Top Cyber Security Jobs in London

Develop and deliver native iOS features for the Nutmeg app using Agile practices. Own tasks end-to-end, write tests, participate in releases and code reviews, troubleshoot defects, contribute to technical initiatives, and collaborate across product, operations, and engineering to improve the codebase and tooling.

Lead development of cloud-native Python applications for global commodities trading desks. Design, build, test, and operate resilient, secure production systems; drive automation and CI/CD; evaluate vendor solutions; and mentor engineering communities of practice.

Designs, develops, tests, and maintains scalable, secure front-end applications using React and TypeScript. Uses AI-assisted development tools responsibly, produces architecture artifacts, improves code quality, debugs complex issues, and creates visualizations from large datasets to drive system improvements.

Lead engineering on design, development, and operational stability of market-facing systems. Deliver secure, high-quality Java code, promote enterprise AI-assisted engineering practices, drive automation and resiliency, evaluate vendor solutions, and mentor teams while ensuring secure, compliant adoption of AI and cloud-native architectures.

Embed with a strategic customer as a production software engineer to design, build, deploy, and operate Cloudflare-based solutions. Own technical strategy, participate in customer rituals and incident response, accelerate platform adoption, surface product feedback, and maintain regular on-site presence to drive collaboration with senior engineering stakeholders.

Design, develop, and maintain secure, high-quality production code and system architectures. Troubleshoot complex issues, analyze large datasets for improvements, ensure application resiliency and CI/CD practices, and contribute to engineering communities and inclusive team culture.

As a Senior Consultant at iManage, you will deliver consulting services for enterprise projects, implement solutions, build client relationships, and provide technical expertise in cloud-based technologies in the legal and professional services sectors.

The Partner Program Manager will design and manage a tiered partner program, focusing on value-added systems for partner rewards, enablement, and performance analytics.

Lead development of a cloud-native, low-latency payments platform. Deliver end-to-end payment flows, write and review production-quality code, establish secure AI-assisted engineering practices, drive CI/CD and resiliency, coach engineers, evaluate architectures, and promote reusable patterns across teams.

As an Enterprise Architect, you will lead tech advisory growth, collaborate on solutions, manage client relationships, and mentor junior consultants within the organization, driving technology transformation for clients.

Join an agile front-office Commodities tech team to design, develop, and maintain trading applications. Work with traders, quants, and middle office to gather requirements, deliver scalable, resilient production code, troubleshoot outages, and collaborate globally while improving code quality and contributing to engineering communities.

Lead product security work across Vercel: threat modeling, secure code reviews, open-source and supply-chain security, SDLC tooling and automation, bug bounty triage, cross-team security projects, and customer-facing security support to embed security across development and platform operations.

Lead and build a UK Defence and National Security sales team to drive new business and expansion across MoD and defence ecosystem. Define sector strategy, manage long procurement cycles, coach salespeople, maintain rigorous CRM and forecasting, engage senior stakeholders, and align ServiceNow platform and AI-enabled workflows to defence mission outcomes.

The Principal Partner Manager will manage relationships with cloud security-focused partners to drive revenue growth. Responsibilities include partner recruitment, training, sales pipeline generation, and conducting business reviews.

Support certification and assurance activities including preparing for certification audits, assessing and testing security and technology controls against standards, documenting test procedures and evidence, identifying control deficiencies and supporting remediation, and collaborating with control owners, 1st/2nd line teams and auditors to maintain certifications and improve control effectiveness.

Lead the API access, security and webhook roadmap for Wise Platform. Improve auth and webhook reliability, observability, and self-serve diagnostics to reduce incidents and support load while scaling secure-by-default integrations for enterprise partners.

Perform deep security assessments of open source framework internals (routing, middleware, caching, build tooling), find and fix systemic vulnerability classes, own disclosure/CVE processes, triage and run OSS bug bounty reports, build preventive tooling (linters, codemods, CI), and harden supply chain practices for Vercel-maintained projects.

Embedded senior security engineer owning end-to-end security for v0: proactively find and fix vulnerabilities, build security features (sandboxing, isolation, permission boundaries), review launches, manage HackerOne reports, refine threat models, harden code execution, and respond to v0-specific incidents while shipping product features alongside the team.

12-month graduate accelerator that trains early-career candidates in technical presales across collaboration, security, networking, and cloud. Participants complete immersive bootcamp, three rotations, earn certifications, use AI-enabled learning, and transition into Solutions Engineer roles in Global Virtual Engineering.

12-month Cisco Sales Associates Program (CSAP) training recent graduates into Associate Sales Representatives. The role includes immersive bootcamp training, three rotational sales assignments, mentorship, AI-enabled simulations, and progression to an Inside Account Executive position working across Collaboration, Security, Networking, and Cloud with Solutions Engineers to drive customer outcomes.

Lead development and execution of Charterhouse's wholesale and channel go-to-market strategy. Build partner propositions, commercial models, and onboarding processes; personally drive revenue as a player‑manager; recruit and scale a channel sales team; formalise existing informal wholesale relationships; collaborate cross-functionally with Technology, Operations, Marketing, Legal, and Sales Administration to deliver scalable channel offerings and reporting.

Lead and operationalize Third-Party Security Risk Management across EMEA, manage supplier risk assessments and treatment, support ISMS/ISO27001 activities, run information security risk assessments, maintain Statements of Applicability, advise senior stakeholders, support audits, incidents, regulatory compliance, and security awareness initiatives.

Lead strategy, discovery, and delivery of SDKs, widgets, and the Developer Portal to simplify partner integrations. Own roadmap, standards, documentation, onboarding, and lifecycle management. Collaborate with engineering, architecture, UX, commercial, and implementation teams to build secure, reusable capabilities, and use adoption data and metrics to increase reuse and reduce time-to-market.

Manage and grow assigned global accounts by building strong client relationships, driving revenue and margin targets, minimizing churn, and coordinating with cross‑functional and global teams. Use Salesforce/CRM to manage pipelines, develop account strategies, identify opportunities, and deliver tailored solutions that meet clients’ business needs.

Senior solutions architect advising central government and defence CTOs/CIOs. Lead multi-domain architectures (networking, security, cloud, collaboration), shape strategic bids and digital transformation programs, liaise with cross-functional teams, and influence long-term technology roadmaps for mission-critical national infrastructure.