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
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
Über uns
Cognizant (Nasdaq: CTSH) ist ein Anbieter von KI-gestützten Lösungen und Technologiedienstleistungen. Wir schlagen die Brücke zwischen KI‑Investitionen und messbarem Unternehmenswert, indem wir Full‑Stack‑KI‑Lösungen für unsere Kunden entwickeln. Unsere tiefgehende Branchen‑, Prozess‑ und Engineering‑Expertise ermöglicht es uns, den individuellen Kontext einer Organisation in Technologiesysteme zu integrieren, die menschliches Potenzial verstärken, greifbare Ergebnisse erzielen und globale Unternehmen in einer sich schnell verändernden Welt an der Spitze halten. Mehr erfahren Sie unter www.cognizant.com oder auf @cognizant.
Zusätzliche Informationen zur Beschäftigung
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