Top Cyber Security Jobs in Belfast

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.

Supports cybersecurity engineering for a federal cloud modernization program. Responsibilities include implementing and monitoring security controls, cloud systems integration, automation, AI-assisted tooling, configuration hardening, vulnerability management, evidence collection, control testing, STIG and baseline artifact maintenance, and technical documentation. The role is fully remote and requires collaboration with senior engineers, system owners, developers, and assessors.

Supports information security and risk activities, including access provisioning in SAP, security controls, risk assessments, incident response, vulnerability scanning, threat management, disaster recovery, and intrusion detection. Performs routine technical tasks and limited-scope projects under direct supervision while developing information security expertise.

Leads security operations by managing major incidents, engineering SIEM detections, applying MITRE ATT&CK, developing automated response workflows, and improving threat-informed monitoring. Partners with engineering and platform teams on cloud security, vulnerability management, threat modeling, and security architecture. Provides technical leadership, mentors analysts, reports operational metrics, and supports ISO 27001, SOC 2, and NIS2 compliance.

Own the vision, strategy, and roadmap for MDR, EDR, and incident response products. Lead customer discovery, cross-functional delivery, go-to-market planning, vendor partnerships, and product operations. Mentor product managers and influence company strategy while scaling cybersecurity capabilities across Europe. Requires extensive senior product management experience, deep cybersecurity expertise, strong business acumen, excellent stakeholder communication, fluent English, and C2 German.

Own product marketing strategy for Eye Security’s MDR/XDR cybersecurity portfolio. Develop positioning, value propositions, go-to-market strategies, sales enablement, competitive intelligence, and content strategy. Partner across Product, Engineering, Sales, and Marketing while mentoring team members and influencing product roadmap decisions. The role requires deep cybersecurity market knowledge, strong B2B SaaS marketing experience, strategic execution, fluent English, and C2 German.

Conduct third-party and supplier security assurance, security control testing, PCI DSS assessments, regulatory reviews, and audits. Evaluate security evidence, identify risks and control gaps, improve policies and governance, support security inquiries, and advise engineering and product teams on secure changes. The role also drives remediation, process automation, risk prioritization, and continuous improvement while mentoring less experienced analysts.

Provides technical pre-sales leadership for Microsoft Security solutions. Serves as the primary technical contact for prospective customers, developing security strategies, delivering presentations, demonstrations, workshops, architecture sessions, trials, and proof-of-concepts. Collaborates with sellers, partners, and internal teams to overcome technical blockers, drive technical wins, tailor security recommendations, and improve customer security postures throughout the sales cycle.

Own field marketing and regional campaign execution across EMEA and APAC. Drive pipeline through regional events, localized global campaigns, account-based marketing, sales partnership, vendor and budget management, and performance reporting. The role requires coordinating multiple events and campaigns, adapting messaging for local markets, and traveling 10–20% across international regions.

Leads secure software architecture and development for scalable, cloud-native enterprise systems. Designs application security controls, frameworks, and threat-modeling practices; establishes coding and testing standards; oversees DevOps, monitoring, telemetry, and defect management. The role also provides technical direction for AI security initiatives, translates business requirements into secure solutions, and collaborates with cross-functional stakeholders to improve system resilience and data protection.

Defines and governs secure, resilient enterprise technology architecture across on-premises, hybrid, multi-cloud, data center, AI/ML, edge, and emerging technology environments. Establishes architecture standards, controls, guardrails, threat modeling, detection engineering, and secure runbooks. Leads modernization roadmaps, risk assessments, design assurance, and technical trade-off decisions while embedding security into DevOps and platform engineering. Partners with enterprise architects, cybersecurity, SOC, risk, legal, vendors, and technology teams, and provides architectural leadership and mentoring.

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.

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 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.

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%.

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.

Own the technical sales cycle from demonstrations and proof-of-concept engagements through technical wins. Partner with Sales, Product, and Engineering to develop deal strategies, deliver tailored demos, guide customer security and engineering teams, recommend architectures, address objections, and communicate technical and business value. Represent the company at customer meetings, events, and conferences, including travel.

Leads global cybersecurity architecture across IT and OT environments, including architecture roadmaps, standards, solution design, governance, technology improvements, risk remediation, threat intelligence, incident response, penetration testing, and cyber accreditation. Partners with stakeholders, suppliers, and technical authorities to improve resilience and security while supporting client cyber health-check services and periodically visiting operational sites.

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.

Own strategic post-sales relationships for enterprise customers adopting AI security and governance. Advise stakeholders from security practitioners to CISOs on AI environments, risks, governance, and use cases. Define measurable outcomes, drive platform adoption, support retention and expansion, and coordinate Product, Engineering, Security, Support, and customer operationalization teams. Translate complex AI security capabilities into practical strategies and communicate customer insights internally.

Provide hands-on technical leadership for post-sales customer deployments of an AI security and governance platform. Translate use cases into configurations, integrations, automations, workflows, and production-readiness plans. Diagnose complex technical issues, guide API and scripting integrations, lead customer workshops, create reusable runbooks, and coordinate escalations with Support and Engineering. The role partners across Customer Solutions, Product, Research, Security, and Support to drive scalable technical adoption.