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
Operations & Engineering
- 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
Collaboration & Transformation
- 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
Leadership & Mentorship
- 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
Technical Skills Required
- 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
Good to Have
- 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
Certifications (Preferred)
- Microsoft Certified: Windows Server Administrator or Azure Administrator
- MCSE or equivalent
What You Bring
- 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
