Top Cyber Security Jobs in Dublin

Design, build, and operate enterprise-scale infrastructure platforms; write and review production code; own reliability, performance, security, and cost; run on-call rotations and respond to incidents; use AI-native engineering practices to accelerate development and automation; collaborate on technical decisions and decompose ambiguous problems into production-ready systems.

Lead a small senior team designing, building, and operating enterprise-scale infrastructure platforms. Own architecture through production, write and review production code, run on-call rotations, establish AI-native engineering practices, ensure security and reliability, decompose ambiguous problems, measure outcomes, and collaborate with stakeholders to drive scalable, cost-effective infrastructure solutions.

Own and improve corporate security engineering controls across identity, endpoints, SaaS, and workforce infrastructure. Harden Okta and Google Workspace, operate endpoint security for macOS and other platforms, govern AI tool usage, reduce SaaS risk, and build Python, Bash, and Terraform automation. Partner with detection and response teams on telemetry, audits, access reviews, onboarding, offboarding, configuration drift, and incidents including phishing, account compromise, lost devices, and business email compromise.

Supports secure software development by executing security solutions, writing secure code, analyzing incident and vulnerability data, validating AI-assisted recommendations, and contributing to security testing, resiliency, continuity training, and control validation. The role requires knowledge of software development lifecycles, network and information security, IT risk, cloud technologies, and architectural concepts.

Lead a small senior engineering team to design, build, and operate enterprise-scale infrastructure platforms. Own architecture, production code, on-call incident response, observability, and AI-native engineering practices. Drive automation, set engineering standards and guardrails for agentic AI, measure outcomes, and partner with stakeholders to ensure reliability, security, and cost-effectiveness.

Lead Cloud Security Engineer responsible for designing and implementing secure cloud infrastructure, controls, threat models, and risk assessments. The role reviews infrastructure-as-code, develops security controls, analyzes vulnerabilities, integrates with security operations and access management, and writes or reviews production code. It requires expertise in public cloud platforms, Kubernetes, cloud security posture management, infrastructure-as-code, enterprise security architecture, and validated use of AI-assisted security workflows.

Designs and implements enterprise application security solutions, writes secure production code, performs code reviews, monitors vulnerabilities and regulatory guidance, and advises stakeholders on security risks. Builds scalable AWS cloud solutions using infrastructure as code, maintains audit-defensible controls, and applies AI-assisted development tools safely. The role also supports secure SDLC, CI/CD, application resiliency, and collaboration with senior business leaders across complex technology environments.

Develop, test, deploy, and maintain cloud security software and tooling for AWS public cloud environments. Build governance, protection, auditing, monitoring, remediation, and reporting solutions; automate security controls; scale services; conduct design and code reviews; and manage project deliverables. Collaborate across business functions, apply infrastructure as code and CI/CD practices, and responsibly validate enterprise-authorized AI-assisted security analysis and code recommendations.

Lead secure software engineering efforts by designing enterprise security solutions, developing and reviewing production code, conducting threat modeling and vulnerability and penetration testing, and improving security controls. The role uses authorized AI to accelerate security analysis and documentation while validating outputs, protecting sensitive data, and maintaining auditability. It also partners with stakeholders to address vulnerabilities and strengthen resiliency throughout the SDLC.

Build and operate cloud-native infrastructure security services used across the engineering organization. Responsibilities include designing distributed systems, improving scalability, reliability, performance, observability, and security, developing automation and tooling, participating in code and design reviews, supporting incident response and on-call operations, and collaborating with platform and product engineers. The role requires production experience with cloud-native systems, Python or Go, AWS, containers, Kubernetes, and secure multi-tenant architectures.

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.

Quota-carrying sales professional responsible for generating expansion revenue within existing managed services and support accounts. Identifies white-space opportunities, develops senior stakeholder relationships, builds pipeline, and manages deals from qualification through contract signature. Partners with service delivery, consulting, support, customer success, and Microsoft teams to position cloud, AI, data, security, modern work, and business application solutions. Owns account growth plans, forecasting, CRM accuracy, bookings, billings, win rate, and customer wallet share.

Leads enterprise product security across Google Cloud, AWS, AI applications, and software development. Designs security solutions, develops threat-modeling frameworks, conducts code reviews and vulnerability testing, integrates secure practices into the SDLC, and creates security policies. Triages threats, assesses risks, manages corrective actions, communicates findings to technical and executive stakeholders, and validates AI-assisted security recommendations for security, resiliency, data protection, and auditability.

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

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.

Lead design and implementation of secure data management in public cloud. Perform risk-based assessments for Data & AI/ML services, review infrastructure-as-code, advise engineering teams on controls, integrate with security operations, and mentor junior staff to maintain robust cloud security.

Manage EMEA Security Operations Center analysts supporting 24/7 incident investigation, containment, and response. The role owns regional shift coverage, operational processes, playbooks, quality assurance, analyst training, career development, and service-level performance. It partners with Product, Support, and security teams to improve workflows, automate analyst capabilities, operationalize new services, and track OKRs. The manager also provides technical leadership, stakeholder guidance, and participates in public speaking engagements.

Lead complex technology programmes spanning multiple projects, workstreams, customers, and internal teams. Own delivery from mobilisation and integrated planning through execution, transition, and closure. Establish governance, manage schedules, dependencies, risks, issues, resources, scope, and change control. Lead customer governance forums, executive communications, cross-functional teams, and matrix delivery resources while driving quality improvement, lessons learned, and successful programme outcomes.

Own technical direction and execution for major products and systems. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; remain hands-on with coding, prototyping, reviews, debugging, and production support. Drive architecture trade-offs, convert ambiguous problems into execution plans, improve engineering quality, lead critical initiatives, and mentor engineers across teams. The role is remote and requires strong English communication in a distributed international team.

The Staff Software Engineer will own technical direction and execution for major products and systems. Responsibilities include designing scalable and reliable architectures, writing production code, leading architecture decisions, solving complex technical problems, improving engineering quality, and mentoring engineers. The role requires hands-on software development experience, strong system design skills, and the ability to lead initiatives from concept through production in a distributed global team.

Lead investigations and incident response using SIEM and SOAR, design detection alerts, perform threat hunting across endpoints, network, application and logs, analyze compromises and malware, build playbooks and security tools, share findings to improve product/security posture, and mentor junior team members.

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 through testing, security, observability, and development practices while mentoring engineers across teams. The role is remote and requires effective collaboration across countries, time zones, and distributed teams.

Lead technical direction and hands-on execution for major software products and systems. Design scalable backend, frontend, API, database, and cloud solutions; write and review code; resolve production issues; make architecture trade-offs; improve engineering quality; lead critical initiatives; and mentor engineers across distributed international teams.

Owns technical direction and execution for major products and systems. Designs scalable backend, frontend, API, database, and infrastructure solutions; writes code; leads architecture decisions; resolves production issues; improves engineering quality; and mentors engineers across teams. The role requires hands-on leadership across complex, high-scale systems in a globally distributed organization.