Top Cyber Security Jobs in Dublin

Lead security advocate for Data Commercialization and AI initiatives: advise product and engineering teams on secure design, enforce security governance (threat modeling, architecture/code reviews, vulnerability management), translate policies into actionable controls, embed security in SDLC/DevSecOps, and drive protection of data and ML models across cloud, data pipelines, and AI solutions.

Lead security engineer advising product and ops teams on secure design, reviewing and improving security standards and procedures, leading security for large global initiatives, presenting technical recommendations, and implementing cryptographic, network, and systems security controls while driving automation and process improvements.

Lead the Business Security Enablement guild to advise on secure design, lead large global initiatives, document and enhance security standards, present technical recommendations, and ensure compliance with security policies and regulatory requirements.

Lead security engineering for Data & AI initiatives: advise product and engineering teams, translate security policies into actionable controls, lead security reviews and threat modeling, embed security into SDLC and CI/CD, drive vulnerability management, and promote security-first culture across global teams.

Lead security partner for Data Commercialization and AI programs. Advise on secure design, embed security in SDLC, lead threat modeling and architecture reviews, enable DevSecOps, manage vulnerabilities, and drive security standards, training, and automation across data and AI initiatives.

As the Lead Program Security Engineer, you'll ensure security within Mastercard's Data and AI initiatives by implementing secure practices, architecture, and risk management across teams and products.

Lead security partner for Data Commercialization and AI programs: advise on secure design, translate policies into actionable guidance, lead security reviews (threat models, code/design reviews), embed controls in SDLC, support vulnerability management, and drive security automation and standards across data and AI platforms.

Lead security engineer for Data & AI programs who partners with product, engineering, and business teams to embed security across SDLC. Responsibilities include security reviews, threat modeling, cryptography and cloud security guidance, DevSecOps enablement, compliance with standards (PCI, NIST, ISO), vulnerability management, and driving security-first culture and tooling automation.

Lead security engineer advising product and operational teams on secure design, standards, and reviews. Lead security on large global initiatives, document and enhance security procedures, present technical/business findings, recommend solutions to meet security and regulatory requirements, and drive automation and process improvements.

Lead security engineer advising product and operational teams on secure design, standards, and review processes. Lead security for large global initiatives, document and enhance security standards, present technical guidance, recommend solutions to meet security and regulatory requirements, and support automation, scripting, and Linux-based security operations.

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.

Serve as a senior network security domain authority to define network engineer personas and workflows, advise product and AI teams, validate agent behaviors across firewall, cloud/SASE, policy management, compliance, vulnerability management, and troubleshooting, and help build realistic enterprise test scenarios.

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.

Join the Server Ingress Security team to enhance MongoDB's security. Responsibilities include designing and implementing security services in Rust, and collaborating across teams to maintain security and performance of database services.

Design and build security solutions for MongoDB Atlas multi-cloud infrastructure, ensuring high security standards while collaborating with engineering teams.

Lead design and development of low-level Linux instrumentation and eBPF-based runtime security features for detection, monitoring, and workload protection. Drive architecture, implement performance-sensitive systems, establish testing methodologies, deliver end-to-end features, and provide technical leadership and cross-team collaboration across Datadog's security products.

Talent-network posting to collect engineers for future openings across full-stack, backend (Golang), frontend (React), mobile (iOS/Android/React Native), blockchain, AI, DevOps, security, data, and QA. Applicants should state domain, core technologies, location/time zone, and share links to profiles or projects. Fully remote; must have right to work in the country you are based.

Triage, investigate, and remediate security alerts using EDR telemetry, logs, and forensic artifacts. Perform tactical malware analysis and Microsoft 365/cloud investigations, contribute to detection engineering, escalate SOC issues, and support projects to improve analyst outcomes and partner security.

The Security Automation Engineer designs and implements automation frameworks for security operations, focusing on compliance and scalable security controls for Managed Services platforms.

The Lead Engineer will develop and operate security services in Rust, ensuring database security and performance while collaborating across teams to enhance MongoDB's security capabilities.

Design, build, operate, and support resilient distributed platform services. Write maintainable code, troubleshoot production issues, improve reliability and observability, and assist internal teams. Participate in on-call rotations and collaborate on platform evolution.

Lead end-to-end delivery of hyperscale data centre projects onsite, managing design, construction, commissioning and close-out. Serve as key client interface, coordinate vendors and stakeholders, ensure compliance with safety/quality/environmental standards, control costs/schedule, and produce regular progress and risk reports.

Design, build, and operate distributed, high-volume transactional backend services in Go. Own scope, architecture, correctness guarantees, production behavior, observability, and automated verification. Collaborate across product, infra, and QA while using agent-driven engineering practices.

Execute and manage IT audit activities, assess controls and regulatory compliance (SOX, GDPR, ISO, NIST), run control testing, use GRC tools for evidence tracking, perform IT risk assessments, manage third-party risk, coordinate with auditors and stakeholders, and provide actionable security and compliance insights to leadership.