Top Cyber Security Jobs in Dublin

Design and implement scalable threat detection, investigation, and automated response capabilities for Datadog Cloud SIEM. Research attacker techniques, build high-fidelity detection content across cloud, identity, endpoints, and networks, and improve AI-assisted SOC workflows. Own detection lifecycle from research to deployment, collaborate with Product and Engineering, mentor engineers, and contribute to security research and open-source initiatives.

As a Software Engineer on the Infrastructure Security team, you will design, build, and maintain cloud-native security services, improve system efficiency, and collaborate with engineers to ship secure software.

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

The Senior Software Engineer in Infrastructure Security will design and build foundational security solutions, improve system scalability and performance, mentor team members, and participate in on-call duties to enhance Klaviyo's infrastructure 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 Senior Network Security Engineer designs and implements network security architectures, standardizes firewall platforms, and ensures secure connectivity across hybrid and multi-cloud platforms while leading incident response efforts.

Join Notion's Detection and Response team as a Security Operations Engineer, focusing on investigating security events and mentoring junior engineers, ensuring operational excellence in security practices.

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.

The Senior Information Security Engineer at Mastercard will manage Shadow IT risk, govern strategies, and enforce security policies to protect data while enabling business decisions.

The Senior Product Security Engineer at Toast focuses on application security, vulnerability remediation, and building secure software development practices while collaborating with teams to enhance security awareness and practices.

Join the Server Ingress Security team to design and implement security services in Rust, ensuring the security and performance of MongoDB’s ingress networking.

Drive cloud security initiatives for MongoDB Atlas, perform security reviews, design cloud architectures, and mentor engineers, focusing on pragmatic guidance and actionable improvements.

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.

Support cloud security by managing IAM across tools, maintaining security tooling and monitoring, investigating alerts, reviewing Terraform PRs for secure deployments, and tracking threat intelligence while learning cloud-native security practices.

The Director of Customer Support at Vectra will lead and develop global technical support teams, ensure high standards for customer satisfaction, and implement support strategies that improve performance and customer retention.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

The Lead Engineer will manage a team, contribute to system design and code, and collaborate with stakeholders while focusing on cloud database security features.

The Principal Security Engineer advises developers on integrating security into the development lifecycle, focusing on threat modeling, governance, and building effective security practices to enhance software delivery.

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 end-to-end SaaS implementation projects for foundations and nonprofits: plan, coordinate resources, run discovery and workshops, manage data migrations and integrations, validate solutions, oversee UAT, communicate with stakeholders, and transition customers to support while improving implementation processes.

Drive partner-led pipeline and joint business plans with strategic partners; manage partner relationships and stakeholder engagement up to CXO level; recruit/onboard partners, create GTM playbooks, track KPIs (revenue, deal registration, certifications, upsell/cross-sell), and collaborate with sales and marketing to grow SUSE’s market presence.

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.

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

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.

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.