Sr Office Engineer

At Zelis, we Get Stuff Done. So, let’s get to it!

Zelis is modernizing the healthcare financial experience across payers, providers, and healthcare consumers. We serve more than 750 payers, including the top five national health plans, regional health plans, TPAs and millions of healthcare providers and consumers across our platform of solutions. Zelis sees across the system to identify, optimize, and solve problems holistically with technology built by healthcare experts – driving real, measurable results for clients.

You bring a unique blend of personality and professional expertise to your work, inspiring others with your passion and dedication. Your career is a testament to your diverse experiences, community involvement, and the valuable lessons you've learned along the way. You are more than just your resume; you are a reflection of your achievements, the knowledge you've gained, and the personal interests that shape who you are.

We are seeking a highly skilled and experienced Microsoft O365 Administrator to join our IT Collaboration team. The ideal candidate will have deep expertise in managing and supporting Microsoft 365 environments, with a strong background in Active Directory, Entra  (formerly Azure AD), AAD Connect, and Exchange Online. This role will be instrumental in resolving mail flow delivery issues, working with Compliance and security teams to review our existing security offerings, and leveraging Microsoft Purview for compliance and troubleshooting when needed.

We are seeking a highly skilled and experienced Microsoft O365 Administrator to join our IT Collaboration team. The ideal candidate will have deep expertise in managing and supporting Microsoft 365 environments, with a strong background in Active Directory, Entra  (formerly Azure AD), AAD Connect, Exchange Online and SMTP services. This role will be instrumental in resolving mail flow delivery issues, working with Compliance and security teams to review our existing security offerings, and leveraging Microsoft Purview for compliance and troubleshooting when needed.

• Administer and maintain Microsoft 365 services including AAD Connect, Exchange Online, and SMTP Services.
• Troubleshoot Active Directory / Entra users including sync or identity issues.
• Oversee AAD Connect synchronization and resolve related issues.
• Monitor and troubleshoot mail flow and delivery issues using Exchange tools and Microsoft Purview.
• Partner with Security and Compliance to understand our policies using Microsoft Purview.
• Collaborate with internal teams to support user access, permissions, and identity management.
• Provide Tier 3 support for escalated issues related to Microsoft 365 services.
• Document processes, configurations, and troubleshooting steps.

• 5+ years of experience in Microsoft 365 administration.
• Strong hands‑on experience with Active Directory and Entra .
• Proficiency in managing AAD Connect and resolving sync issues.
• Solid understanding of Exchange Online mail flow and delivery troubleshooting.
• Experience with Retention Policies and Tags.
• Experience using Microsoft Purview for compliance and message trace.
• Familiarity with Power Shell scripting for automation and reporting.
• Excellent problem‑solving and communication skills.

• AAD Connect administration.
• Exchange Online, Rules, Connectors, Retention Policies and SMTP Relay services.

Please note at this time we are unable to proceed with candidates who require visa sponsorship now or in the future.

We have offices in Atlanta GA, Boston MA, Morristown NJ, Plano TX, St. Louis MO, St. Petersburg FL, and Hyderabad, India. We foster a hybrid and remote friendly culture, and all our employee's work locations are based on the needs of the position and determined by the Leadership team. In‑office work and activities, if applicable, vary based on the work and team objectives in accordance with Company policies.

$95,000.00 - $

At Zelis we are committed to providing fair and equitable compensation packages. The base salary range allows us to…