Network Security Engineer (L3)

NTT Ltd.; Sepang; Presencial; MYR 180 000 - 300 000; Tempo integral

Resumo da oferta

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.

Qualificações

• 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.

Responsabilidades

• 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.

Conhecimentos

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

Ferramentas

Trend Micro Email & Cloud App Security

DigiCert PKI

Azure Monitor

Microsoft RMS

Descrição da oferta de emprego

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

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

• 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:

About NTT DATA

NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune

Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

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. Join our growing global team and accelerate your career with us.