Top Cyber Security Jobs in Dublin

Lead architecture and design of a cloud-native, high-volume dispute platform. Provide technical authority, drive engineering excellence, embed PDLC discipline, apply AI/automation to engineering workflows, partner across teams, and mentor engineers to deliver reliable, secure systems at scale.

Own and evolve Mastercard's Data & AI platform and products: define roadmaps, treat data as a product, lead cross-functional teams, ensure governance and compliance, operationalize agentic AI and HITL workflows, translate regional requirements, and deliver scalable, high-quality data products.

The role involves enhancing MongoDB’s database security through ownership of security initiatives, promoting best practices, and collaborating with engineering teams on security architecture. Responsibilities include threat modeling, conducting security assessments, and educating the organization on security matters.

Lead security architecture and strategy for Mastercard's blockchain platforms. Drive threat modeling, risk assessments, Secure-SDLC adoption, embedding security in CI/CD, APIs, and cloud services. Partner with engineering, product, and compliance teams to implement controls, meet regulatory standards, mentor engineers, and represent Corporate Security in cross-functional initiatives.

Lead security architecture and strategy for Mastercard's blockchain platforms. Drive threat modeling, risk assessments, and Secure-SDLC practices. Embed security into CI/CD, APIs, cloud and blockchain components. Advise stakeholders, mentor engineers, and ensure compliance with frameworks like SOC 2, PCI DSS and DORA while balancing security and business needs.

Lead security architecture and roadmap for Mastercard's blockchain payment platforms. Perform threat modeling, risk assessments, and security design reviews. Embed security into CI/CD, APIs, cloud and blockchain components. Advise engineering and product teams, mentor engineers, liaise with stakeholders, and ensure compliance with regulatory and industry frameworks.

Lead security architecture and strategy for Mastercard's blockchain payment platforms. Drive threat modeling, risk assessments, and secure design reviews. Embed security into CI/CD, APIs, cloud, and blockchain components. Guide compliance (PCI DSS, SOC 2, DORA, CRI), mentor engineers, influence product and business leaders, and represent Corporate Security across cross-functional and regulatory initiatives.

Lead security architecture and strategy for Mastercard's blockchain payments platforms. Drive threat modeling, risk assessments, and security design reviews; embed security into CI/CD, APIs, cloud services, and blockchain components. Influence cross-functional teams, mentor engineers, and ensure compliance with frameworks like SOC 2 and PCI DSS. Represent Corporate Security in regulatory and product discussions.

Lead security architecture and strategy for Mastercard's blockchain payment platforms. Drive threat modeling, risk assessments, secure-by-design practices, and embed security into CI/CD, APIs, cloud and blockchain components. Advise and mentor engineering teams, liaise with product and regulatory stakeholders, and ensure compliance with SOC 2, PCI DSS, DORA and industry frameworks.

Lead security architecture and strategy for Mastercard's blockchain payments platforms. Drive threat modeling, risk assessments, secure-by-design practices, embed security into CI/CD, partner with engineers and product teams, and ensure compliance with regulatory/security frameworks.

Lead security architecture and strategy for Mastercard's blockchain payment platforms. Drive threat modeling, risk assessments, Secure-SDLC adoption, and embed security into CI/CD, APIs, cloud and blockchain components. Advise engineering and product teams, mentor security staff, collaborate with compliance and auditors, and shape regulatory and platform-level security requirements.

Lead security architecture and strategy for Mastercard's blockchain payment platforms. Drive threat modeling, risk assessments, and security-by-design across CI/CD, APIs, cloud, and blockchain components. Influence engineering and product teams, embed controls into Secure-SDLC, ensure regulatory compliance (SOC2, PCI DSS, DORA, CRI), mentor security staff, and partner with stakeholders on remediation and governance.

Lead security strategy and architecture for Mastercards blockchain platforms. Drive threat modeling, risk assessments, and security-by-design for high-availability systems. Embed security into CI/CD, APIs, cloud and blockchain components, partner with engineering and product teams, ensure compliance with regulatory frameworks, and mentor security engineers.

Lead security architecture, risk assessments, and threat modeling for Mastercard's blockchain platforms. Define security requirements, embed security into CI/CD, cloud, APIs and blockchain components, guide compliance (SOC2/PCI/DORA/CRI), mentor engineers, and advise stakeholders on secure-by-design implementations and remediation strategies.

The Lead Security Engineer advocates secure design practices within Mastercard, leading complex security initiatives, providing expert guidance, and ensuring compliance with security policies and standards.

The Lead Cryptographic Security Engineer is responsible for guiding secure cryptographic implementations, advising teams, and enhancing security posture through governance of key management standards.

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 advocate for Data Commercialization and AI programs. Advise product and engineering teams on secure design, translate security policies into actionable guidance, lead security reviews and governance (threat modeling, code/design reviews, 3rd-party assessments), embed security in SDLC and CI/CD, and drive protection of sensitive data and ML models through automation and standards compliance.

Lead information security architect providing security design and cryptography guidance across web, mobile, cloud, and payment systems. Define security requirements, roadmap, and compliance paths (PCI/FIPS/ISO); advise on encryption, key management, TLS, HSMs, PKI, blockchain and stablecoin topics; research emerging technologies and translate security requirements to engineering teams.

Lead security engineer advising product and operational teams on secure design, review processes, and standards. Lead security for large global initiatives, document and enhance security procedures, recommend solutions to meet security and regulatory requirements, and present technical/business security guidance.

Lead security engineer responsible for defining and executing security architecture and cryptographic standards. Provide secure design guidance for applications and cloud/on-prem systems, drive compliance with security frameworks, advise on encryption, key management, TLS and PKI, research emerging technologies, and partner with application teams to achieve long-term compliance and secure implementations.

Lead security partner for Data & AI programs who advises product and engineering teams on secure design and delivery, translates policies into actionable controls, leads threat modeling and architecture/code reviews, drives DevSecOps and vulnerability management, and champions data/AI protection, cryptography, and regulatory compliance across global initiatives.

Lead security partner for Data Commercialization and AI programs. Advise product and engineering teams on secure design, embed security in the SDLC, lead security reviews (threat models, architecture, code), translate policies into actionable controls, and improve protections for sensitive data and ML models through tooling, automation, and risk management.

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 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.