Top Cyber Security Jobs in London

Manage and develop a UK&I sales engineering team supporting enterprise customers. Partner with account executives and sales leaders on account strategy, participate in customer calls, resolve pre-sales escalations, demonstrate Samsara’s IoT and SaaS platform, and collaborate with product, support, marketing, and customer success teams to improve sales engineering performance.

Designs and improves security controls across endpoints, servers, identity systems, cloud services, SaaS applications, networks, and data flows. The role includes hardening, vulnerability remediation, access controls, monitoring, automation, security assessments, incident investigation, and architectural improvements. The engineer partners across infrastructure, engineering, identity, legal, and security teams to reduce attack surface and strengthen durable security practices. Applicants need at least five years of hands-on security experience and an active TS/SCI clearance or eligibility to obtain one.

Own the roadmap and execution for Wise Platform API access, authentication, security, webhooks, observability, and troubleshooting tooling. Partner with engineering, security, compliance, support, and enterprise partners to improve API reliability, reduce incidents and support load, strengthen security, and accelerate issue resolution. Define metrics, prioritize based on production data and customer feedback, and deliver scalable, secure-by-default platform capabilities.

Operate and improve enterprise endpoint security, visibility, zero trust, and network access systems. Responsibilities include incident triage, anomaly investigation, policy tuning, vulnerability remediation, security documentation, cross-functional collaboration, automation with Python and SOAR platforms, and mentoring security engineers. The role supports security investigations and maintains resilient production security systems at enterprise scale.

Own the Wise Platform API access, security, webhook infrastructure, and tooling roadmap. Partner with engineering, security, compliance, and enterprise customers to improve authentication, reliability, observability, diagnostics, and self-service troubleshooting. Drive measurable reductions in incidents, support load, authentication failures, and resolution times while balancing security, scalability, developer experience, and delivery speed.

Monitor, triage, investigate, and respond to escalated cybersecurity alerts and incidents in a security operations center. Conduct root cause analysis, digital forensics, threat hunting, and malware analysis while developing incident-response playbooks and detection use cases. Collaborate with security engineering, threat intelligence, insider threat, and managed SOC teams to improve monitoring, automate response, mitigate risk, and strengthen critical payments infrastructure security.

Leads secure, scalable AWS architecture for multi-tenant SaaS and AI/ML platforms. Responsibilities include cloud security design, DevSecOps, IAM, networking, encryption, compliance, vulnerability management, Kubernetes operations, MLOps security, infrastructure as code, performance tuning, mentoring, and cross-functional alignment. The role also supports cloud-native application delivery, data governance, threat modeling, and continuous improvement across production environments.

Monitor, triage, and investigate security alerts across identity, endpoint, email, SaaS, and cloud environments. Own routine investigations, support major incident response, document findings, improve runbooks and detections, and develop small scripts or automated workflows. The role also involves post-incident reviews, evidence collection, threat analysis, and collaboration with global security teams.

Deploys and scales production AI platforms within complex enterprise environments. The role owns architecture, integration, governance, adoption, reliability, scalability, business value, and executive stakeholder engagement. It also leads experimentation, develops reusable deployment blueprints, manages engineering teams, and oversees delivery outcomes across multiple client workstreams.

Leads enterprise AI platform deployments from architecture through adoption, reliability, scalability, and measurable business outcomes. Designs production-grade agentic AI solutions across cloud-native technology stacks, including identity, data, security, governance, and multi-system integrations. Partners with CTO, CFO, and CISO stakeholders to develop AI strategies, ROI roadmaps, and adoption frameworks. Leads experimentation, architecture workshops, reusable accelerators, and engineering standards while managing, developing, and performance-managing teams of engineers.

Leads sales operations and deal desk teams supporting complex enterprise opportunities. Oversees pricing strategy, deal modeling, proposals, commercial positioning, sales enablement, and operational improvements. Partners with Sales, Product, Solution Consulting, and executive stakeholders to improve deal quality, seller productivity, and commercial consistency while personally supporting strategic opportunities. Develops team talent, scalable processes, performance metrics, and best practices across commercial execution.

Own the full sales cycle for Ramp’s AI products, from pipeline generation through close and activation. Build demand in an emerging category, navigate complex enterprise buying groups, quantify business value, lead technical evaluations, and develop repeatable sales playbooks. The role also shapes positioning, pricing, qualification, forecasting, and product feedback while establishing the operating foundation for Ramp’s AI sales organization.

