Cloud Systems Administrator

Penske•Reading, PA

11h•Hybrid

About The Position

You will be responsible for administering and supporting a hybrid Microsoft collaboration environment, including Microsoft 365, Exchange (Online and hybrid), Microsoft Entra ID (Azure AD), and Microsoft Teams. As part of a team that builds and operates Penske’s enterprise collaboration and identity services, you will support the implementation, operation, and continuous improvement of secure, scalable messaging and collaboration platforms. In this role, you will provide technical and operational support to IT teams, contribute to system documentation and implementation efforts, and assist with business continuity and disaster recovery readiness for Microsoft 365 services. You will collaborate with platform, network, and security teams to deliver reliable operations across identity, email, and collaboration services.

Responsibilities

Administer and support Microsoft 365 services in a hybrid environment (Exchange Online/Hybrid, Microsoft Entra ID, Teams, and third-party SaaS), including service health monitoring and response to incidents, advisories, and tenant changes.
Collaborate with stakeholders (Service desk, Security, Networking, and Application teams) to implement Microsoft 365 solutions and continuously improve service performance and user experience.
Provide operational support and troubleshooting for production Microsoft 365 services, including mail flow, client connectivity, Teams issues, and identity/authentication incidents.
Manage Exchange Online and Exchange hybrid configuration, including connectors, transport rules, accepted domains, certificates, patching, and hybrid mail flow.
Administer Microsoft Entra ID, including user lifecycle management, group and role-based access control, Conditional Access support, MFA troubleshooting, and integration with enterprise applications.
Maintain availability and resilience by supporting backup/restore strategies where applicable, hybrid dependencies, and documented Disaster Recovery procedures for critical collaboration services.
Coordinate changes and deployments with other IT teams and vendors, ensuring appropriate testing, communication, and post-change validation.
Create and maintain operational documentation, knowledge articles, and technical diagrams/standards for M365, Exchange hybrid, Entra ID, and Teams.
Support identity and access integrations for enterprise SaaS applications (e.g., Proofpoint), including directory synchronization, SSO/federation troubleshooting (SAML/OAuth), application registrations, and certificate and secret lifecycle management, in coordination with vendors and application owners.
Support remediation and recovery activities including rollbacks, service restoration, and root-cause analysis, and assist in driving corrective actions to prevent recurrence.
Other projects and tasks as assigned.