Top Tech Jobs & Startup Jobs in London

Respond to complex enterprise cyberattacks through Cloudflare Managed Defense, including Layer 3, 4, and 7 DDoS and application security incidents. Investigate telemetry, analyze packets and traffic, create mitigation rules, monitor alerts, communicate with customers during active incidents, maintain runbooks, lead onboarding and security reviews, and collaborate with engineering and threat intelligence teams. The role requires rotating 24x7 shifts and expertise in network and application security.

Design, develop, review, deploy, and maintain security-focused distributed systems operating at internet scale. Participate in on-call rotations, monitor emerging web application security risks, contribute to product roadmaps, collaborate cross-functionally, and mentor other engineers through technical guidance and knowledge sharing.

Generate qualified sales opportunities from inbound and marketing leads, discover customer pain points, map needs to Cloudflare solutions, and qualify enterprise sales opportunities. Manage quotas, response SLAs, pipeline value, and sales activity reporting in Salesforce. Collaborate with account executives, marketing, sales operations, and fellow BDRs while contributing to process improvements and delivering customer-focused experiences.

Lead post-sale customer lifecycle from onboarding to renewals, acting as trusted advisor and commercial owner. Drive retention, upsells, and accurate forecasting; run Executive Business Reviews; collaborate cross-functionally. Embed AI-driven analysis and workflow automation to identify selling opportunities, automate tasks, and maximize customer outcomes and operational efficiency.

Leads Account Executives across Central and Eastern Europe’s Digital Natives segment. Responsibilities include coaching and developing sales teams, driving quota attainment, managing pipeline and forecasts, recruiting and onboarding representatives, developing go-to-market strategies, strengthening channel and executive relationships, improving product adoption, and establishing data-driven sales practices. The role is based in London on a hybrid schedule and requires expertise in SaaS, cloud, or cybersecurity sales.

Partners with sales teams and customers to drive adoption and revenue for Cloudflare’s AI and Developer Platform. Leads technical discovery, architects cloud and AI solutions, presents to strategic customers, develops proofs of concept and demonstrations, and advises executives on business and technical value. Provides product feedback and supports developer content, use cases, competitive positioning, and platform strategy.

Lead enterprise sales across Central Eastern Europe’s digital-native segment, driving new-logo acquisition and account expansion. Manage complex sales cycles, multi-million-dollar quotas, forecasting, negotiations, and executive relationships. Map customer IT architectures to Cloudflare solutions, lead virtual cross-functional teams, articulate digital-transformation value, and close large platform deals. The role also includes coaching colleagues, influencing technical and executive stakeholders, and traveling as needed.

Leads complex enterprise sales cycles and new-logo acquisition across Central Eastern Europe digital-native customers. Develops account strategies, manages pipelines and forecasts, maps customer IT architectures to Cloudflare solutions, leads virtual cross-functional teams, negotiates large deals, builds executive relationships, and drives digital transformation, adoption, retention, and expansion.

Design, deliver, and operate Cloudflare’s observability platforms, focusing on metrics and alerting systems. Solve scaling challenges in distributed services, research new technologies, support open-source initiatives, and participate in on-call rotations. The role requires software engineering expertise, distributed systems design, Linux, databases, Prometheus-based tooling, networking knowledge, and strong communication skills.

Build and maintain production reliability testing infrastructure and availability reporting. Define and measure SLIs/SLOs (correctness, availability, latency) for large-scale distributed systems. Collaborate with engineering, SRE, and product teams to instrument systems, surface reliability metrics, and drive improvements. Communicate findings and help teams implement reliability plans.