Senior Identity Security Engineer

The Senior Identity Security Engineer within the Cyber Engineering & Architecture function, will be responsible for the lifecycle, performance, and strategic direction of the organisation’s identity security and identity and access management (IAM) platforms and services, including Privileged Access, to ensure digital identities (employees, contractors, machines) are properly managed, secured, and governed and access to our customer's systems are appropriate protected. This role will have ownership of identity security policies, standards, architectures and technologies to deliver identity services, including oversight of the management and operations of Identity platforms and critical infrastructure (Active Directory & MS Entra).  

This is a hybrid role, so the successful candidate will be expected to attend the office in Dublin at least once a week.

Key responsibilities & duties include:

• Own identity security policies, standards and architecture patterns across AD, Entra, PAM, and IAM/IGA services.
• Lead program of continuous improvements of identity security controls, PAM and IAM lifecycle processes, enabling self-service and scalable services through automation
• Own security posture management for Active Directory and Entra configurations and infrastructure, treating identity as a critical enterprise asset.
• Lead design and governance of identity lifecycle management processes and controls for employees, contractors, third parties and non‑human identities.
• Own privileged access management requirements and secure patterns as part of identity services (privileged access lifecycle, role design, access reviews).
• Lead the engineering and governance of IAM workflows via SailPoint (access requests, provisioning/deprovisioning, certifications/access reviews, RBAC/role models).
• Provide SME support during incidents relating to identity compromise, privileged access misuse or access control failures, and drive root‑cause remediation.
• Ensure alignment with compliance requirements & regulations 
• Stay informed of threats facing the organization to proactively drive ongoing improvements in our overall identity risk posture
• Partner with technology teams to embed secure-by-design identity patterns into applications and platforms (authentication, authorisation, SSO patterns).
• Collaborate with Cyber Defence to ensure identity telemetry and signals support detection and response use cases.
• Maintain identity security blueprints, standards and documentation to support consistent implementation and audit readiness.
• Provide direction and oversight to third party providers that are supporting and operating identity services and platforms
• Collaborate with IT and support teams, to continually identify opportunities to automate identity or access related tasks, removing the needs for privileged access into AD

Required Experience:

• Minimum of 12 years’ industry experience with at least 8 years in identity hands-on roles.
• Proven technical experience with Active Directory and Entra (Azure AD) in enterprise environments and maintaining secure configuration and posture of same.
• Hands‑on experience designing, implementing and governing identity lifecycle and access lifecycle processes using an IGA platform  
• Experience designing & implementing privileged access management controls and processes
• Experience implementing zero trust patterns and controls
• Relevant certifications e.g., Microsoft identity/security, CISSP/CISM/CIAM/CRISC
• Strong understanding of IAM principles including least privilege, RBAC, access reviews/certifications, segregation of duties concepts and lifecycle governance.
• Ability to define secure identity architecture patterns and translate them into practical standards and blueprints.
• Strong automation mindset with scripting/workflow capability (e.g., PowerShell or equivalent) to reduce manual processes and improve control reliability.
• Strong stakeholder management skills across HR, IT, application and security teams.
• Engineering experience with Identity Protection, IAM, and governance e.g. SailPoint, CyberArk, BeyondTrust, MS Defender for Identity, Crowdstrike Identity, SilverFort

Desirable skills:

• Experience with identity threat detection concepts and integration with SOC monitoring.
• Experience with non‑human identity governance patterns and modern authentication protocols.