Job Summary

HCLTech is looking for an accomplished Microsoft 365 Hybrid Exchange & Entra ID Engineer for its Noida location. This is a critical technology role responsible for engineering, operational stability, security, service resilience and continuous improvement across a complex enterprise environment. The role requires deep hands-on expertise, disciplined change execution, strong troubleshooting capability and effective collaboration with infrastructure, application, security, service-management and vendor teams.

Key Responsibilities

• Administer Exchange Online and Exchange Server hybrid configurations, mail flow, connectors, accepted domains, transport rules, recipients, shared resources, retention and eDiscovery dependencies.
• Operate Entra ID and Entra Connect/Cloud Sync, federation/SSO, Conditional Access, MFA, PIM, Identity Governance, RBAC and application registrations.
• Plan mailbox migrations, coexistence, tenant-to-tenant moves, certificates, DNS, Autodiscover and rollback.
• Implement Exchange Online Protection and Defender for Office 365 controls including anti-phishing, DKIM, SPF, DMARC and audit logging.
• Troubleshoot mail flow, free/busy, authentication, synchronization and client connectivity using message trace, logs, PowerShell and Microsoft Graph.

Skill Requirements

Technical Profile – Microsoft 365 Hybrid Exchange and Entra ID
Core technical skills:
• Administer Exchange Online and Exchange Server hybrid configurations, mail flow, connectors, accepted domains, transport rules, recipients, shared resources, retention and eDiscovery dependencies.
• Operate Entra ID and Entra Connect/Cloud Sync, federation/SSO, Conditional Access, MFA, PIM, Identity Governance, RBAC and application registrations.
• Plan mailbox migrations, coexistence, tenant-to-tenant moves, hybrid configuration, certificates, DNS, Autodiscover and cutover/rollback.
• Implement Exchange Online Protection and Microsoft Defender for Office 365, anti-spam/phishing/malware, DKIM, SPF, DMARC, safe links/attachments and audit logging.
• Troubleshoot mail flow, free/busy, authentication, synchronization, client connectivity and performance using message trace, logs, PowerShell and Microsoft Graph; automate reporting and operations.

Other Requirements

• Administer Exchange Online and Exchange Server hybrid services, recipient management, mail flow, transport rules and coexistence.
• Lead troubleshooting for delivery, connectors, Autodiscover, free/busy, client access, authentication and directory synchronization.
• Plan mailbox migrations, tenant moves, certificate and DNS changes with validated test, rollback and communication plans.
• Implement EOP and Defender for Office 365 controls, SPF, DKIM, DMARC, audit logging and role-based access.
• Automate administration and evidence collection using Exchange Online PowerShell, Microsoft Graph and operational reporting.

DESIRED CERTIFICATIONS (GOOD TO HAVE)

• Microsoft 365 Certified: Administrator Expert (MS-102)
• Identity and Access Administrator Associate (SC-300)
• Security Operations Analyst Associate (SC-200) or Information Protection and Compliance Administrator Associate (SC-400)
• ITIL 4 Foundation.

PROFICIENCY EXPECTATIONS

Competent (L3): Independently administer recipients and policies, resolve standard hybrid/mail-flow incidents, execute approved migrations and maintain operational controls.

Proficient (L4): Design secure hybrid messaging and identity architecture, lead complex migrations/RCA, define governance and resilience standards, and mentor L3 engineers.

• Strong hands-on experience in the stated technology domain and enterprise operations environment.
• Ability to independently troubleshoot complex issues, document solutions and collaborate with cross-functional stakeholders.
• Strong communication, change management, incident management and problem-solving skills.
• Willingness to work from the Noida location and support operational requirements as applicable.

REQUIRED EXPERIENCE AND CAPABILITIES

• Bachelor’s degree in Computer Science, Information Technology, Engineering or a related discipline, or equivalent relevant experience.
• Demonstrated hands-on experience supporting business-critical enterprise environments and handling complex incidents and changes.
• Working knowledge of ITIL-aligned incident, problem, change, request and knowledge-management processes.
• Ability to create HLD/LLD, implementation plans, rollback plans, SOPs, runbooks, RCA documents and operational reports.
• Strong stakeholder communication, ownership, analytical thinking and collaboration across application, infrastructure, security and vendor teams.
• Ability to participate in operational support, planned changes and major-incident activities according to business requirements.

KEY DELIVERABLES

• Stable, secure and supportable technology services with improved availability, performance and operational readiness.
• Timely resolution of complex incidents, complete root-cause analysis and closure of preventive actions.
• High-quality technical designs, implementation evidence, knowledge articles and support documentation.
• Controlled delivery of upgrades, migrations, standardization, automation and service-improvement initiatives.
• Clear technical communication with stakeholders, service owners, partner teams and technology vendors.

SELECTION FOCUS

• Depth of hands-on technical knowledge and ability to explain design and troubleshooting decisions.
• Experience with enterprise-scale operations, critical incidents, controlled changes and service restoration.
• Quality of documentation, automation mindset, security awareness and approach to continuous improvement.
• Communication, ownership and ability to work effectively across multiple technical and business teams.