Amir Ruikar

Microsoft 365 Support Engineer with 3+ Years of Experience in Microsoft 365 and Azure cloud environments. Skilled in administering and maintaining Exchange Online, ensuring seamless mail flow and secure communication. Experienced in implementing email security protocols (DMARC, DKIM, SPF) and managing data lifecycle policies including online archiving, retention, and litigation holds.

Proficient in Azure Active Directory, SSO, MFA, PIM, Conditional Access, and IAM-related operations. Adept at automating administrative tasks using PowerShell. Experienced in managing Microsoft 365 Groups, Security Groups, Distribution Lists (DL), and Dynamic Distribution Groups (DDL).

Focused, analytical, and committed to delivering secure, efficient, and compliant IT solutions. Adept at managing user identities, roles, and licenses in Microsoft 365.

Microsoft 365 Support Engineer at Ericsson India Pvt Ltd (2023-03 – Present)

• Enabled Online Archiving and managed mailbox storage in Exchange Online to support email retention and storage management.
• Created and implemented retention policies and retention tags in Exchange Online to manage email lifecycle and data retention.
• Performed Message Trace and Message Header analysis to resolve email delivery failures.
• Implemented SPF, DKIM, and DMARC to secure organizational domains and prevent spoofing attacks.
• Monitored and reviewed Entra ID audit logs to track user activities and identify security-related issues.
• Configured and troubleshot mail flow issues in Exchange Online and hybrid environments using Message Trace, mail flow rules, connectors, and DNS records (MX) to ensure proper email delivery.
• Configured email security policies such as Anti-Spam, Anti-Malware, Safe Links, and Safe Attachments in Microsoft Defender to protect users from malicious emails.
• Administered and managed Entra ID environments, including user provisioning, group management, and enforcement of Multi-Factor Authentication (MFA) for secure identity access.
• Managed Shared Mailboxes, Distribution Lists, Microsoft 365 Groups, and Shared Calendars, and assigned required permissions to users.
• Managed Privileged Identity Management (PIM) to provide just-in-time access for admin roles, enforced approval workflows, configured activation time limits, and conducted scheduled access reviews to ensure least-privilege compliance.
• Configured and implemented Conditional Access Policies to enforce secure and compliant access based on user roles, location, and device compliance.
• Implemented Self-Service Password Reset (SSPR) and managed Entra ID licensing for users and groups.
• Configured and supported Outlook clients, troubleshooting profile issues, sync problems, and connectivity errors.
• Managed Exchange Online mailboxes and configured DNS records such as MX and Autodiscover for proper email functionality.
• Implemented Security & Compliance measures including DLP, Litigation Hold, eDiscovery, and Online archiving.
• Monitored and configured Threat Policies to protect users from phishing, malware, and spam attacks.
• L1 Support: Handled user tickets such as Distribution List access, password resets, mailbox full issues, unlocking user accounts in Entra ID, Outlook profile issues, email delivery issues, and basic license assignment.
• L2 Support: Performed root cause analysis and resolved issues related to shared mailbox permissions, mail flow problems, Outlook connectivity, message trace analysis, spam/quarantine emails, and mailbox access issues.

Diploma in Engineering – MSBTE Board

Bachelor of Engineering – BAMU University