Technology and Innovation - Senior SharePoint Administrator

Senior SharePoint Administrator - (Senior Associate)

We are seeking a highly experienced Senior SharePoint Administrator to lead the administration, governance, and optimization of SharePoint Online within the Microsoft 365 ecosystem. This role requires deep technical expertise, strong governance and security knowledge, and the ability to operate as a senior escalation point while guiding best practices across collaboration platforms.

You will play a key role in ensuring a secure, compliant, and scalable SharePoint environment while supporting enterprise collaboration and modernization initiatives.

What You'll Do

• 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

Who You Are

• 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
• A proactive leader with a problem-solving mindset

Good to Have

• 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 Riveron:

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. Our entrepreneurial culture thrives on collaboration, diverse perspectives, and delivering exceptional outcomes. We are committed to fostering growth, both for our clients and our people, through mentorship, integrity, and a client-centric approach. This inclusive environment offers flexibility, progressive benefits, and meaningful opportunities for impactful work that supports well-being in and out of the office.

Full time roles are eligible for a full range of benefits including medical, dental, and vision insurance, 401(k) with company match, and PTO. A complete description of all available benefits can be found at Riveron's Benefits page at . Contract roles are not eligible for benefits.

Fraud Alert

Please beware of fraudulent schemes or impersonations when going through the job application process. A Riveron employee will never recruit via text or extend unsolicited employment offers. Additionally, a Riveron employee will never ask you to exchange money or purchase anything as part of the recruiting process.

Artificial Intelligence (AI) Tools

Artificial intelligence (AI) tools are used to support the hiring process in screening, assessing, and/or selecting applicants for this position. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.