilled 2nd/3rd Line Cyber Defence Engineer to join our dynamic team. In this role, you will be responsible for monitoring, managing, and responding to security incidents to protect against cyber threats. You will work closely with other IT professionals to implement security measures, conduct vulnerability assessments, and ensure compliance with industry standards. Your expertise will be crucial in troubleshooting complex security issues and providing advanced support to internal teams and clients. The ideal candidate will have a solid understanding of security frameworks and technologies, including firewalls, intrusion detection systems, and endpoint protection solutions. You should possess...

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...

3rd Line Security Specialist - 24x7 Shift

Added 03/09/2026

We are seeking an experienced 3rd Line Security Specialist to join a 24x7 operational security team. This role is responsible for providing advanced technical support, incident response and security expertise across a complex technology environment. You will investigate and resolve escalated security events, identify root causes, and help maintain the resilience, availability and effectiveness of security controls. The position operates on a shift basis, including nights, weekends and public holidays, to provide continuous protection and support. Key responsibilities include analysing alerts and events from SIEM, endpoint protection, network monitoring and vulnerability management platforms; leading the investigation, containment and remediation of...

2nd / 3rd Line Security Analyst

Added 04/08/2026

We are seeking a dedicated and skilled 2nd / 3rd Line Security Analyst to join our dynamic team. In this role, you will be responsible for monitoring, detecting, and responding to security incidents, ensuring the integrity and confidentiality of our systems and data. You will manage escalated support requests, conduct thorough investigations into security breaches, and implement improvements to our security posture. Your expertise will be crucial in developing and maintaining security policies and procedures, as well as providing guidance and training to junior analysts. The ideal candidate will have a strong background in security operations, with experience in incident...

Cyber Operations & 3rd Party Security Manager

Added 01/09/2026

We are seeking a Cyber Operations & 3rd Party Security Manager to lead the development, operation and continual improvement of cyber security capabilities across a complex technology and supplier landscape. This role will help protect critical systems, information and services by overseeing security operations, coordinating incident response and ensuring that third-party relationships meet appropriate security standards. You will work closely with technology, risk, compliance, procurement and business stakeholders to embed practical, proportionate and effective security controls. Key responsibilities will include managing day-to-day cyber operations, monitoring security events and vulnerabilities, coordinating responses to incidents and supporting investigations, remediation and lessons learned....

Analyst, Cyber In-line PMO

Added 26/08/2026

We are seeking an Analyst, Cyber In-line PMO to support the effective planning, coordination and delivery of a portfolio of cybersecurity initiatives. Working closely with project managers, cyber security specialists, technology teams and business stakeholders, you will help ensure that projects are managed consistently, risks are identified early and key commitments remain on track. This is an opportunity to develop broad experience across cyber programme management, governance, reporting and operational change within a fast-paced environment. Your responsibilities will include maintaining project plans, schedules, RAID logs, action trackers and milestone reporting; coordinating governance meetings, preparing agendas and papers, recording decisions, and...

Security Analyst: 2nd Line

Added 09/09/2026

We are seeking a Security Analyst: 2nd Line to support the investigation, management and resolution of information security incidents across a complex technology environment. You will act as an escalation point for first-line security monitoring and service teams, assessing alerts, validating potential threats and coordinating appropriate responses. The role will involve analysing logs and security events, investigating suspicious activity, identifying root causes and ensuring incidents are accurately documented through to closure. Your responsibilities will include monitoring and triaging alerts from security tools such as SIEM, endpoint detection and response, firewalls, vulnerability scanners and identity platforms. You will contribute to incident...