Top Cyber Security Jobs in London

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 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.

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.

Responsible for the infrastructure behind ACRA, focusing on Kubernetes, networking, storage, and production operations. Will design, build, and improve core infrastructure layers while ensuring operational reliability and security.

Lead and grow F5's North West EMEA sales by managing direct and channel sales teams, setting regional strategy, quotas and budgets, recruiting and developing staff, engaging enterprise customers and partners, introducing products, ensuring customer satisfaction, and meeting quarterly and annual revenue targets. Role requires extensive travel and hands-on engagement in key deals.

Lead and scale a global, AI-native Solutions Engineering organisation (~15 people). Set strategy, build playbooks for mid-market and enterprise motions, enable partners, coach leaders, influence product and GTM, and ensure repeatable, production-ready technical outcomes for complex enterprise customers.

Lead architecture and delivery of reusable platform capabilities, driving technical strategy, Spec Driven Development, and AI-assisted tooling adoption. Own end-to-end outcomes across teams, mentor senior engineers, simplify the technical estate, and ensure scalable, secure, observable, high-performance systems.

Serve as a technical and customer-focused advisor for Falcon Complete customers: assess Falcon environments, recommend and document security remediations, liaise with support and internal teams, produce service reports, and ensure alignment with Falcon Complete standards and SLAs.

Drive sales and adoption of Zscaler's Data Protection portfolio (DLP, CASB). Act as primary customer and partner contact in the UK, collaborate with solution engineers, craft value propositions, present to technical and executive stakeholders, and use account-based strategies and channel partnerships to meet quota.

Sell Elastics search, observability, and security SaaS to the NHS by owning full sales cycles, driving adoption, qualifying high-value opportunities (MEDDPICC), building executive relationships, and coordinating cross-functional teams to close complex deals and expand footprint.

Develops Elastic’s footprint within UK Defence by expanding existing business, building relationships, generating demand, identifying use cases, managing complex sales cycles, closing transactions, and growing territory revenue through customer, partner, and defence community ecosystems. The role requires SaaS sales expertise, defence-sector relationships, accurate forecasting, open-source go-to-market knowledge, and an active security clearance.

Perform advanced research on security of mobile networks and hardware-software interactions. Design, analyze, and implement hardware security, cryptography, enclaves, and confidential computing solutions. Collaborate across teams and external partners, contribute to standards, publish papers, produce proofs-of-concept and patents, and mentor colleagues.

The Senior Enterprise Account Executive will drive growth in the UK market by managing sales cycles, developing business relationships with senior executives, and collaborating with internal teams.

Design, maintain, and extend abuse detection and prevention systems for GitLab's SaaS platform. Serve as a core maintainer of a Ruby on Rails monolith, build anomaly detection and agentic AI mitigations, automate abuse response, collaborate with peer engineering and security teams, and produce runbooks and operational documentation.

Lead security incident response and digital forensic investigations, act as Incident Commander, monitor and analyze security events, build scripts and automated workflows (Python), use SIEM and cloud (AWS/GCP) tooling, mentor engineers, coordinate cross-team remediation, participate in on-call rota aligned to UK/EMEA hours.

Lead and manage architects across Scalable Tech to provide architectural oversight, governance, and direction for cloud and on-premise platforms. Shape enterprise architecture input, embed best practice, support delivery teams, promote reuse and technical excellence, and drive alignment across engineering, product and delivery stakeholders for large-scale genomics platforms.

Lead and scale strategic partner motions (channels, GSIs, ISVs, OEMs, cloud, silicon) to drive joint go-to-market plans, revenue, and market expansion. Build executive relationships, enable partners technically and commercially, establish pipeline governance, and coordinate product, sales, marketing, and engineering to convert partner potential into measurable customer impact.

Lead and grow Elastic's Justice & Public Safety business across the UK. Build executive relationships across government and blue light organizations, drive strategic pursuits, expand Elastic's platform (Search, Security, Observability, AI), and collaborate with cross-functional teams. Mentor colleagues, develop partner ecosystems, and deliver sustainable pipeline, customer outcomes, and platform revenue growth while preparing to scale the business.

Lead business development for Mastercard Security Solutions in UKI, partnering with sales leads to generate demand, drive end-to-end sales cycles, and close deals with banks, acquirers, fintechs and merchants. Define sales strategy, achieve revenue targets, nurture a sales team, and collaborate across stakeholders to scale security services.

Drive large, complex public sector sales for CrowdStrike: build pipeline, manage strategic accounts, influence C-level stakeholders, lead virtual teams, forecast opportunities, and close enterprise security deals.

Drive cloud security sales across Northern Europe: build territory plan and pipeline, lead end-to-end Falcon Cloud Security deals, enable regional account teams, engage technical and executive stakeholders, support post-sale adoption and expansion, and provide product and market feedback. Travel up to 50%.

Detect, investigate, and respond to security incidents; maintain logging and SIEM operations; build detections and visibility; support PCI/SOC2/ISO audits; manage endpoint, email, and GitHub security; collaborate across teams and improve on-call and security tooling.

Drive sales across EMEA, manage accounts, develop pipeline, collaborate with teams, and provide sales reporting to meet growth objectives.

The role involves researching cybersecurity threats, vulnerability analysis, developing automated tools, and collaborating with teams to provide technical expertise and publish findings.

Administer and support Microsoft 365 productivity platforms, resolve escalated technical issues, design permanent solutions and automations, lead projects, deliver trainings, create reports, and collaborate across teams to improve service stability.