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Origina

Information Security Lead – Cyber

Origina

. Act as Origina's senior technical and operational cyber-security lead and principal deputy to the Head of Information Security .

Posted 9/17/2026full-timeDublin • IrelandSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in Cyber-Security, focusing on incident response, vulnerability management, and security monitoring, with a strong emphasis on Microsoft technologies and Zero Trust principles. Capable of providing security architecture guidance and embedding security practices throughout the development lifecycle.

Highest-signal resume keywords
Microsoft Sentinel/SIEM ExpertiseIncident Response ManagementZero Trust Security ImplementationVulnerability ManagementISO 27001 Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Cyber-Security ExperienceSecurity MonitoringThreat AnalyticsApplication SecurityDevSecOpsAI Security ControlsVulnerability TestingSecurity ArchitectureCloud SecurityIncident Investigation
Soft Skills
Effective CommunicationIndependent OperationStakeholder Engagement
Tools & Technologies
Microsoft EntraMicrosoft DefenderMicrosoft PurviewAzureAI GovernanceSASTSCADASTCI/CD SecuritySecurity Runbooks
Certifications & Qualifications
CISSPCISMCCSPSC-100SC-200AZ-500ISO 27001 Lead
Industry Keywords
Zero TrustCyber EssentialsISMSRisk AssessmentBusiness Impact AnalysisDisaster RecoverySecurity AssuranceVulnerability ScanningPenetration TestingSecurity Governance

Tech Stack

Tools & technologies
AzureCloud

About the role

Key responsibilities & impact
  • Act as Origina's senior technical and operational cyber-security lead and principal deputy to the Head of Information Security
  • Lead day-to-day security monitoring, investigation and technical incident response
  • Operate and improve Microsoft Sentinel/SIEM, Defender XDR and associated monitoring capabilities
  • Maintain detection, alerting, threat analytics and escalation processes
  • Provide security architecture expertise across Microsoft 365, Azure, SaaS, endpoints and applications
  • Lead technical implementation across Entra ID, Conditional Access, Zero Trust, privileged access, Defender, Purview and Global Secure Access
  • Coordinate vulnerability scanning, penetration testing and remediation
  • Assess emerging threats and Origina's exposure to significant vulnerabilities
  • Lead technical investigation, containment, recovery and root-cause analysis during incidents
  • Maintain security runbooks and track corrective actions
  • Embed security throughout the development lifecycle with Development and Product teams
  • Conduct threat modelling and security architecture reviews
  • Support SAST, SCA, DAST, secrets management, API security, CI/CD security, logging and vulnerability testing
  • Support production security gates and security-exception management
  • Implement AI security controls and support AI governance
  • Review AI applications, agents, identities, permissions and data access
  • Support human-in-the-loop controls, AI monitoring and shadow-AI discovery
  • Assess prompt-injection, data-leakage and excessive-permission risks
  • Support Agent 365, Purview DSPM for AI and relevant Defender capabilities
  • Escalate higher-risk AI use cases and exceptions
  • Support ISO 27001, Cyber Essentials and ISMS activities
  • Maintain technical evidence for audits and assurance
  • Support risk assessments, customer security reviews, contractual requirements and vendor assessments
  • Provide practical security guidance across the business
  • Support Business Impact Analysis, Disaster Recovery, continuity exercises and resilience testing
  • Act as delegated security or continuity lead when required
  • Represent the security function in operational, architecture, development and customer discussions in the Head's absence
  • Escalate material risks, policy exceptions and significant incidents appropriately

Requirements

What you’ll need
  • Significant hands-on information and cyber-security experience; approximately 10 years
  • Strong Microsoft Entra, Defender, Purview, Azure and Sentinel/SIEM expertise
  • Strong incident-response, vulnerability-management and security-monitoring experience
  • Zero Trust, identity and cloud-security expertise
  • Application security, DevSecOps and secure-development experience
  • ISO 27001/GRC and security-assurance knowledge
  • AI security and governance experience or strong transferable cloud/application-security expertise
  • Ability to operate independently and communicate effectively with technical, customer and senior stakeholders
  • At least one of: CISSP, CISM, CCSP, SC-100, SC-200, AZ-500, ISO 27001 lead and equivalent technical experience

Benefits

Comp & perks
  • Competitive compensation that rewards achievement
  • Hybrid, flexible working model
  • Family Health, Dental & Vision Insurance from day 1
  • Life insurance & Income Protection
  • 23 days Annual Leave plus 2 company days with additional days earned based on your tenure
  • Generous Maternity & Paternity leave policies
  • 6% Pension match
  • €200 annual wellness benefits
  • €1,000 professional development benefit
  • Flexibility of working remotely from anywhere for up to 4 weeks per year
  • A dedicated Volunteer Day to give back to your community and support meaningful causes
  • Employee Assistance Programme
  • An inclusive environment with regular events organised by Engagement, and Diversity Committees