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NT
Nttlimited

Network Security Engineer (L3)

LocationCyberjaya, Malaysia
SenioritySenior
Company size10,000+ people
PostedOct 12, 2026 · 19h ago
Verified live14h ago
At a glanceSummarised by Seekless from the posting.
Owns enterprise security engineering across identity, cloud, messaging, PKI, and Zero Trust architecture
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
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
CISSP, AZ-500, SC-300, SC-200
Skills
Active Directory
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
Exchange Online Security
Trend Micro Email & Cloud App Security
Microsoft RMS
CyberArk EPM
CyberArk PAM
DigiCert Managed PKI
Email Encryption
Digital Signing
Azure Monitor
Log Analytics
Microsoft Defender
Advanced Security Analytics
About the company
Continue to make an impact with a company that is pushing the boundaries of what is possible. At NTT DATA, we are renowned for our technical excellence, leading innovations, and making a difference for our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can continue to grow, belong, and thrive.
Your career here is about believing in yourself and seizing new opportunities and challenges. It’s about expanding your skills and expertise in your current role and preparing yourself for future advancements. That’s why we encourage you to take every opportunity to further your career within our great global team.
Position Overview
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
Requirements
Requirements
•
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
Workplace type:
Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Accelerate your career with us. Apply today
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