Senior M365 Architect

Siri InfoSolutions Inc; Columbia (SC); On-site; USD 120,000 - 180,000; Full time

Job summary

Siri InfoSolutions Inc in Columbia, SC is seeking a Senior M365 Architect to lead the design and implementation of Microsoft 365 solutions for enterprise customers. You will shape architectures, drive governance, and guide cloud transformation initiatives.

Responsibilities include migrating from on-premises to Exchange Online, consolidating tenants, securing environments with Defender, DLP, Purview, and enabling collaboration with Teams, SharePoint Online, OneDrive, and Power Platform.

Qualifications

• 7+ years of experience in cloud architectures with Microsoft 365.
• Deep knowledge of Teams, SharePoint Online, Exchange Online, Power Platform.
• Strong governance, security and compliance capabilities.

Responsibilities

• Design end-to-end Microsoft 365 solutions aligned with business objectives.
• Define architecture, roadmap, and governance for M365 workloads.
• Lead tenant migrations, modernization initiatives, and security enhancements.
• Develop scalable, secure cloud-based Microsoft 365 environments.
• Mentor engineers and architects across the M365 ecosystem.

Skills

M365 Architecture

Security & Compliance

Migration

Governance

Hybrid Identity

PowerShell

Tools

PowerShell

Job description

Job Title: Senior M365 Architect

Location: Columbia, SC (3 Days Onsite)

Fulltime

Roles & Responsibilities:

We are seeking an experienced Senior M365 Architect to lead the design, implementation, governance, and optimization of Microsoft 365 solutions for enterprise customers. The ideal candidate will possess deep expertise in Microsoft 365 technologies, cloud transformation, security, compliance, and collaboration platforms, while providing strategic guidance to business and technical stakeholders.

Architecture & Solution Design

• Design end-to-end Microsoft 365 solutions aligned with business and technology objectives.
• Define architecture, roadmap, and governance strategies for Microsoft 365 workloads.
• Lead tenant consolidation, migration, and modernization initiatives.
• Develop scalable, secure, and highly available cloud-based solutions.

Microsoft 365 Platform Expertise

• Architect solutions across:
  • Microsoft Teams
  • SharePoint Online
  • OneDrive for Business
  • Exchange Online
  • Viva Suite
  • Power Platform (Power Apps, Power Automate, Power BI)
  • Microsoft Copilot for M365
• Evaluate and recommend new Microsoft technologies and services.

Security & Compliance

• Design security solutions utilizing:
  • Microsoft Entra ID (Azure AD)
  • Conditional Access
  • Multi-Factor Authentication (MFA)
  • Privileged Identity Management (PIM)
  • Microsoft Defender Suite
  • Microsoft Purview
  • Data Loss Prevention (DLP)
  • Information Protection and Compliance Controls
• Ensure adherence to organizational and regulatory compliance requirements.

Migration & Transformation

• Lead migrations from:
  • On-premises Exchange to Exchange Online
  • File Shares to SharePoint Online and OneDrive
  • Third-party collaboration platforms to Microsoft 365
• Create migration strategies, deployment plans, and risk mitigation approaches.

Stakeholder Management

• Act as a trusted advisor for customers and leadership teams.
• Conduct workshops, architecture reviews, and executive presentations.
• Collaborate with business units, project managers, security teams, and operations teams.

Governance & Operational Excellence

• Establish governance policies, standards, and best practices.
• Define operational models and support strategies.
• Create architecture documentation and technical design documents.
• Mentor engineers and architects across the M365 ecosystem.

Technical Skills

Mandatory

• Microsoft 365 Administration & Architecture
• Exchange Online
• SharePoint Online
• Microsoft Teams
• OneDrive for Business
• Microsoft Entra ID (Azure AD)
• Microsoft Defender
• Microsoft Purview
• PowerShell Automation
• Hybrid Identity and Authentication
• Azure Fundamentals and Integration

Preferred

• Microsoft Copilot for Microsoft 365
• Power Platform
• Azure Architecture
• Intune / En