Senior Network Security Engineer - Zero Trust & Cloud IAM

NTT Ltd.; Sepang; On-site; MYR 180,000 - 300,000; Full time

Job summary

NTT DATA is seeking an Enterprise Security Engineer to own security across identity, cloud, and Zero Trust among Microsoft technologies. You will lead Entra ID/federation strategies, define CA enforcement, and govern PKI lifecycles in a global Enterprise environment.

The role focuses on securing Azure Landing Zone, ExpressRoute data flows, and Exchange Online Security while coordinating incident response and security reporting to senior leadership.

Qualifications

• Experience designing enterprise identity and security architectures.
• Strong knowledge of Zero Trust, CA enforcement, and MFA strategies.
• Familiarity with Azure Landing Zone, hybrid connectivity, and cloud security controls.

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.

Skills

Active Directory

Entra ID / Azure AD

ADFS

Azure AD B2C

LDAP

SAML/OAuth/OIDC

Azure Landing Zone

ExpressRoute

Azure Firewall

Zero Trust

Conditional Access

Microsoft 365 Security

Exchange Online Security

Trend Micro Email Security

Microsoft RMS

CyberArk EPM

CyberArk PAM

PKI / DigiCert

Email Encryption

Azure Monitor

Microsoft Defender

Advanced Security Analytics

CISSP (preferred)

AZ-500

SC-300

SC-200

Tools

Trend Micro Email & Cloud App Security

DigiCert PKI

Azure Monitor

Microsoft RMS

Job description

NTT DATA is seeking an Enterprise Security Engineer to own security across identity, cloud, and Zero Trust among Microsoft technologies. You will lead Entra ID/federation strategies, define CA enforcement, and govern PKI lifecycles in a global Enterprise environment.

The role focuses on securing Azure Landing Zone, ExpressRoute data flows, and Exchange Online Security while coordinating incident response and security reporting to senior leadership.