Top Cyber Security Jobs in London

Design, implement, and manage GCP infrastructure as code (Terraform); integrate Vertex AI and BigQuery; configure Wiz Security Control and Policies-as-Code (Rego); implement automation, monitoring, IAM, encryption, and run security assessments and audits in GCP environments.

Design and maintain secure enterprise architecture patterns; act as security design authority; translate policies into controls; perform risk assessments and threat modeling; evaluate emerging technologies; collaborate with infrastructure, app, and data teams to integrate secure solutions; document architectures and develop reusable reference templates; support Group Cyber Strategy and cyber leadership priorities.

Monitor assigned regions, collect and analyze security intelligence, produce routine regional and thematic reports, support large projects and crisis response, and provide operationally relevant insights to client stakeholders.

Drive growth of HPE's security portfolio by building long-term pipelines, winning complex enterprise deals, supporting account teams, engaging C‑suite stakeholders, and coordinating partners. Sell hardware, software, and services; manage deal orchestration, forecasting, CRM discipline, and customer references to achieve high-value quotas and renewals.

Act as senior finance partner to the Chief Information Security Officer and CSO leadership, leading planning, forecasting and investment appraisal. Shape cyber risk investment prioritisation, provide financial discipline and governance, influence strategic and operational decisions, and build trusted stakeholder relationships to align financial choices with resilience, value and enterprise priorities.

Lead design and implementation of identity and access controls across Entra ID, Okta, M365, Google Workspace, and AWS IAM Identity Center. Build SCIM/API automation and ServiceNow workflows for JML, enforce SSO/MFA/conditional access, harden privileged access, integrate identity telemetry into Sentinel/SOAR, and map controls to compliance frameworks. Drive detections, playbooks, incident response, and policy-as-code to reduce risk and improve monitoring, remediations, and KPI-driven outcomes.

Support ASOS Physical Security to protect people, property and assets via risk assessments, investigations, system maintenance (CCTV/access control), OSINT monitoring, supplier coordination, compliance documentation, and training support.

Maintain visible security presence through foot patrols and CCTV monitoring, control access and key management, respond to emergencies, and support fire, life, and safety procedures while liaising with emergency services.

Monitor entrances, patrol hotel public and back-of-house areas, manage access control, respond to alarms and emergencies, assist with lost-and-found, and provide security-related guest assistance and reassurance.

Lead and build Smarkets' security engineering and DevSecOps program for cloud-native trading systems, ensuring regulatory compliance (CFTC), secure SDLC adoption (SAST/DAST/SCA), infrastructure hardening (AWS/Azure/GCP, Kubernetes, IaC), incident response, monitoring, and security automation while engaging with executives, board, and regulators.

Provide on-site security screening at a food production/airport facility: inspect seals and catering vehicles, audit personnel, log findings, maintain compliance with regulator/airport/ICTS standards, work shifts including early mornings, and perform duties in chiller areas as required.

Provide on-site security at a large fulfilment centre: conduct body and bag searches, access control, foot patrols, support loss prevention, log incidents and vehicle movements, communicate with team and management, and follow assignment procedures.

Provide access control, patrols, incident response, customer service, report writing and daily operational paperwork. Follow company/client procedures, maintain professionalism, and promote ICTS. Work flexibly on rosters, including nights.

Provide on-site access control, patrols, incident response, customer service, and report writing. Complete daily operational paperwork, follow company/client procedures, and maintain professional standards.

Analyze reinsurer security and market conditions to support brokers and clients. Produce analytical reports, newsletters, and research notes, maintain market security platform, respond to stakeholder queries, present findings, and manage large financial datasets while building relationships with brokers, insurers, and clients.

Provide security at a large fulfilment centre: conduct body/bag searches, access control, patrols, support loss prevention, write reports, communicate with team and management, and follow site procedures.

Client-facing senior consultant delivering cyber security engagements across governance, risk and compliance: ISMS development, ISO27001 certification support, NIS2 and framework gap analysis, risk assessments, security management, pre-sales/tender support, quality assurance of consultants, and input to security methodologies.

Provide strategic procurement and contract advice for large public and private projects, lead end-to-end procurement services, manage supplier engagement and post-contract contract management (NEC4), support business development, and help grow Sustainable Procurement, Digital Procurement and Net Zero initiatives.

Design, implement, test and document scalable Windows platform security controls. Automate security workflows and integrate security products via APIs. Manage endpoint security, vulnerability scanning and patching, investigate emerging threats, and advise IT teams on remediation and best practices.

Operate, scale, and improve network security infrastructure. Design and deploy perimeter security, manage segmentation/DMZ, evaluate security platforms, collaborate on threat detection/mitigation, and enhance observability and automation.

Lead digital transformation of project, programme and portfolio management (P3M) for Defence clients. Assess requirements, implement P3M methodologies and technologies, direct suppliers, embed capability across secure environments, produce deliverables, support stakeholder engagement, and contribute to bids and business development.

Client-facing project manager for real estate projects within central and local government. Responsibilities include project planning, benchmarking, establishing processes, tracking progress and changes, preparing reports and communications, liaising with clients, contractors and designers, and attending meetings. Supportive team environment with opportunity to lead commissions and deliver programme/project objectives.

Design and implement security controls across payments systems and supporting infrastructure. Review architectures, perform vulnerability analysis and security testing, prioritise fixes, support incident response, and produce security standards and documentation while collaborating with engineers to embed security into delivery.

The Staff Infrastructure Security Engineer will lead security initiatives, set architectural patterns, conduct security reviews, and mentor engineers while ensuring security in cloud infrastructures for GitLab.

Lead technical pre-sales for DACH customers: qualify opportunities, design architectures, run demos and POCs, respond to RFPs, guide API integrations, mentor junior presales engineers, and drive the technical win while building customer trust.