Role & responsibilities

Role Summary

The Active Directory & Exchange L3 Engineer is responsible for the design, administration, troubleshooting, and optimization of Active Directory, Exchange Server/Exchange Online, Azure AD, and related Microsoft infrastructure services. The role serves as the highest escalation point for complex incidents, problem management, security, and infrastructure changes.

Key Responsibilities

Active Directory
- Administer Active Directory forests, domains, trusts, and Organizational Units (OUs).
- Manage Domain Controllers, replication, FSMO roles, Sites & Services, and AD health.
- Create and troubleshoot Group Policies (GPOs).
- Manage AD schema updates and directory services.
- Perform AD security hardening and compliance activities.
- Manage AD-integrated DNS and DHCP services.
- Troubleshoot authentication issues, Kerberos, LDAP, and NTLM problems.
- Administer service accounts, privileged accounts, and delegated permissions.
- Support PKI, certificate services, and identity management solutions.

Exchange / Microsoft 365




- Administer Exchange Server 2016/2019 and Exchange Online.
- Manage mailboxes, shared mailboxes, distribution groups, and mail-enabled security groups.
- Troubleshoot mail flow, transport rules, connectors, and hybrid environments.
- Configure and support Exchange Hybrid deployments.
- Manage Exchange DAG, Database maintenance, and backup/recovery.
- Implement email security solutions, SPF, DKIM, and DMARC.
- Troubleshoot Outlook connectivity and Autodiscover issues.
- Support mailbox migration projects and tenant consolidations.
- Manage retention policies, litigation hold, and compliance requirements.

Incident & Problem Management
- Act as L3 escalation point for critical incidents.
- Perform RCA and implement permanent fixes.
- Lead technical bridge calls during P1/P2 incidents.
- Develop preventive maintenance and automation initiatives.

Security & Compliance
- Implement Identity and Access Management (IAM

📌 Active Directory (Bengaluru)
🏢 Tech Mahindra
📍 Bengaluru