Job Description

Singapore, Singapore

Company: Singtel Group

At Singtel, our mission is to Empower Every Generation. We are dedicated to fostering an equitable and forward-thinking work environment where our employees experience a strong sense of Belonging, to make meaningful Impact and Grow both personally and professionally. By joining Singtel, you will be part of a caring, inclusive and diverse workforce that creates positive impact and a sustainable future for all.

Be a Part of Something BIG!

At Singtel, we\'re working on projects that push the boundaries of digital, realising our vision and purpose to Empower Every Generation. We have a dynamic and diverse team, with a passion for innovation, and talent to deliver cutting-edge digital solutions and immersive customer experience.

In Group IT, we create great technology that can change the future, and we\'re looking for people to be part of our digital and 5G journey. If you like to work in a dynamic, leading communications technology group to deliver innovations and excellence across the region, come join our digital, software engineering, data, and cyber security teams!

The Senior Engineer will be responsible to transform and modernise Enterprise IT Workplace Services, with primary focus in Singtel\'s corporate Active Directory and Public Key Infrastructure Services. To implement, modernize and manage the Active Directory and PKI infrastructure and strengthen the foundation for holistic user identity management on the corporate network.

He/She will interface with other architectural and security teams to ensure these services are integrated with overall enterprise infrastructure architecture. He/She works closely with Application teams, Infrastructure team by having a close alignment with the Identity Solution Architect.

Make an Impact by

• Implement tasks and activities to modernise and produce enterprise-level Microsoft Active Directory architecture, sites & replication, trust relationships, administrative management, global system security, policy configuration (GPOs), and PKI implementation.
• Implement related AD-services such as AD-DNS, DHCP, PKI with integration to other infra services (such as monitoring, logging) and applications (such as Microsoft System Center Configuration Manager (SCCM), Microsoft Exchange, Microsoft 365).
• Implement AD authentication integration for user SSO (single sign-on) using ADFS, SAML, OAUTH, LDAPS, Kerberos, etc and MFA support (MS Authenticator, SilverFort, etc).
• Plan and implement privileged access management in Azure AD admin roles.
• Implement Azure Active Directory services (authentication, authorization and Conditional Access) for Singtel hybrid multi-cloud environment, i.e. Azure Landing Zone.
• Engage with other domain stakeholders to collaborate on efficient and secure AD integration approaches for their application requirements.
• Setup and continuously improve AD related services governance framework.
• Drive automation initiatives together with Identity Solution Architect on AD to increase efficiency of operations team and to detect abnormal behaviour of the systems.
• Provide expert advisories to operations team for continuous improvements in effectiveness of service monitoring, security-compliance, integrity, and availability of AD Services.
• Lead the BAU Operations team to improve existing processes through solutions to recurring problems and enhancements to existing solutions or documentation.
• Ensure Active Directory and PKI services are complied with Singtel policies, standards and operational guidelines.
• Provide guidance, training & advice to operations team to drive operational excellence
• Support Audit topics related to AD, PKI and MFA services with evidence as and when required.

Skills for Success

• At least 10 years of experience in designing and implementing Microsoft Identity technologies including Active Directory, CA-PKI, and Group Policies for large enterprises with more than 10,000 users.
• Sound knowledge in administering Active Directory (AD) and GPO\'s, ADFS, PKI technologies.
• Expert knowledge of DNS, DHCP, WINS, DFS, Microsoft enterprise technology.
• Must have deep and thorough understanding of monitoring best practices, and compliance to best practices for security and operations.
• Develops architecture documents and standards for AD-related areas
• Knowledge of server virtualization technologies, preferably VMware and/or Microsoft technologies
• Expert knowledge of MS Active Directory, user identity management principles and deployment, MS Active Directory integration with other applications through SSO
• Expert in operating PKI infrastructure, handling AD and PKI migration
• Expert in Azure AD roles, conditional access policies, B2B trust setup, B2C trust setup.
• Expert in handling business counterparts and simplify the requirements to technical solutions.
• Expert in leading BAU operation teams.

Rewards that Go Beyond

• Hybrid work arrangements
• Full suite of health and wellness benefits
• Ongoing training and development programs
• Internal mobility opportunities

Your Career Growth Starts Here. Apply Now!

We are committed to a safe and healthy environment for our employees & customers and will require all prospective employees to be fully vaccinated.

Singtel