Top Cyber Security Jobs in London

Drive and expand enterprise accounts by building strategic executive relationships, managing pipeline and CRM, positioning SHI IT solutions, collaborating with pre/post-sales teams, and meeting revenue and profit targets.

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.

Create and maintain developer and user documentation for Cilium, Isovalent Enterprise Platform, and Hypershield. Produce concepts, tutorials, guides, reference materials, operational documentation, training, and best practices. Collaborate with engineering, solution architecture, product, marketing, release, and community teams. Conduct customer reviews and surveys, improve information architecture, and promote documentation best practices across the company and open-source community.

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.

Leads technical consulting, presales, enterprise architecture, and delivery activities for global transformation engagements. Partners with sales, engineering, services, customers, and vendors to scope opportunities, develop technical and business solutions, create proposals and project plans, manage risks, budgets, resources, and delivery quality. Provides executive-level client guidance across multiple infrastructure domains and supports strategic growth, particularly within global financial services. Manages people and travels domestically and internationally up to 50% of the time.

Leads technology consulting, presales, and delivery for global enterprise transformation engagements. Partners with sales, engineering, services, customers, vendors, and partners to scope solutions, develop proposals, estimate effort, manage risks, and deliver technical methodologies, architectures, assessments, strategies, and business cases. Provides senior technical leadership across infrastructure domains, supports business development, oversees project quality and resources, and drives profitable growth, particularly within global financial industry accounts. The role manages people and requires up to 50% domestic and international travel.

Leads technology consulting presales and delivery governance for enterprise transformation programs. Shapes business outcomes, architectures, proposals, estimates, and investment cases; guides engineering and architecture teams through execution; manages risks, scope, quality, and stakeholder communication; develops operating models and transformation roadmaps; mentors consultants and contributes reusable consulting offerings and accelerators.

Leads technology consulting and advisory engagements supporting global enterprise sales and digital transformation. Owns presales activities, customer discovery, solution scoping, proposals, estimates, and commercial development through contract closure. Provides enterprise architecture leadership, technical recommendations, project delivery oversight, risk escalation, resource coordination, and quality assurance across multidisciplinary infrastructure domains. Builds executive-level customer relationships, develops industry solutions, manages partner resources, and supports profitable growth. The role manages people and requires up to 50% domestic and international travel.

Leads technical consulting and presales activities for global enterprise customers, partnering with sales and services teams to drive digital transformation engagements. Defines project scope, methodologies, estimates, schedules, and deliverables; provides enterprise architecture leadership and develops technical and business recommendations. Oversees project delivery, quality, resources, risks, budgets, vendors, and partners while supporting business development and customer relationships. The role manages people and requires up to 50% domestic and international travel.

Leads technology consulting, presales, enterprise architecture, and customer-facing delivery for global enterprise accounts. Partners with sales, engineering, services, and vendors to scope engagements, develop technical solutions, manage project risks, budgets, staffing, and delivery quality. Advises executive stakeholders on digital transformation and industry solutions, supports business development through proposal and solution design activities, and drives profitable growth across complex, multidisciplinary technology projects.

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.

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.

Lead and grow a distributed engineering organization building customer-facing security capabilities: proprietary scanners, AI/ML detection engines, agentic remediation, vulnerability management, and security foundations. Set vision and roadmap, drive architecture and delivery, partner with product management, establish engineering standards, and represent the group in cross-functional and customer forums.

Own and grow Datadog’s strategic cloud security channel partnerships across EMEA. Responsibilities include recruiting and onboarding partners, driving partner-sourced revenue, developing joint solutions and services, enabling partners through training and joint selling, coordinating partnership launches, managing agreements, and conducting business reviews. The role requires quota-carrying cybersecurity or cloud security SaaS experience, technical communication skills, knowledge of cloud hyperscalers, and 30–40% regional travel.

Lead technical design, build and scale an AWS cloud platform, create reusable self-service tooling, drive infrastructure automation, apply SRE practices for reliability and performance, set platform standards and guardrails, lead complex initiatives, and mentor engineers to improve developer experience and delivery speed.

Drive new-logo acquisition for AI and cloud infrastructure customers across UK&I. Own end-to-end enterprise sales cycles, execute outbound prospecting, design multichannel outreach, close large-scale data center and cloud deals, and collaborate cross-functionally to deliver GTM strategies and partner relationships.

Build and maintain Ruby on Rails backend features for vulnerability management, including security dashboards, reports, and ingestion pipelines. Improve system performance, reliability, and scalability; collaborate across backend, frontend, product, design, and security teams; review code; address technical debt; and participate in on-call rotations. The role requires relational database experience, distributed-team collaboration, technical problem-solving, and contributions across the stack when needed.

Lead GitLab’s Security Posture Management team within Product Security. Drive governed security capability rollouts across the software estate, establish secure configuration baselines, build software supply chain security, manage risk registers and posture metrics, support audit evidence, and provide customer-zero feedback to Product and Engineering. Hire, coach, and develop the team while representing GitLab’s security practices externally and driving measurable risk reduction in a remote, asynchronous environment.

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.

Lead field-facing AI security strategy for enterprise customers by designing secure LLM/RAG architectures, delivering demos and POVs, advising on data protection and unsanctioned AI usage, and scaling enablement and product feedback across sales, product, and engineering teams.

Senior security researcher responsible for large-scale data collection and analysis, operating and building honeypots, performing vulnerability research and reverse engineering, developing automated tooling and GenAI/LLM workflows, collaborating with intelligence teams, reproducing vulnerabilities, and publishing technical research.

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.