SeniorAdministrator - Microsoft Message Queuing
India
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Job Description
SeniorAdministrator - Microsoft Message Queuing
Lucknow, Uttar Pradesh

Job Summary

O365 L2 Admin : The Global Microsoft 365 Administrator (L2) is a senior technical specialist responsible for the stability, security, and optimization of Microsoft 365 services across a global enterprise environment. The role provides advanced (L2) operational support and technical ownership for Exchange Online, SharePoint Online, OneDrive for Business, Microsoft Teams, and Linux‑based SMTP relay services, ensuring high availability, performance, and compliance. This position acts as the key escalation point for complex and critical incidents, driving root cause resolution in collaboration with Microsoft support and third‑party vendors. The role owns tenant‑wide configurations, security and compliance controls, and change implementation activities, ensuring alignment with internal governance standards, regulatory requirements, and industry best practices. In addition to operational responsibility, the L2 administrator plays a significant role in service optimization, capacity planning, and lifecycle management of Microsoft 365 services. The role also contributes to knowledge management by maintaining standards, SOPs, and architecture documentation, while mentoring L1 engineers and driving skill uplift across global support teams.



Key Responsibilities

Platform Ownership • Own the end to end architecture of Microsoft 365 services including: o Exchange Online o SharePoint Online & OneDrive for Business o Microsoft Teams o SMTP Relay (Linux) • Maintain global tenant configurations, service boundaries, and regional deployment models. • Provide L2 level support for Linux based Mail Relay services & Linux SMTP relay • Support of Mail relay management tool, Mail Self Service Portal, Email Admin Tool (EAT) tool, Email Mgmt. Policy Exemption App, Litigation Hold app, Dynamic Groups Mgmt. Tool, Mail encryption tool, Mail forwarding tool, Corporate Signature tool, Mail Security Tool, Exchange Online Protection, Mail Classification tool, S/MIME for mail encryption, MS Defender for O365 • Provide L2 support for M365 services, including Exchange Online, M365 apps such as Yammer, Planner, Copilot, Linux Based SMTP Mail Relay Service (e.g., ListServ, PostFix, etc.), SMTP Out, POP3, Scan2Mail Security, Compliance & Governance • Administer M365 security and compliance posture, including: o Conditional Access and identity protection o Sensitivity labels, retention, DLP, eDiscovery, audit logging o External collaboration and sharing standards • Ensure alignment with internal policies, regulatory frameworks, and industry best practices. • Provide support for remediation of security risks, misconfigurations, and audit findings. Incident Management & Escalation (L2) • Act as the technical point for critical and daily or routine M365 incidents. • Drive the issues related to service outages and systemic failures. • Coordinate and provide support for escalations with Microsoft support and third party vendors. Service Optimization & Performance • Analyze platform usage, performance trends, and capacity requirements. • Support the ongoing optimization initiatives for: o Mail flow and messaging performance o Teams meeting/call quality o SharePoint and OneDrive storage efficiency o Tenant-wide configuration hygiene • Recommend improvements to enhance user experience and operational efficiency. Change, Release & Lifecycle Management • Schedule and implement global M365 changes. • Govern change validation, testing, communication, and rollback strategies. • Participate in and implement service lifecycle management, including onboarding of new services and deprecation of legacy features. • Ensure minimal business disruption during major platform changes. Identity, Access & Integration Oversight • Administer authentication, authorization, and privileged access models. • Implement and maintain integrations with: o Endpoint management platforms o Power Platform o Third-party collaboration or security tools Reporting & Stakeholder Engagement • Provide inputs for reporting on service health, risks, and improvement opportunities. Knowledge Management & Leadership • Establish and maintain global standards, SOPs, architecture documentation, and runbooks. • Review and approve L1 operational procedures. • Mentor and coach L1 administrators and engineers. • Drive skill uplift and knowledge transfer across global support teams.

Skill Requirements

Microsoft 365 Core Services – Exchange Online, SharePoint Online, OneDrive, Microsoft Teams • Email & Messaging – Mail flow, Exchange Online Protection, SMTP relay (Linux-based) • Security & Compliance – DLP, retention, sensitivity labels, eDiscovery, audit logging, Defender for O365 • Tenant Architecture & Governance – global M365 tenant administration • Incident & Problem Management (L2) – Routine and critical incidents support • Service Optimization & Monitoring – Knowledge on Performance, Capacity, Health metrics • Linux Mail Systems – Knowledge on Postfix/ListServ, SMTP, POP3, Scan to Mail Nice to have Skills – • PowerShell Automation – Hands on experience with M365 administration and operational scripting • Identity & Integration – Knowledge on authentication models, third party and platform integrations

Other Requirements

NA
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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 226,300 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 December 2025 totaled $14.5 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.