Senior Infrastructure & Cloud Engineer · Founder & CEO, Cloud Built Right & OpsRen · Open to Relocation

Mehedi Hasan

I design, secure, and automate enterprise Microsoft environments — Microsoft 365, Azure, Identity & Access Management, Exchange Online, Teams, and email security — for global organizations.

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10+ Years in Microsoft Infrastructure
1,000+ Users Supported at Scale
9 Certifications & Credentials
About

Infrastructure and Cloud Engineer with 10+ years of experience designing, implementing, and supporting enterprise Microsoft technologies in global environments. Deep expertise across Microsoft 365, Exchange Online, Microsoft Teams, Entra ID, identity & access management, email security, cloud platforms, and automation — with a track record of solution design, enterprise migrations, and regulatory-compliant cloud environments supporting global business operations.

Shanghai, China Open to Relocation Founder & CEO — Cloud Built Right Founder & CEO — OpsRen Enterprise Solutions Security & Compliance Automation First
Expertise

Core Competencies

Cloud & Identity

  • Microsoft Azure
  • Entra ID (Azure AD)
  • Identity & Access Management (IAM)
  • Conditional Access
  • Multi-Factor Authentication (MFA)
  • Privileged Identity Management (PIM)
  • RBAC
  • Single Sign-On (SSO)

Microsoft 365

  • Microsoft 365 Administration
  • Exchange Online
  • Microsoft Teams
  • Mail Flow Design
  • Hybrid Identity
  • Email Security
  • SPF / DKIM / DMARC
  • Tenant Administration

Security & Compliance

  • FortiMail
  • Email Security Gateway
  • Security Controls Implementation
  • Compliance Requirements
  • Retention Policies
  • Access Governance

Cloud & Infrastructure

  • Azure IAM
  • Azure Virtual Machines
  • AWS Core Services
  • Infrastructure Operations
  • Platform Administration
  • Service Reliability

Automation

  • PowerShell
  • User Provisioning & Deprovisioning
  • License Management Automation
  • Reporting Automation
  • Compliance Reporting
  • Migration Automation
  • Health Monitoring
  • Bulk Administration
Career

Professional Experience

Founder & CEO

Cloud Built Right · cloudbuiltright.com
  • Founded Cloud Built Right to help startups and growing companies design, secure, migrate, and automate Microsoft 365, Entra ID, and Azure environments.
  • Lead complex migration and integration projects across identity, email security, and collaboration platforms with an emphasis on reliability and low business disruption.
  • Provide technical leadership from architecture and design through implementation, documentation, and operational handoff.

Founder & CEO

OpsRen · opsren.com
  • Founded OpsRen, a personal work assistant — currently in development — that connects to Microsoft 365 to create morning briefs, summarize work, prepare draft replies, and help users get ready for meetings.
  • Designed the product around Microsoft Entra ID sign-in, read-only Microsoft Graph access, and enterprise controls including audit logging, data retention, and role-based access.
  • Leading product direction, architecture, and development — from identity and security design to the Microsoft 365 integration surface.

Senior Solution Reliability Engineer

McKinsey & Company
Sep 2022 – Present
  • Technical lead for the China Technology Environment (CTE), a secure and regulatory-compliant enterprise platform supporting approximately 1,000 users across four offices in Mainland China.
  • Own Microsoft 365 services including Exchange Online, Microsoft Teams, Entra ID, email security platforms, and identity-related services.
  • Designed and implemented enterprise identity and security solutions including Conditional Access, MFA, PIM, RBAC, and Single Sign-On integrations.
  • Led implementation and ongoing management of FortiMail-integrated Email Security Gateway solutions for Microsoft 365 environments.
  • Designed and implemented mail flow architecture, email security controls, and authentication technologies including SPF, DKIM, and DMARC.
  • Led multiple migration projects from global enterprise platforms into the China Technology Environment.
  • Participated in architecture governance and solution review processes to ensure security, scalability, and compliance requirements were met.
  • Developed PowerShell automation solutions supporting user lifecycle management, mailbox administration, license assignment, compliance reporting, migration activities, and operational monitoring.
  • Collaborated with Microsoft, Fortinet, and other technology partners to support enterprise service delivery.
  • Serve as backup owner for Identity and Access Management services within the CTE environment.

Technical Team Lead – Microsoft 365

Wicresoft
Sep 2019 – Jul 2022
  • Led a team of 10 engineers delivering Microsoft 365 support and consulting services to Fortune 500 customers globally.
  • Provided technical leadership for Exchange Online, Microsoft Teams, Azure AD, Hybrid Exchange, migration, and messaging technologies.
  • Managed escalations and complex enterprise technical issues while ensuring SLA compliance and service quality.
  • Coordinated with Microsoft engineering teams to troubleshoot and resolve critical customer incidents.
  • Led incident management activities and technical bridge calls for high-priority enterprise issues.
  • Mentored engineers and supported technical skill development across the team.
  • Participated in enterprise migration, modernization, and cloud adoption initiatives for global customers.
  • Conducted performance reviews and contributed to team growth and operational excellence.

System Engineer

The Net Heads
Oct 2014 – Aug 2019
  • Managed Windows Server infrastructure and Active Directory environments.
  • Administered user identities, permissions, and enterprise access management solutions.
  • Supported networking, systems administration, and infrastructure operations.
  • Provided technical support and troubleshooting for enterprise systems.
  • Participated in infrastructure deployment, maintenance, and operational support activities.
Credentials

Certifications

✓Project Management Professional (PMP)
✓Microsoft Certified Trainer (MCT)
✓Microsoft 365 Certified: Enterprise Administrator Expert
✓Microsoft Certified: Azure Administrator Associate
✓Microsoft Certified: Identity and Access Administrator Associate
✓Microsoft 365 Certified: Messaging Administrator Associate
✓AWS Certified AI Practitioner
✓AWS Cloud Practitioner (Training Completed)
✓Cybersecurity Fundamentals
Education

Academic Background

Bachelor of Science (BSc) — Electrical & Electronic Engineering (EEE)

Ahsanullah University of Science and Technology
Stack

Key Technologies

Microsoft 365 Azure Entra ID AWS Identity & Access Management Okta FortiMail Active Directory Automation
Contact

Get in Touch

Email connect@oshanto.com
LinkedIn mhoshanto