Conducts interior and exterior hotel security patrols, identifies safety risks, assists with incident investigations, prepares accurate reports, responds to emergencies, and provides professional assistance to hotel guests.

Conduct interior and exterior hotel security patrols, identify safety risks, investigate and document incidents, maintain accurate security records, respond to emergencies, and assist guests professionally. The role follows a four-on, four-off rotating schedule covering day and night shifts, predominantly nights.

Lead security incident response and digital forensic investigations, act as Incident Commander, monitor and analyze security events, build scripts and automated workflows (Python), use SIEM and cloud (AWS/GCP) tooling, mentor engineers, coordinate cross-team remediation, participate in on-call rota aligned to UK/EMEA hours.

Research emerging attack surfaces, vulnerabilities, malware, and software supply-chain threats. Build AI-powered research and detection workflows, maintain cloud-based security systems, improve vulnerability and malware advisories, responsibly disclose findings, publish technical content, present at conferences, and support team operations. The role combines security research, software development, cloud engineering, adversarial analysis, and AI agent development.

Manage strategic enterprise accounts and drive adoption of OutSystems’ AI Development Platform. Conduct technical reviews, create adoption plans, guide development teams in implementing agentic workflows, and advise customers on architecture, governance, security, and performance. Act as a trusted technical advisor and internal customer advocate while collaborating with Product Management and Global Support to resolve challenges and deliver measurable business outcomes.

Lead Teya’s Security GRC team and oversee PCI DSS, SWIFT CSP, ISO 27001, UK regulatory, risk, audit, third-party security, and control-assurance programs. The role owns policies, risk methodology, audit planning, findings remediation, Vanta implementation, evidence automation, significant-change procedures, and executive reporting. It requires close collaboration with engineers, Procurement, Legal, auditors, regulators, and the CISO to make security governance scalable and enabling.

Supervise hotel security operations by conducting interior and exterior patrols, identifying safety risks, coordinating emergency responses, training and scheduling security personnel, investigating incidents, documenting findings, promoting workplace safety, and providing security officer coverage when needed.

Own enterprise security, privacy, and compliance questionnaires during the pre-sales cycle. Serve as a customer-facing security subject matter expert, explain infrastructure and data protection controls, maintain security knowledge repositories, and collaborate with Security, DevOps, Legal, and Engineering teams. Develop trust portals, whitepapers, self-service security packages, and architectural diagrams that accelerate enterprise deals and address customer risk requirements.

Leads a multi-layered engineering organization supporting Manufacturing, Sustainability, and Supply Chain products. Defines engineering strategy, oversees delivery and architecture, develops engineering leaders, and drives cloud-native, DevOps, quality, security, and operational excellence. Leads adoption of AI-assisted engineering and AI-enabled manufacturing capabilities while aligning product execution with customer and business outcomes. Requires strong software engineering expertise, enterprise application experience, manufacturing domain knowledge, and executive-level stakeholder leadership.

Lead end-to-end product design for AI security and agentic experiences within an enterprise cybersecurity platform. Responsibilities include user research, complex workflow and information architecture design, prototyping, validation, design-system governance, Object-Oriented UX, and translating cybersecurity data into intuitive interfaces. The role partners closely with Product, Engineering, and Research, uses customer insights and behavioral analytics to measure outcomes, and advances scalable, accessible AI-powered product experiences.

Provide second-line technical support for complex network and platform incidents. Diagnose logs, audit rules, perform upgrades and patches, manage configuration changes, and collaborate with third-line teams and vendors. Support Cisco, firewall, load-balancing, cloud, and networking technologies; document incidents, implement approved changes, assist transitions, maintain certifications, and provide remote support during rotating 12-hour night shifts.

Provide technical support for CircleCI customers by building and improving AI support agents, testing agent responses, troubleshooting cloud and distributed systems, and resolving complex customer issues. Maintain documentation, report bugs and incidents, communicate during outages, share feedback with Product and Engineering, meet response targets, and participate in on-call support.

Supports pre-sales opportunities by translating customer needs into tailored Cisco services solutions. Partners with Sales and Solution Development Architects on lifecycle and transformation opportunities, RFPs, RFIs, presentations, and business development. Builds customer and internal relationships, explains technical concepts to business and technical stakeholders, and develops expertise across networking, security, cloud, data center, and AI technologies.