Top Cyber Security Jobs in Dublin

Lead technical response to security events across Twilios global cloud infrastructure: triage, contain, remediate, document incidents, create runbooks, automate workflows with SIEM/SOAR, participate in on-call rotation and RCAs, drive post-incident improvements, mentor teammates, and integrate AI-driven detections and threat intelligence.

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.

Responsible for identifying and securing new business opportunities, managing customer sales, building client relationships, supporting sales strategies, attending networking and industry events, providing target updates, gathering market intelligence, resolving customer issues, and leading operational initiatives that support business growth.

Own identity and endpoint security across the company, including SSO, MFA, access provisioning, access reviews, MDM, EDR, device security baselines, and IT workflows. Respond to identity and endpoint incidents, assess vendor and SaaS integration risks, support secure AI tool adoption, automate security processes, and help develop scalable security policies and controls.

Design, build, and maintain Chromium-based browser components in C++ across multiple layers. Harden browser isolation and network infrastructure using networking and HTTP security expertise. Build AI agent and MCP integrations, develop supporting tools in Python or Rust, and deploy cloud infrastructure with AWS, GCP, Kubernetes, and Terraform. Optimize high-scale systems and collaborate with product, security, and AI teams.

Owns an end-to-end product area within Menlo Security’s agent runtime security platform. Responsibilities include researching agent security, identity, protocols, and competitors; writing PRDs and acceptance criteria; managing backlogs; partnering with engineering through releases; prototyping with AI tools, MCP clients, and agent runtimes; tracking adoption and success metrics; enabling support and solutions engineering; and supporting customers, sales, marketing, and competitive positioning.

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.

Develop and implement security controls across backend systems, investigate incidents and anomalies, triage bug bounty submissions, conduct threat hunting, improve remediation processes, maintain security policies, and support access governance. The role requires hands-on coding, strong PHP knowledge, security awareness, clear communication with nontechnical teams, and ownership across a broad technology stack.

Own the technical sales cycle from demonstrations and proof-of-concept engagements through technical close. Partner with Sales, Product, and Engineering to develop deal strategies, deliver tailored technical presentations, understand customer security workflows, recommend architectures, address objections, and communicate business value. Represent the company at customer meetings, events, and conferences while serving as a trusted technical advisor to security and engineering stakeholders.

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.

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.

Own and improve the security posture of Kestra’s platform, infrastructure, and open-source ecosystem. Responsibilities include penetration testing, threat modeling, vulnerability management, remediation, cloud and Kubernetes hardening, security automation in CI/CD, code reviews, supply-chain risk assessment, incident response, and continuous monitoring.

Conduct outbound cold calls and emails, identify prospect needs, qualify marketing leads, develop new business opportunities, and meet sales targets. The role requires collaboration across sales teams, strong communication, territory organization, and expertise in the company’s AI product offering. Fluency in French and comfort engaging C-level stakeholders are essential.

Generates qualified enterprise pipeline across EMEA through cold calling, multichannel outreach, lead qualification, and meeting scheduling. Manages complex multinational accounts, tailors messaging to regional markets, and partners with field sales and channel partners. Uses Salesforce and AI tools for account research, outreach, CRM management, and call summaries. Supports field events, contributes effective outbound playbooks, and mentors newer BDRs. Occasional travel within EMEA is required.

Drives new SMB business across EMEA through cold outreach, lead generation, discovery, product demonstrations, proposal reviews, and full-cycle sales. The representative manages pipelines in Salesforce, builds prospect relationships, maintains active customer contracts, schedules meetings, exceeds quotas, and develops expertise in Keeper’s cybersecurity products.

Drives new business across the EMEA mid-market through cold outreach, lead generation, relationship development, product demonstrations, proposal facilitation, and full-cycle sales. The role manages customer pipelines, forecasts accurately, maintains active contracts, exceeds quotas, and uses Salesforce to track account activity. Candidates must have software sales experience, ideally selling identity and privileged access management solutions to IT organizations.

Own day-to-day security operations across endpoints, identity and access, cloud, and SaaS tools. Administer MDM, patching, encryption, access reviews, and joiner/mover/leaver processes; monitor alerts and investigate incidents; support Vanta evidence collection for SOC 2, ISO 27001, and ISO 42001; assist with vendor and customer security questionnaires; and provide practical desktop and device support.

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.

Conduct attacker-driven security research on Aave protocol changes, smart contracts, integrations, and critical dependencies. Review architecture and code before audits or deployment, identify exploitable protocol risks, contribute to AI-assisted security tooling, and translate findings into invariants, testing, monitoring, and incident-response improvements. Collaborate with engineers, auditors, and monitoring teams while communicating risk, severity, uncertainty, and trade-offs clearly.

Supports cyber and fraud threat intelligence by monitoring internal and external landscapes, conducting OSINT and deep/dark web research, investigating threat actors, identifying indicators of compromise, and producing actionable intelligence. The role partners with threat management teams, briefs stakeholders and executives, tracks geopolitical and emerging threats, improves risk management processes, and participates in an overnight and weekend on-call rotation.

Lead software security practices across the development lifecycle by building and tuning vulnerability detection tools, triaging findings, prioritizing risks, improving security processes, and partnering with development and security teams. The role includes automating security workflows, evaluating vulnerabilities and mitigations, tracking security metrics, and promoting best practices across product teams.

Lead software security lifecycle improvements by deploying and tuning vulnerability detection tools, triaging findings, prioritizing security risks, and standardizing security processes. Partner with development, release, and Cisco security teams to remediate vulnerabilities, measure security posture, and promote best practices. Automate security workflows using Go, Python, Bash, or Terraform, with opportunities to apply LLMs, fuzzing, DAST, Kubernetes, and cloud security expertise.