Active Directory SME

Bengaluru, India | Onsite | Full-time | 7–10 Years Experience

About The Role

We are a leading global financial institution looking for a seasoned Active Directory Subject Matter Expert to join our enterprise infrastructure team in Bengaluru. This is a senior technical role that demands deep expertise across directory services, identity management, and core Windows infrastructure — combined with the leadership presence to guide and mentor a high-performing team.

You will be responsible for the stability, security, and scalability of our Active Directory environment while playing a key role in transformation, migration, and modernisation initiatives across the organisation.

What You Will Do

Infrastructure Management

• Manage and maintain Active Directory infrastructure including domain controllers, forests, trusts, and replication
• Administer and troubleshoot DNS and DHCP services to ensure high availability and consistent performance
• Design, implement, and manage Group Policies (GPOs) to enforce security and operational standards across the environment
• Deploy and manage Public Key Infrastructure (PKI) and Microsoft Certificate Services throughout the certificate lifecycle
• Administer and support Distributed File System (DFS) for data replication and access management
• Manage Microsoft Key Management Services (KMS) to ensure licensing compliance
  
  

• Perform root cause analysis and advanced troubleshooting for complex infrastructure-related issues
• Automate administrative tasks and operational workflows using PowerShell scripting
• Monitor system performance, availability, and capacity to ensure proactive infrastructure health
• Ensure adherence to security best practices and regulatory compliance standards
  
  

• Collaborate with cross-functional teams on migrations, upgrades, and enterprise transformation initiatives
• Support planned change activities to minimise risk and operational disruption
• Contribute to documentation, SOPs, and knowledge base maintenance
  
  

• Act as the technical lead and go-to SME for the team on all Active Directory and identity-related matters
• Provide guidance and mentorship to junior and senior engineers
• Engage with stakeholders at all levels with clarity, confidence, and ownership
  
  

• Active Directory (ADDS) — Architecture, design, upgrade, and migration
• DNS & DHCP — Configuration, troubleshooting, and optimisation
• Group Policy (GPO) — Design, implementation, and troubleshooting
• PKI & Certificate Services — Deployment and full lifecycle management
• DFS — Namespaces and replication
• Microsoft KMS — Setup and ongoing maintenance
• PowerShell — Advanced scripting and automation
• Windows Server — 2016 / 2019 / 2022 administration
  
  

• Experience with Azure AD and Hybrid Identity environments
• Knowledge of Active Directory security hardening and auditing tools
• Exposure to ITIL processes — Incident, Change, and Problem Management
• Hands-on experience in migration, consolidation, or infrastructure transformation projects
  
  

• Microsoft Certified: Windows Server Administrator or Azure Administrator
• MCSE or equivalent
  
  

• 7–10 years of progressive experience in enterprise Active Directory and Windows infrastructure environments
• Strong problem-solving and analytical capabilities with a structured approach to troubleshooting
• Excellent communication and stakeholder management skills
• Ability to lead with authority and collaborate with humility in a fast-paced enterprise setting
• A disciplined, security-conscious mindset with a commitment to operational excellence