Senior Microsoft 365 (O365) Engineer
Description
Location: Remote (Texas based) / San Antonio, TX (Preferred for periodic onsite collaboration)
Department: Productivity & Collaboration Services
Reports To: Microsoft Services Manager / Infrastructure Lead
Employment Type: Full-Time
Position Summary:
We are seeking a seasoned and highly skilled Senior Microsoft 365 (O365) Engineer to lead the design, implementation, and optimization of enterprise collaboration services across a network of 70 hospitals. This role is responsible for architecting, managing, and securing the Microsoft 365 environment, ensuring scalability, compliance, and best-in-class user experience.
The ideal candidate will have deep expertise across the M365 suite—Exchange Online, Teams, SharePoint, OneDrive, and Intune—and a proven track record supporting large, distributed enterprise environments, ideally in healthcare or other regulated industries.
Key Responsibilities:
Architecture & Strategy
- Led the design and implementation of Microsoft 365 services including tenant configuration, Exchange Online, Microsoft Teams, OneDrive, SharePoint Online, Intune, and Azure AD.
- Define and enforce governance, security, compliance, and lifecycle policies across the M365 ecosystem.
- Serve as a subject matter expert in migrations, integrations, and hybrid scenarios involving legacy environments.
Operations & Support
- Provide Tier 3 support for escalated issues related to M365 services.
- Monitor and optimize performance, availability, and storage across Exchange Online, Teams, and SharePoint.
- Maintain and enhance automation scripts for routine tasks and service administration (PowerShell, Graph API).
Security & Compliance
- Implement and manage data protection strategies including DLP, sensitivity labels, retention policies, and audit logging.
- Support MFA, Conditional Access, and secure mobile access via Intune and Microsoft Defender for Endpoint.
- Assist with regulatory compliance initiatives including HIPAA, HITRUST, and internal audit requirements.
Collaboration & Mentorship
- Mentor junior O365 engineers and support staff, driving best practices and technical training.
- Collaborate with infrastructure, identity, security, and service desk teams to ensure seamless service delivery.
- Develop and maintain detailed documentation, including runbooks, diagrams, and knowledge base content.
Requirements
Required Qualifications:
- 5+ years of experience in Microsoft 365 engineering roles in a large enterprise environment.
- Expertise in Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Azure AD, and Intune.
- Strong proficiency in PowerShell scripting and Microsoft 365 administrative tools.
- Experience in hybrid environments with Azure AD Connect and Exchange Hybrid setups.
- Deep understanding of M365 security, compliance, and governance capabilities.
- Familiarity with ITSM systems (e.g., ServiceNow) and change control practices.
- Must be U.S.-based and authorized to work without sponsorship.
Preferred Qualifications:
- Certifications:
- Microsoft 365 Certified: Enterprise Administrator Expert (MS-100 / MS-101)
- Microsoft 365 Certified: Messaging Administrator, Teams Admin, or Security Administrator
- ITIL® Foundation Certificate in IT Service Management
- Education:
- Bachelor’s Degree in Information Technology, Computer Science, or a related field.
- Additional Experience:
- Healthcare IT experience or knowledge of HIPAA compliance.
- Experience with multi-tenant environments or large-scale mergers/migrations.
Work Environment:
- Remote role with preferred proximity to San Antonio, TX for occasional collaboration or client-facing sessions.
- This may include participation in after-hours maintenance windows or on-call rotations for critical incident support.
- Fast-paced, collaborative environment supporting business-critical communication and productivity platforms.
Average salary estimate
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If you’re a Senior Microsoft 365 (O365) Engineer looking for your next challenge, we have a fantastic opportunity for you at our San Antonio, Texas-based company! Our team specializes in delivering top-notch productivity and collaboration services, and we’re seeking someone like you to lead the design, implementation, and optimization of enterprise collaboration solutions. Your role will involve architecting and managing our Microsoft 365 environment, ensuring it’s secure, scalable, and compliant while providing the best user experience possible. You’ll delve into the O365 suite, working with Exchange Online, Teams, SharePoint, OneDrive, and Intune to provide a seamless digital workplace for our network spanning 70 hospitals. If you have a proven track record of supporting large enterprise environments, particularly in regulated industries like healthcare, your expertise will shine here. With responsibilities including defining governance policies, providing tier 3 support, implementing data protection strategies, and collaborating with various teams, you will take the lead on pivotal projects. We cherish mentorship and teamwork, so bringing your experience to uplift our junior engineers will be key. If you’re excited to contribute to a fast-paced, collaborative environment, apply today and help us transform the way our teams communicate and collaborate!
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