Cyber Security Jobs

Engineering Manager - Data Platform , GBR)

Lead the development of a new Data Replay & Recovery team building a self-service application for business continuity within a high-scale security data lake. Work across distributed systems, data pipelines, and resilience engineering to ensure reliable data access across the Falcon platform. Focus on large-scale data processing, automation, and cross-team collaboration in a cybersecurity environment.

CrowdStrike London, United Kingdom

On-site Permanent

Sr. Engineer, Compiler - SaLT , GBR)

Develop and enhance a domain-specific language compiler and related tooling used internally at CrowdStrike. Work across distributed systems to design new language features, debug integration issues, and improve performance. Collaborate with engineers globally to shape the architecture and roadmap of detection systems while leveraging AI to optimize workflows and decision-making.

CrowdStrike United Kingdom

Remote

Policy and Regulatory Analyst

The role involves supporting regulatory compliance initiatives for digital identity and trust services across EMEA, with a focus on ETSI standards, eIDAS v2, and national frameworks. The analyst will prepare documentation, conduct regulatory assessments, and collaborate with cross-functional teams to ensure product compliance and support certification uplifts. Key projects include EUDI Wallet connector development and horizon-scanning for evolving regulations in identity, AML/KYC, and data protection.

Entrust France

Hybrid Permanent

Senior Software Developer

Design and develop Linux system tools for embedded HSMs, focusing on Python and C programming in a secure, multi-component environment. Work on SELinux applications, network stacks, container interactions, and secure upgrade processes for high-performance hardware. Collaborate on full-system software from device drivers to client-side APIs.

Entrust Cambridge, United Kingdom

Hybrid Permanent Clearance Required

Security Architect - DV cleared

This role involves providing expert security assurance and guidance on Managed Service Provider designs within a highly sensitive defence programme. The Security Architect will review security compliance, challenge design decisions, and ensure alignment with MOD standards in a secure environment. It is a hands-on position requiring deep technical knowledge and strong stakeholder engagement.

CBSbutler Holdings Limited trading as CBSbutler Basingstoke, Hampshire, United Kingdom £750 – £850 pd

On-site Contract Clearance Required

Senior Site Reliability Engineer

Design and maintain scalable AWS infrastructure using AWS CDK, with a focus on automation, reliability, and operational excellence. Drive CI/CD best practices, enhance monitoring and observability, and provide technical leadership while mentoring engineers across a growing cloud platform. Work closely with engineering teams to improve system resilience and performance in a hands-on SRE role.

VIQU IT Morley, West Yorkshire, United Kingdom £65,000 – £75,000 pa

Remote Permanent

Founding Engineer - Early Careers

Work across the full stack to build a security-focused canary-based intrusion detection product, primarily using C# on .NET Core 10, Terraform, and HTMX. Collaborate closely with founders and engineers in a fast-paced, office-based startup environment focused on shipping daily. Engage directly with customers to solve real-world cloud security challenges while leveraging AI-assisted development tools.

Tracebit London, United Kingdom

On-site Permanent

IT Cyber Security Analyst

This role involves managing patching, vulnerability remediation, and incident response within a large enterprise environment that includes both IT and OT systems. The analyst will work alongside SOC/MDR providers to monitor threats, improve detection capabilities, and support compliance and security control initiatives. It's a key position in an ongoing cyber transformation, focusing on strengthening overall security maturity across critical infrastructure.

Rise Technical Recruitment Scunthorpe, Lincolnshire, DN17 1AF, United Kingdom £45,000 – £50,000 pa

On-site Permanent Clearance Required

Senior Security Engineer

This role involves leading Microsoft Sentinel adoption, managing client onboarding, and developing custom connectors to ingest log data into SIEM platforms. The engineer will work on multi-vendor SIEM proof of concepts, create dashboards, develop queries, and configure alerts. Proficiency in infrastructure as code, DevOps pipelines, and scripting is central to the position.

Bridewell Cardiff, United Kingdom

Hybrid Permanent

Penetration Tester EU

This role involves conducting manual penetration tests on web applications, networks, APIs, and cloud assets using tools like Burp Suite. The focus is on hands-on security testing within a technically strong, award-winning cybersecurity team. The position emphasizes practical testing over administrative tasks, in a fully remote EU-based setup.

The Recruitment Company Dublin, City Of Dublin, Ireland £45,000 – £65,000 pa

Remote Permanent

3rd Line Support engineer

This role involves providing advanced technical support and leading infrastructure projects for a managed IT services provider serving creative industries. The engineer will troubleshoot complex server, network, cloud, and security issues, act as a senior escalation point, and lead client-focused deployments including cloud migrations and security implementations. The position also includes technical mentoring and project leadership within a hybrid-working environment.

Exposed Solutions Lime Street, City And County Of the City Of London, United Kingdom £50,000 – £55,000 pa

Hybrid

Senior Technical Success Manager - Enterprise Accounts

A Senior Technical Success Manager partners with enterprise customers to drive adoption of Darktrace’s AI-driven cybersecurity platform, embedding it into daily security operations. The role involves identifying technical use cases, reducing risk, accelerating time-to-value, and ensuring long-term customer health. It requires deep technical understanding of cybersecurity, strong stakeholder engagement, and collaboration across internal teams to support renewals and expansion.

Darktrace France

On-site Permanent

Cyber Security Engineer - Red Team within UK

Design and build offensive security labs and gamified learning content on a cyber resilience platform, simulating real-world red team attacks and AI-driven threats. Research and translate advanced tactics into engaging, practical exercises for technical and non-technical users, while collaborating with product teams to innovate training delivery.

Immersive United Kingdom

Remote Permanent

Technical Success Manager - Enterprise Accounts

The role involves building trusted relationships with enterprise security and IT teams to drive technical adoption of Darktrace’s AI-driven cybersecurity platform. You'll create success plans, identify high-value use cases, and guide customers from deployment to active use, ensuring measurable risk reduction and operational integration. The position acts as a technical advisor, bridging customer needs with internal teams to improve health, retention, and expansion opportunities.

Darktrace London, UB8 1LQ, United Kingdom

Hybrid Permanent

M365 Engineer

Design and govern enterprise-scale Microsoft 365 architecture, focusing on secure collaboration, productivity solutions, and AI-driven innovation through Copilot and Power Platform. Lead governance, mentor technical teams, and collaborate with security and architecture units to shape platform evolution. Drive adoption of Microsoft Copilot and enforce compliance across identity, data, and collaboration tools.

Lorien Glasgow, Alba / Scotland, G2 1AL, United Kingdom £54,000 – £54,776 pa

Permanent