Desired Competencies (Technical/Behavioral Competency)

Must-Have

- Minimum 10 years of experience.
- Active Directory Architecture & Governance Own multi domain, multi site AD design, OU/GPO standards, Trust models, FSMO roles, and Sites & Services.
- Security, Hardening & Compliance – Implement AD and Messaging security baselines, Privileged access controls, and remediate Security vulnerabilities and Audit findings.
- Exchange & Messaging Platforms – Administration of Exchange (On Prem/Hybrid/Online) architecture, Operations, Mail flow security, and Compliance configurations.
- PKI & Identity Services – Operate Enterprise PKI, Certificate lifecycle, and Core identity services (Kerberos, LDAP, NTLM, trusts).
- Incident, Change & Transformation – Manage RCAs, Upgrades, Migrations,



and Modernization under CAB/Change Governance.
- DR, Resilience & Technical Leadership – Support Resilience, DR Switchovers, validate recovery, and provide Technical leadership, Documentation, and Mentoring.
- Advanced administration of Windows Server environments- (2012/2016/2019/2022).

Valuable-to-Have

- Deep knowledge of Group Policy (GPO), DNS, DHCP, and identity management.
- Experience in High availability, Disaster Recovery(DR), and AD backup/restore strategies.
- Familiarity with PowerShell scripting for automation and operational efficiency.

📌 EUC architect (Chennai)
🏢 Tata Consultancy Services
📍 Chennai