M365 Messaging & Directory Systems Administrator jobs in United States
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Bausch + Lomb · 3 days ago

M365 Messaging & Directory Systems Administrator

Bausch + Lomb is a leading global eye health company dedicated to enhancing the gift of sight. The M365 Messaging & Directory Services System Administrator is responsible for the design, implementation, and ongoing management of the organization’s M365, messaging and directory services systems, ensuring they are secure, reliable, and aligned with business objectives.

Health CareHealth DiagnosticsMedical
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Responsibilities

Advocate for IT architectural priorities across the organization, ensuring alignment with business goals
Serve as a subject matter expert on technology trends and tools, contributing to business strategy
Oversee the execution and rollout of architectural decisions, ensuring solutions are scalable, highly available, cost-effective, and well-monitored
Evaluate, investigate and recommend new technologies that fit within the organization’s architecture and vision
Take full ownership of the organization’s Messaging tower, with end-to-end responsibility for the design, administration, and ongoing management of Office 365 Exchange Online as well as all related messaging platforms. This includes overseeing mailboxes, distribution lists, shared mailboxes, resource mailboxes, and ensuring seamless operation across the global enterprise
Lead the governance and optimization of messaging services, establishing standards, best practices, and ensuring compliance with security and regulatory requirements. Proactively monitor and analyze system health, usage trends, and capacity to drive continuous improvement and high availability
Serve as the primary escalation point and subject matter expert for all Exchange Online and messaging-related issues, providing strategic direction and technical guidance to global messaging teams. Foster collaboration across regions to ensure consistent service delivery and rapid problem resolution
Support the wider M365 Platforms and Solutions such as SharePoint, providing input and guidance as necessary
Own and manage the Spanning O365 Backup Platform Solution, ensuring reliable backup, recovery, and data protection for all messaging data. Develop and maintain policies for retention, archiving, and disaster recovery to minimize risk and data loss
Support regional teams with urgent messaging issues, service outages, and escalations, ensuring swift restoration of services and clear communication with stakeholders. Drive root cause analysis and implement preventive measures to mitigate future incidents
Continuously evaluate emerging messaging technologies and solutions, recommending enhancements that align with the organization’s IT strategy and operational needs. Lead or participate in messaging-related projects, migrations, and integrations as required
Act as secondary SME for the directory services area and the integrations in M365, Active Directory and Entra ID

Qualification

Microsoft ExchangeActive DirectoryM365Cloud computingBackup methodologiesITIL frameworksCybersecurity toolsInterpersonal skillsProject managementCommunication skills

Required

Bachelor's degree in Information Technology, Computer Science, or a related field; equivalent experience may be considered
5 years of IT experience supporting commercial systems in an enterprise environment
Strong proficiency with Microsoft technologies, including Exchange, Active Directory, M365, Exchange Online, Azure, and cloud-based messaging services
Proven experience designing, implementing, and managing enterprise messaging platforms
Extensive knowledge of cloud computing models (computing (IaaS, PaaS, SaaS), messaging infrastructure (Exchange 2019/SE/Online), backup methodologies/technologies, and Windows Operating Systems
Solid understanding of directory services and related technologies, such as Active Directory and Entra ID/Entra ID Connect
Familiarity with ITIL frameworks and best practices
Experience working in a global organization and collaborating effectively across regions and cultures
Knowledge of security tools and processes, including SIEM, antivirus solutions, CyberArk, certificate management, and patch management
Demonstrated ability to prepare, maintain, and interpret IT systems documentation and operational guidelines
Strong interpersonal skills, with the ability to build relationships and collaborate effectively
Project management experience is a plus

Benefits

Short-term and/or long-term incentives
Medical, dental, vision insurance
Disability and life insurance
A 401(k) plan and company match
A tuition reimbursement program (select degrees)
Company holidays
Well-being benefits
Sick time
Floating holidays
Paid vacation

Company

Bausch + Lomb

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We're a leading global eye health organization that is dedicated to protecting and enhancing the gift of sight for millions of people around the world – from the moment of birth through every phase of life.

Funding

Current Stage
Public Company
Total Funding
$4.98B
Key Investors
JP Morgan
2025-12-12Post Ipo Debt· $2.8B
2025-06-18Post Ipo Debt· $776.8M
2023-09-11Post Ipo Debt· $1.4B

Leadership Team

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Brent Saunders
Chairman and CEO
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Robert Bertolini
President & CFO
Company data provided by crunchbase