SME - Microsoft 365 Administration
India
Job Description
SME - Microsoft 365 Administration
Sholinganallur, Tamil Nadu

Job Summary

Classification: InternalL3 – Senior Proofpoint & Microsoft 365 Security EngineerCore FocusEnterprise policy design, governance, advanced troubleshooting, platform optimization,and technical leadership.Key Responsibilities• Design, implement, and optimize advanced DLP policies across Proofpoint andMicrosoft Purview.• Lead enterprise-wide Proofpoint Security Awareness Training (PSAT) programs,reporting, and risk-reduction initiatives.• Architect information protection, data classification, and compliance solutionsusing Microsoft Purview.• Manage Exchange Online security controls, anti-spam/anti-phishing policies,mail flow rules, and email hygiene configurations.• Provide advanced troubleshooting for complex issues involving:o Proofpoint Email Protectiono TAP (Targeted Attack Protection)o DLP incidentso Mail routing and delivery failureso False positives and false negativeso Exchange Online mail flow and security configurations• Perform health checks, tuning, maintenance, upgrades, and optimizationactivities.• Drive governance and compliance initiatives aligned with organizational securityobjectives.• Act as the primary technical contact for customers, providing best practices,workshops, and advisory services.Required SkillsProofpoint• Proofpoint Email Protection• Targeted Attack Protection (TAP) Classification: Internal• Proofpoint DLP• PSAT• Threat Intelligence & Email SecurityMicrosoft 365• Microsoft Purview Information Protection• Microsoft Purview DLP• Insider Risk Management• Data Lifecycle Management• Compliance Manager• Exchange Online Administration• Exchange Online Protection (EOP)• Microsoft Defender for Office 365• Entra ID AdministrationAdditional Skills• Security Architecture• Advanced Troubleshooting• Governance & Compliance

Key Responsibilities

1. Ensure Timely Resolution And Quality Compliance Of Escalated Tickets And Incidents Through O365 Administration, Adhering Strictly To Slas And Quality Norms.
2. Mentor Support Administrators And Team Members, Preparing Standard Operating Procedures (Sops) And Maintaining Effective Documentation, While Facilitating Knowledge Sharing Across The Team.
3. Validate Change Order Implementation Plans And Ensure Compliance With Human Error Protocols, Actively Participating In Capacity Planning To Optimize Resource Allocation.
4. Foster Positive Customer Feedback And Satisfaction By Actively Engaging In Customer Meetings To Identify And Address Issues Within O365 Environments.
5. Conduct Thorough Analyses, Including Root Cause Analysis And Trend Analysis, To Compile Reports That Facilitate Performance Improvements, Presenting Findings To Key Business Stakeholders.

Skill Requirements

1. Proficient In O365 Administration With A Strong Understanding Of Incident Management And Resolution Processes.
2. Solid Analytical Skills With Experience In Performing Root Cause And Trend Analyses Related To Operational Issues.
3. Exceptional Communication Skills To Effectively Liaise With Business Stakeholders And Facilitate Knowledge Sharing.
4. Familiarity With Capacity Planning And Change Management Processes Within The O365 Ecosystem.

Other Requirements

1. Optional But Valuable Certifications: Microsoft Certified: Modern Desktop Administrator Associate, Microsoft Certified: Teams Administrator Associate
Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.