Senior SharePoint Administrator

Responsibilities

• Administer and support enterprise-scale SharePoint Online environments
• Manage SharePoint site collections, hub sites, site lifecycle, and external sharing
• Implement and enforce governance, security, compliance, and Microsoft best practices
• Configure and manage permissions, retention policies, DLP, sensitivity labels, and audit logs
• Automate administrative and operational tasks using PowerShell and PnP PowerShell
• Support integrations across Microsoft Teams, OneDrive, and Power Platform
• Lead or support SharePoint migrations, including on-premises to online and tenant-to-tenant migrations
• Act as L2/L3 escalation for complex SharePoint and M365 issues
• Troubleshoot performance, access, security, and configuration challenges
• Mentor junior SharePoint administrators and collaborate with cross-functional stakeholders
• Maintain documentation, operational runbooks, and governance guidelines

Requirements

• 8+ years of hands-on experience in SharePoint Administration
• Deep expertise in SharePoint Online and Microsoft 365 services
• Strong experience automating administration using PowerShell / PnP PowerShell
• Solid understanding of security, governance, compliance, and enterprise controls
• Proven experience with SharePoint migration projects
• Comfortable operating in large, enterprise or regulated environments
• Strong communication, documentation, and stakeholder management skills

Preferred Qualifications

• Experience with SharePoint On-Premises (2016/2019)
• Knowledge of Power Platform, Azure AD / Entra ID, and Teams administration
• Microsoft 365 or SharePoint-related certifications

About the Company

At Riveron, we partner with clients—from global multinationals to high-growth private entities—to solve complex finance challenges, guided by our DELTA values: Drive, Excellence, Leadership, Teamwork, and Accountability.