Position Overview Our client, a boutique investment management firm based in Boston, is seeking a Senior IT Support Engineer to join its technology team. This role is ideal for a highly capable, hands-on technical professional who is comfortable serving as a senior resource, supporting approximately 200 employees, and providing a blend of end-user support, system administration, and light technical leadership. The ideal candidate brings deep expertise across the Microsoft 365 ecosystem, endpoint management, identity and access, and collaboration technologies-while also mentoring junior team members and helping guide IT best practices within a fast-paced, high ‑ expectation environment. Key Responsibilities Technical Support & Leadership Serve as a senior escalation point for L1 and L2 issues, ensuring timely and high ‑ quality resolution for end users across the firm. Provide hands ‑ on guidance and day ‑ to ‑ day mentorship to junior IT engineers, helping develop their technical and customer service skills. Act as a technical lead on projects and initiatives as needed, partnering with IT leadership to define and execute team priorities. Microsoft 365 & Core Infrastructure: Administer and optimize M365/O365 applications including Exchange Online, Teams, SharePoint, OneDrive, and Security & Compliance Center. Manage user provisioning, policy configuration, license assignments, and service health monitoring. Support and maintain Windows Server services, including patching, GPOs, authentication roles, file/print, and DNS/DHCP. Endpoint & Device Management: Oversee device deployment and policy management using Intune/Endpoint Manager, including compliance configurations and automated workflows. Enforce device security baselines and ensure consistent standards across the environment. Identity & Access Management: Administer Active Directory and Azure AD, including organizational units, group management, GPOs, conditional access, MFA, and hybrid identity processes. Support authentication and access governance across critical firm systems. AV, Conference Room, and Collaboration Technologies: Configure and maintain AV systems, Zoom Rooms/Teams Rooms, and conference room technologies used daily for internal meetings and client interactions. Troubleshoot A/V, video conferencing, room scheduling equipment, and connectivity issues. Automation & Scripting: Develop, maintain, and enhance PowerShell scripts to automate routine administrative tasks, improve operational efficiency, and enforce configuration standards. Qualifications Required: 7 years of experience in IT support, system administration, or related technical roles Strong experience with: O365/M365 administration Microsoft Intune / Endpoint Manager Active Directory & Azure AD Windows Server administration AV/Zoom/Teams Room setups PowerShell scripting (advanced proficiency) Experience supporting end users in a professional, high ‑ expectation environment (financial services experience a plus). Ability to guide, mentor, and support junior engineers. Excellent communication skills with a customer ‑ centric mindset. Strong problem-solving skills, attention to detail, and ability to prioritize effectively. Preferred: Prior experience in investment management, private equity, hedge funds, or financial services Industry-relevant certifications (e.g., Microsoft 365, Azure Admin, CompTIA) Experience in small or mid-sized IT teams where versatility is essential Exposure to cybersecurity tools and practices This is a hybrid role requiring 3 days per week onsite in the firms Boston Office, 2 days remote. At this time the team is unable to provide visa sponsorship.