IT Security Engineer #IDO
Summary
IT Security Engineer owning enterprise security engineering across identity, cloud, messaging, PKI, and Zero Trust architecture, with core technologies including Microsoft Entra ID, Azure, CyberArk, and Microsoft 365 security stack.
Owns enterprise security engineering across identity, cloud, messaging, PKI, and Zero Trust architecture. Responsible for security design, governance enforcement, advanced incident handling, and strategic hardening initiatives.
Key Responsibilities
- Design and govern enterprise identity security architecture
- Lead Entra ID and federation security strategy
- Architect and enforce Zero Trust policies
- Secure Azure Landing Zone and hybrid connectivity
- Govern ExpressRoute and Private Link data flows
- Review and approve Conditional Access framework
- Lead PKI governance and certificate lifecycle strategy
- Define Microsoft 365 security architecture standards
- Oversee email security, encryption, and RMS controls
- Lead advanced threat investigations and root cause analysis
- Coordinate security incident response at enterprise level
- Ensure compliance with IT Security Governance Framework
- Define hardening baselines for identity and cloud systems
- Manage CyberArk EPM & PAM and custom connector
- Provide executive-level security reporting
- Drive security improvement roadmap initiatives
- Support audit reviews and compliance assessments
- Mentor L1 and L2 security team members
- Validate new workload onboarding against Zero Trust standards
- Conduct periodic security posture assessments
- Ensure alignment with ISMS and governance policies
- Any other ad-hoc duties as assigned by supervisors
Required Skills
- Active Directory (Multi-Forest), ADFS, Microsoft Entra ID, Azure AD B2C
- Microsoft Identity Manager, Azure AD Connect
- LDAP, SAML, OAuth, OIDC, WS-Fed
- Azure Landing Zone, Hub-and-Spoke Network Model
- ExpressRoute, Azure Firewall, Private Link & Private Endpoints
- Conditional Access Enforcement & Zero Trust Architecture
- Microsoft 365 Security Architecture & Exchange Online Security
- Trend Micro Email & Cloud App Security, Microsoft RMS
- CyberArk EPM & PAM
- DigiCert Managed PKI, Enterprise Certificate Lifecycle Governance
- Email Encryption & Digital Signing
- Azure Monitor, Log Analytics, Microsoft Defender
- Advanced Security Analytics
- Preferred: CISSP, AZ-500, SC-300, SC-200
Interested applicants, please email your resume to Douglas Tan Yu Feng
Email: douglastan@recruitexpress.com.sg
CEI Reg No: R26160004
EA Licence No: 99C4599
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