Security Engineer L3 (1-year renewable contract) #IAC

RECRUIT EXPRESS PTE LTD; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

RECRUIT EXPRESS PTE LTD is seeking an enterprise identity security architect to design and govern security architecture across on-prem and cloud environments. You will lead Entra ID federation security strategy and architect Zero Trust policies to safeguard our enterprise assets.

Responsibilities include securing Azure Landing Zone, ExpressRoute, certificate lifecycle, and Microsoft 365 security. You will mentor security staff and drive incident response coordination with executive reporting.

Qualifications

• Degree in IT or related discipline.
• Experience with Active Directory (Multi-Forest) and ADFS.
• Strong knowledge of Entra ID, Azure AD B2C and MIM.

Responsibilities

• Design and govern enterprise identity security architecture.
• Lead Entra ID and federation security strategy.
• Architect and enforce Zero Trust policies.

Education

Degree in IT or related discipline

Tools

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

ExpressRoute

Azure Firewall

Private Link & Private Endpoints

Conditional Access

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

Job description

Job 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 supervisor

Requirements

• Degree in IT or related discipline
• 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