Cyber Security Jobs

CrowdStrike · Israel

Join the Advanced Research Team to perform vulnerability research across a wide range of targets, including analyzing vendor patches to identify vulnerabilities and develop proof-of-concept exploits. You will build automated solutions for collecting and processing data at scale, reverse engineer malicious payloads, and publish findings on the CrowdStrike blog or at conferences.

CrowdStrike · Germany

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production deployment and long-term maintenance. Works fully remotely across time zones, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain.

Darktrace · Cambridge

Hands-on technical leadership role maintaining and evolving the Workday integration ecosystem across HR and Finance, reporting to the Digital Transformation Lead. You will design, build and support integrations using Workday Studio, EIB, web services and APIs, govern the Workday security model, and develop reporting and analytics, while balancing project delivery with operational support.

Darktrace · Cambridge

Owns the end-to-end roadmap for Darktrace's Network Detection and Response product, deciding what gets built and in what order. Works directly with customers running zero-trust, cloud-connected and segmented estates, partners with R&D on prioritisation and testing, and supports Product Marketing on launches and go-to-market. Acts as internal subject matter expert for the NDR portfolio.

airbus · Bristol

Owns the long-term data protection strategy and technical design of resilient disaster recovery architectures across hybrid, multi-cloud, container and on-premise environments. Acts as the highest escalation point for complex recovery failures, evaluating immutable and air-gapped storage while automating backup and orchestration processes.

airbus · Hamburg, Germany

Owns the long-term data protection strategy and technical design of resilient disaster recovery architectures across hybrid, multi-cloud, container and on-premise environments. Acts as the top escalation point for complex recovery failures, evaluating immutable and air-gapped storage while automating backup and orchestration processes.

eFinancialCareers · London · £105,000 pa

Plan and deliver penetration-testing engagements across IT and OT estates, assessing industrial control systems, operational networks and connected infrastructure, plus cloud, mobile, network, web and API environments. Produce technical and executive reports, present remediation advice to clients, and support internal tooling, methodologies and CREST-accredited training. Work spans energy, wind, nuclear, CNI and manufacturing programmes.

eFinancialCareers · London

Engineering-led role building defensive capability against AI-driven threats, spanning AI-assisted vulnerability management, security architecture for agentic AI, and detection and response for AI-originated attacks. Sits within Citi's CISO organisation across four teams, with a mandate to ship production tooling rather than work in an innovation lab.

Appcast Enterprise · London

Customer-facing Solution Architect shaping and winning strategic UK Central Government opportunities, working with account, capture and bid teams from early qualification through contract award. Leads solution development, discovery workshops and architecture reviews across Data & Analytics, Cloud, Cyber, AI/ML and Systems Integration, then supports handover into delivery.

Gleeson Recruitment Group · West Midlands (Region)

Owns the organisation's data protection strategy, privacy governance and regulatory compliance, working with Information Security, IT, HR and Legal. Day-to-day work covers UK GDPR, DPA 2018 and PECR compliance, DSARs, DPIAs, breach management, RoPA upkeep, supplier and transfer risk reviews, and training delivery. Hybrid working with autonomy to review and improve existing privacy practices.

Appcast Enterprise · Farnborough

Supports secure delivery through manual and Python-based automated testing across functional, integration, system and regression levels. Builds scalable automation frameworks and tests AWS-hosted services, databases and security controls against CIS benchmarks, with strong emphasis on evidence-based security testing and defect analysis.

Entrust · United Kingdom - Field

Senior individual contributor providing cross-team technical leadership for quality engineering across a multi-tenant SaaS platform. Defines automation architecture and risk-based quality strategies, builds reusable test frameworks, and embeds unit, integration, contract, API and end-to-end testing into CI/CD pipelines. Leads performance, scalability and resilience validation, including fault injection and chaos testing, while mentoring engineers and influencing release decisions.

Cambridge University Press & Assessment (CUPA) · Cambridge · £54,800 – £73,250 pa

Designs secure, scalable cloud-native solutions on AWS within the English Enterprise Architecture team, partnering with product, engineering and security to shape architectures for large-scale transformation programmes. Produces architecture artefacts and decision records, governs architectural integrity, manages technical debt and risks, and mentors engineering teams.

Cloudflare · London

Lead the Threat Application Services team within Cloudforce One, owning the Threat Events platform, external Threat Intel APIs, and backend systems that feed IOCs into WAF and Gateway for automated mitigation. Set architectural direction and operational excellence for distributed, high-latency-sensitive services, while hiring and mentoring engineers building agentic threat intelligence tools.

Genomics England · London · £89,000 pa

Architect secure, resilient network connectivity spanning AWS cloud platforms and on-premise infrastructure, supporting clinicians and researchers accessing sensitive genomic data. The role balances long-term network strategy with practical delivery, defining target architectures, standards and reusable patterns across cloud, hybrid, remote-access and partner connectivity. Involves designing AWS networking, hybrid multi-site connectivity, zero-trust security, and providing architectural governance through delivery.