L3 Microsoft 365 Engineer (m/f/d)

L3 Microsoft 365 Engineer

The L3 Microsoft 365 Engineer serves as the senior technical escalation point for the Microsoft 365 environment, providing advanced support, administration, and optimization across the M365 platform. The role requires broad expertise across collaboration, messaging, identity, security, compliance, and endpoint management services.

Key Responsibilities

• Provide Level 3 support and troubleshooting across Microsoft 365 services.

  
  
  

• Administer and support Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Entra ID, Intune, Defender, and Purview.

  
  
  

• Manage identity, access, authentication, conditional access, and security controls.

  
  
  

• Perform root cause analysis and resolve complex technical incidents.

  
  
  

• Develop PowerShell scripts and automation to improve operational efficiency.

  
  
  

• Support M365 projects, migrations, upgrades, and service improvements.

  
  
  

• Maintain platform governance, security, compliance, and operational documentation.

  
  
  

Requirements

• 5+ years of Microsoft 365 engineering and administration experience.

  
  
  

• Strong hands-on expertise across the M365 ecosystem.

  
  
  

• Experience with enterprise-scale environments and hybrid Microsoft platforms.

  
  
  

• Proficiency in PowerShell scripting and automation.

  
  
  

• Strong analytical, problem-solving, and stakeholder management skills.

  
  
  

Preferred Certifications

• Microsoft 365 Enterprise Administrator Expert

  
  
  

• Microsoft Security, Identity, or Messaging Certifications

  
  
  

• ITIL Foundation

  
  
  

Halian Group: With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers. Our resourcing and smart services help you to realize tomorrow’s potential. Discover the amazing things possible when you bring the right people and the right technologies together. At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives. We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique. By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve. #LI-JJ1