Cyber Security Jobs

eFinancialCareers · London · £70,000 – £90,000 pa

Senior security architect and technical authority across a portfolio of projects, leading architecture reviews and advising on secure-by-design, cloud, network, infrastructure and application security controls. Involves threat modelling, risk and vulnerability assessments, oversight of penetration testing, mentoring practitioners and communicating risk to senior stakeholders, largely on government, defence and public-sector programmes.

CrowdStrike · London

Builds and owns major components of the Falcon endpoint sensor, a Windows kernel-mode driver that observes system activity, detects malicious behaviour and provides on-box prevention plus telemetry to the cloud. Work spans OS internals such as file system, memory, process and networking, with cross-platform components shared across Windows, Mac and Linux.

CrowdStrike · Ireland

Owns major components of the Windows kernel-mode sensor, architecting and building next-generation anti-virus and EDR security software. Works across core OS subsystems like file system, memory, process and networking, with cross-platform deliverables for Windows, Mac and Linux. Leads projects end to end, mentoring and collaborating with distributed teams.

NCC Group · Manchester

Hands-on IAM engineering and development role supporting large-scale identity deployments, covering identity lifecycle management, access governance and privileged access. Works client-facing alongside internal IAM SMEs and cyber team members to deliver enterprise IAM solutions, reporting to the service line leader within a new global practice.

ECS Resource Group · London · £650 – £750 pd

Lead a major vulnerability and patch management transformation programme within a large enterprise, managing workstreams and coordinating Technology, Infrastructure, Cyber and third-party vendors. Own programme plans, risks, dependencies and delivery milestones while leading senior stakeholder and vendor meetings and driving actions through to completion. Requires recent financial services experience and a background in cyber, vulnerability or patch programmes.

Red Sift · London

Lead and work hands-on with a small team to identify, design and deliver business automation that replaces manual processes across Sales, Finance, Marketing, Customer Success and HR. Build automations using AI, workflow platforms (Zapier, Make, n8n, Workato), APIs and data integration, balancing rapid prototyping with robust, maintainable solutions while mentoring the team.

CrowdStrike · United Kingdom

Owns major components of the Windows kernel-mode endpoint sensor, architecting and building anti-virus and EDR features that span file system, memory, process and networking subsystems. Leads projects from design to delivery, mentors engineers and collaborates with distributed, cross-platform teams on shared Windows, Mac and Linux components.

CrowdStrike · Romania

Owns major components of the Windows kernel-mode sensor, architecting and building next-generation anti-virus and EDR security software. Works across core OS subsystems like file system, memory, process and networking, with cross-platform deliverables for Windows, Mac and Linux. Leads projects end to end, mentoring and collaborating with distributed teams.