L3 O365 Engineer

1 week ago

Mumbai, India Acharyaconsulting Services Full time

Job Summary : We are seeking an experienced and technically skilled L3 O365 Engineer to lead escalated support, advanced troubleshooting, and architectural enhancement for Microsoft 365 services. The candidate will function as a subject-matter expert across Exchange Online, OneDrive, SharePoint Online, and Microsoft Teamsdriving stability, performance, and user experience in a secure cloud-first environment.Key Responsibilities : - Troubleshoot and resolve issues related to Exchange Online, including mailbox access, email delivery failures, and transport rules- Support OneDrive for Business : sync issues, access permissions, data recovery, and sharing configurations- Manage SharePoint Online site access, permissions, library errors, and integration with Microsoft Teams- Provide assistance with Microsoft Teams : meeting scheduling, chat synchronization, call quality, and app integrations- Collaborate with L1 support teams to escalate unresolved incidents and ensure timely ticket resolution- Assist in O365 license provisioning, group assignments, and mailbox migrations- Maintain documentation for troubleshooting guides, user FAQs, and platform updates- Perform periodic health checks across O365 services and generate usage reports- Ensure adherence to IT security and compliance standards during user provisioning and collaboration setups- Participate in knowledge-sharing sessions to train junior support staff- Own the resolution of high-complexity incidents across Exchange, SharePoint, Teams, and OneDrive- Design, implement, and optimize configurations and policies in Microsoft 365 Admin Center, Exchange Admin Console, and Security & Compliance Center- Manage user provisioning, mailbox migrations, retention policies, and mail flow rules- Administer SharePoint Online architecture : sites, libraries, metadata, and access controls- Oversee OneDrive performance, data recovery, quota management, and cross-platform sync- Troubleshoot Teams collaboration issues, meeting integrations, governance policies, and guest access scenarios- Collaborate with stakeholders on M365 roadmap planning, licensing strategy, and cost optimization- Develop automation scripts (PowerShell) for reporting, user management, and policy enforcement- Work closely with InfoSec and IAM teams to ensure compliance, data protection, and security posture- Mentor L1/L2 engineers through technical trainings and onboarding resources- Author and maintain technical documentation, SOPs, KB articles, and RCA reportsRequired Skills : - Hands-on experience with Microsoft 365 Admin Center and Exchange Admin Console- Proficiency in handling O365 core services from a support and configuration standpoint- Strong communication and troubleshooting skills for hybrid and cloud environments- Ability to interpret logs and error messages to identify root causes across O365 tools- Familiarity with basic PowerShell for O365 administration and reporting (bonus)- Customer-focused with the ability to manage and prioritize multiple tasks- Advanced technical knowledge of Microsoft 365 ecosystem- Proficiency in PowerShell scripting for M365 automation and diagnostics- Deep understanding of hybrid environments, federation, and identity models- Solid troubleshooting capabilities across cloud and endpoint integration- Strong interpersonal and cross-team communication skills- Ability to work independently on strategic technical initiatives (ref:hirist.tech)

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