Microsoft 365 Administrator

About Milliman

Milliman is one of the worlds largest independent actuarial and consulting firms offering a range of services in healthcare property & casualty insurance life insurance financial services and employee benefits. Since its founding in 1947 Milliman has established a global presence with offices in major cities worldwide.

About GCS IT

The GCS IT team plays a vital role in supporting Millimans global technology framework ensuring the security reliability and scalability of our systems. We enable innovation enhance operational efficiency and maintain a seamless IT experience for users across the organization.

Job Summary:

As a key member of the M365 Admin and Engineering team the Microsoft 365 Administrator is responsible for the administration support and enhancement of Microsoft 365 services with an emphasis on SharePoint and MS Teams. This role focuses on the migration and integration of data and applications within M365 troubleshooting a variety of services and maintaining up-to-date expertise on evolving M365 platforms. The ideal candidate has modest to moderate experience is assertive curious creative in problem-solving and possesses excellent verbal and written communication skills. This role is a member of the Operations team who reports to the Manager of Infrastructure and Operations India.

Primary Duties & Responsibilities:

• Administer configure and support SharePoint Online environments including data migration monitoring utilization and enhancing the user experience.
• Lead or assist with migrating data and content to SharePoint Online ensuring data integrity and minimal business disruption.
• Integrate applications with Microsoft 365 services especially MS Teams and participate in configuring app and principal registrations.
• Troubleshoot and resolve Tier I and II issues across M365 services including Teams Voice MS Teams SharePoint Fabric and other Microsoft 365 applications.
• Automate administrative tasks and workflows using PowerShell and Power Platform tools.
• Stay current on new features and functionality within the Microsoft 365 ecosystem; proactively learn and share updates with the team.
• Monitor support and upgrade third-party services and integrations within the M365 platform.
• Create maintain and enhance self-service resources and knowledge bases for both team and end-user consumption.
• Manage and address user support tickets efficiently ensuring timely and effective resolution.
• Perform configuration and maintenance of sites and site collections across development test and production environments.
• Collaborate with cross-functional teams and communicate effectively with both technical and non-technical stakeholders.
• Participate in a flexible work schedule as needed to support onshore and offshore collaboration.

Qualifications and Experience

• Bachelors degree in computer science Information Technology or a related field with 4 years of relevant experience or an equivalent combination of education and practical experience.
• Hands-on experience in administering SharePoint Online including site configuration content migration and user support.
• Experience in integrating and troubleshooting Microsoft Teams Teams Voice and Microsoft Fabric
• Familiarity with App and Service Principal registration within Microsoft 365.
• Proficiency in PowerShell scripting for automating administrative tasks and managing Microsoft 365 services.
• Working knowledge of the Power Platform (Power Automate Power Apps) for workflow automation and process optimization.
• Excellent communication skills (verbal and written) with the ability to clearly explain technical concepts to non-technical users.
• Proactive self-motivated and curious professional with strong analytical and problem-solving skills.
• Ability to manage multiple priorities in a dynamic fast-paced and remote working environment.
• Experience using IT service management tools such as Freshservice or similar for ticket and incident tracking.
• Troubleshooting knowledge of .NET PowerShell HTML XML C# CSS; exposure to JavaScript and modern frameworks (e.g. React Angular Vue) preferred.
• Strong analytical and problem-solving abilities attention to detail commitment to quality and a focus on delivering high-standard results.

Technical Skills:

• Microsoft 365 suite (SharePoint MS Teams Teams Voice Fabric OneDrive for Business)
• PowerShell scripting for M365 and Graph API
• Power Platform (Power Automate Power Apps)
• HTML/CSS/XML
• C# (preferred)
• Sharegate or similar 3rd party administration tools (preferred)

Soft Skills:

• Excellent communication and documentation skills
• Self-starter with a passion for learning and continuous improvement
• Creative assertive and curious approach to troubleshooting and problem-solving
• Collaborative team player in high-stakes cross-functional environments

Required Experience:

Unclear Seniority