Senior O365 Administrator

Optimum•Plano, TX

About The Position

The Sr. O365 Administrator for Messaging and Collaboration is responsible for the management and support of the organization's messaging systems, including Exchange Online, Teams, SharePoint, and OneDrive. This senior role is critical in ensuring seamless communication and collaboration across the company. The administrator will manage, configure, and troubleshoot the O365 messaging environment, ensuring high availability and optimal performance The O365 Administrator for Messaging and Collaboration will play a critical role in managing the O365 environment, ensuring that the organization's messaging systems are secure, reliable, and efficient, while also performing general O365 administrative duties. At Optimum, we're fueled by our four core pillars: Taking Ownership, Upholding Transparency, Creating Community, and Demonstrating Expertise. Our commitment to empowering employees to take responsibility and embrace proactive problem-solving underpins Taking Ownership. Upholding Transparency is at the core of our culture, with open and honest communication fostering trust among our dedicated team and loyal customers. Creating Community is more than a goal; it's our daily commitment to fostering an environment of collaboration, innovation, and positivity. Demonstrating expertise is a promise we uphold through continuous learning and engagement with our customers to consistently deliver top-quality products and services. These pillars not only shape our culture but define Optimum as a place of excellence, trustworthiness, and thriving community, and we invite you to be a part of our journey.

Requirements

Bachelor’s degree or above in an IT-related field or equivalent work experience
Minimum of 5 years of technical experience with Microsoft O/ M365
Strong knowledge of Microsoft 365, particularly Exchange Online, Teams, SharePoint, OneDrive, and general O365 administration
Experience with on-premise Exchange and Active Directory
Proficiency in PowerShell scripting for automation and management of the O365 environment
Familiarity with email hygiene solutions and security compliance features
Excellent problem-solving skills and the ability to work under pressure

Responsibilities

Manage and maintain the Microsoft O/M365 environment, including Exchange Online, Teams, SharePoint, and OneDrive.
Ensure the availability, performance, and security of messaging and collaboration systems
Monitor and troubleshoot issues with end users, providing timely resolution and support. Interact with end users to troubleshoot reported problems or to perform required system maintenance activities.
Escalate problems to Engineering Leads, management and/or vendors in a timely fashion.
Perform general O365 administration tasks, including system backups, recovery, and monitoring system performance and capacity.
Administer Exchange 2013 & 2019 on-premise for remote mailboxes and email relay.
Maintain and troubleshoot Active Directory and Azure AD, including account maintenance and federation services.
Resolve tickets related to O365, messaging, and collaboration tools in ServiceNow.
Utilize PowerShell scripting to automate tasks and manage the O365 environment.
Ensure compliance with SOX and other regulatory requirements related to messaging, collaboration, and general O365 administration.
Day-to-day documentation of operations needs and process changes
Mentorship of team for skill and personal growth.