Sr Systems Engineer

Responsibilities

• Lead the deployment, configuration, management, and ongoing optimization of enterprise messaging and collaboration platforms, including Microsoft Teams, Microsoft Exchange Online, Purview, SharePoint, One Drive, Zoom, Box, and other collaboration tools.
• Apply expertise across Microsoft 365 to maintain scalable solutions, resolve complex technical challenges, and drive continuous improvement across the collaboration ecosystem.
• Provide day-to-day administration, proactive troubleshooting, and lifecycle maintenance of Microsoft 365 applications, ensuring optimal performance and user experience.
• Ensure high availability, performance, regulatory compliance, and security across all collaboration systems, aligning with enterprise standards and audit requirements.
• Lead integration projects with IT and business stakeholders to streamline communication workflows, reduce friction, and enable seamless cross-platform collaboration.
• Develop and maintain comprehensive system documentation, runbooks, standard operating procedures, and engineering best practices.
• Administer and maintain on-premises Active Directory environments, including user and group management, Group Policy Objects (GPOs), organizational unit (OU) structures, and domain trust configurations.
• Manage and optimize Azure Active Directory (Entra ID), including hybrid identity configurations, Conditional Access policies, role-based access control (RBAC), and integration with Microsoft 365 services.
• Oversee directory synchronization processes (Azure AD Connect / Entra Connect), ensuring clean, consistent identity data on-premises AD and cloud environments.
• Support identity governance initiatives including access reviews, privileged identity management (PIM), and lifecycle workflows for joiner, mover, and leaver processes.
• Troubleshoot and resolve complex identity and authentication issues, including SSO, MFA, and federation challenges across hybrid environments.
• Serve as the primary administrator and subject matter expert for enterprise AI tools, including Claude (Anthropic) and ChatGPT Enterprise, overseeing licensing, configuration, user provisioning, and policy management.
• Partner with network engineering, application teams, security, and business units to design and implement solutions aligned with corporate objectives and enterprise architecture standards.
• Translate complex business requirements into scalable, reliable technical solutions, applying industry best practices and creative problem-solving.
• Mentor and coach junior engineers and technical staff on collaboration platforms, Active Directory, M365, and systems engineering best practices, fostering a culture of continuous learning.
• Serve as a senior technical resource for project planning, platform integrations, and high-priority troubleshooting escalations.
• Research and evaluate emerging technologies across collaboration, AI, identity, and endpoint management; present findings and strategic recommendations to leadership.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 7+ years of experience in systems engineering, enterprise environments, and collaboration platform administration.
• Proven hands-on experience administering Microsoft 365 environments, including Microsoft Teams, Exchange Online, SharePoint Online, Purview, Slack, Zoom, Box and ChatGPT Enterprise.
• Relevant certifications are a plus: Microsoft 365 Certified (Fundamentals or Administrator Expert), Azure Administrator (AZ-104), MCSE, AWS Cloud Administration, or equivalent.
• Strong troubleshooting and problem-solving skills.
• Ability to collaborate effectively across teams and with external vendors.
• Excellent communication and interpersonal skills.
• Ability to manage multiple projects and priorities in a dynamic, fast-paced environment.
• High level of professionalism, exhibiting thoroughness and follow-up with vendors, contractors, associates, VIPs, and Executives.
• Strong organizational skills with the ability to balance and prioritize multiple workstreams under pressure in a team-oriented environment.
• Some travel may be required for conferences and vendor meetings.
• Strong working knowledge of Active Directory (on-premises and Azure AD / Entra ID), including GPO management, OU structures, hybrid identity, Conditional Access policies, and Azure AD Connect synchronization.
• Experience administering enterprise AI tools, with a specific focus on Claude (Anthropic) — including workspace configuration, user provisioning, data handling policies, access governance, and acceptable use enforcement.
• Experience with ChatGPT Enterprise is also a plus.