Top Cyber Security Jobs in Belfast

Lead end-to-end incident response for high-severity security events across cloud environments, perform DFIR investigations, build detection and automation (including AI-assisted) workflows, partner cross-functionally, produce executive communications and RCAs, maintain runbooks/playbooks, and mentor other engineers within a 24/7 global on-call model.

Manage the EMEA Security Operations Center within a global 24/7 operation. Responsibilities include defining processes, workflows, and playbooks; maintaining shift coverage and quality assurance; coaching analysts; developing training; partnering with Product, Support, and security teams; improving incident response capabilities; tracking objectives and key results; operationalizing new services; and representing the company in public speaking engagements.

Develops offensive-security labs, challenges, ranges, and learning content for a cyber resilience platform. Researches vulnerabilities, tools, red-team tactics, and AI-driven attacks; tests lab functionality; translates technical findings for technical and non-technical audiences; and collaborates with Product teams on platform innovation.

The Staff Infrastructure Security Engineer will lead security initiatives, set architectural patterns, conduct security reviews, and mentor engineers while ensuring security in cloud infrastructures for GitLab.

Own the full sales cycle for mid-market accounts, driving adoption and expansion of Elastic’s search, AI, observability, and security solutions. Build territory plans, identify use cases, conduct discovery, manage complex sales cycles, negotiate contracts, and close deals. Partner with Solutions Architects, Customer Success, Marketing, and RevOps while forecasting accurately and positioning technical capabilities against measurable business outcomes.

Design and build scalable AI platform capabilities on Azure and Databricks, produce technical designs, develop reusable platform components, optimize performance/cost, and collaborate across engineering, architecture, and product teams to deliver model hosting, data integration, APIs and enterprise-grade platform services.

Lead design and build of scalable AI platform capabilities on Azure and Databricks, including data lakes, integration, model hosting, APIs, and IaC. Produce technical designs, reusable platform components, optimize performance/cost, and collaborate across engineering, architecture, and product to drive operational excellence.

Leads technical direction and hands-on execution for major products and systems. Designs scalable backend, frontend, API, database, and infrastructure solutions; writes code; drives architecture decisions; solves production issues; improves engineering quality, reliability, security, testing, and observability; and mentors engineers across teams.

Own technical direction and execution for major products and systems. Design scalable and reliable architectures, write production code, lead architecture decisions, solve complex engineering problems, and drive initiatives from concept through production. Improve engineering quality across testing, security, observability, and development practices while mentoring engineers and coordinating work across teams and products.

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.

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.

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.

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.

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.

Manage and grow a portfolio of strategic and growth customers to drive adoption, retention, renewals and expansion. Build trusted advisor relationships, create success and account plans, lead QBRs, identify upsell/cross-sell and AI opportunities, and coordinate internal teams to resolve escalations and deliver measurable customer value.

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.

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 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.

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.