Brown Brothers Harriman ยท 7 hours ago
Sr. Microsoft Platform Engineer
Brown Brothers Harriman (BBH) is a premier global financial services firm, known for premium service, specialist expertise, technology solutions and partnership approach to client management. The Sr. Microsoft Platform Engineer serves as a technical subject matter expert for the enterprise collaboration and communication ecosystem, focusing on Microsoft 365 and on-premise platforms, while driving efficiency through automation and integration with core networking and security functions.
BankingFinancial ServicesSecurity
Responsibilities
Design, implement, and maintenance activities across the core Microsoft365 suite (Exchange, Teams, Sharepoint, OneDrive)
Support and configure Azure Active Directory services related to M365 to ensure SSO and MFA effectiveness
Administer and maintain on-premises Microsoft Exchange, SharePoint and Mobile environments, including patching, upgrades, and performance tuning
Manage hybrid configurations between on-premises and cloud services (Exchange Hybrid, SharePoint Hybrid)
Oversee lifecycle management of legacy collaboration systems and plan migrations to modern platforms
Ensure compliance and security controls are enforced across on-premises environments
Develop, deploy, and maintain robust automation solutions using PowerShell for complex administration tasks, bulk operations, reporting, security, and continuous system monitoring across M365 environment
Utilize Power Automate and Power Apps to design and implement business process automation workflows that integrate M365 services (Teams, Sharepoint, Exchange) with external line-of-business applications
Proactively monitor platform health and performance
Configure and maintain enterprise voice platforms (ex. Teams Voice, UC solutions) to ensure reliable, high-quality telephony and advanced calling features across the organization
Support Mobile Access/MDM solutions (ex. Blackberry) to ensure secure and compliant access on mobile devices
Collaborate with networking teams to optimize connectivity
Qualification
Required
7+ years experience in infrastructure engineering, with a focus on Microsoft Unified Communications and Collaboration
Expert-level proficiency in administering and troubleshooting Exchange Online/Hybrid, Microsoft Teams, and Sharepoint Online
Advanced proficiency in scripting and automation using Powershell
Strong hands-on experience with Power Platform (Power Automate, Power Apps) for building enterprise workflows
Deep understanding of networking concepts (DNS, firewalls, load balancing) relevant to UC Solutions
Experience integrating M365 services with other applications
Preferred
Microsoft 365 Certified: Enterprise Administrator Expert
Working knowledge of agile methodologies and ITIL Framework
Experience mentoring and leading teams
Benefits
Discretionary bonuses
Profit-sharing
Healthcare
Income protection
Professional development opportunities
Time off
Company
Brown Brothers Harriman
Brown Brothers Harriman is an American partnership bank that offers a range of international investment and banking services.
H1B Sponsorship
Brown Brothers Harriman has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (22)
2024 (16)
2023 (18)
2022 (23)
2021 (15)
2020 (10)
Funding
Current Stage
Late StageLeadership Team
Recent News
capital-riesgo.es
2025-12-21
Affiliated Managers Group, Inc.
2025-11-03
2025-10-31
Company data provided by crunchbase