Top Cyber Security Jobs in London

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.

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.

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.

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.

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.

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 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.

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.

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 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.

The Senior Application Security Engineer will design and improve Secure SDLC, integrate security practices, and lead application security reviews across multiple platforms while ensuring fast delivery of secure products.

Lead design, development, testing and support of Java-based, microservices applications for SwapClear clearing operations. Collaborate in Agile teams, promote engineering best practices, contribute to automation and production support, and document system designs.

Lead technical escalations and major-incident resolution for managed services customers. Own delivery and compliance of customer contracts, support Technical Delivery Leads on initiatives, and train/onboard technical teams. Act as primary escalation point for complex infrastructure, network, and security issues while managing stakeholder engagement and customer satisfaction.

This role requires shaping technical direction, leveraging AI tools for production systems, and making crucial decisions to align product intent with engineering realities.

Originates and closes complex IT services and digital transformation deals, builds C-suite and senior technical relationships, grows accounts via upsell/cross-sell, executes territory plans and sales campaigns, and collaborates with pre-sales, marketing, consultants and partners to meet revenue and GP targets.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

The Technical Consultant designs, plans, and implements technical projects, collaborates with other teams, and ensures project governance and best practices are followed.

Lead all aspects of Information Security for the UK&I business, implementing policies and managing compliance while driving a cybersecurity culture.

Responsible for triaging alerts and responding to security incidents, improving detection and response functions, and collaborating with various teams on security initiatives.

Build and maintain data pipelines and integrations to enable continuous control monitoring for security and compliance. Translate control requirements into measurable KPIs and dashboards, partner with control owners, and deliver data-driven insights to reduce risk and improve compliance processes.

Lead end-to-end delivery of multiple concurrent technology transformation projects across infrastructure domains (Cloud, Security, Networks, DevOps). Define scope, plans, risks, and governance; manage stakeholders and cross-functional teams; apply traditional and agile practices; drive continuous improvement and deliver business value on a fixed-term contract.

Lead detection and response activities within global security operations: investigate incidents, tune security tools, perform network security assessments, coordinate remediation, research vendor solutions, act as SME, and improve security posture across IT and business teams.

Sell HERE Enterprise Browser to financial services and other regulated industries across UK and Continental Europe. Build and manage a high-value pipeline, meet quota using MEDDICC, cultivate senior stakeholder relationships, position the product on AI, security and productivity value, and drive end-to-end sales as an individual contributor.