Systems Engineer - Microsoft 365

The Systems Engineer is a project-focused implementation and support escalation engineer. This role is responsible for technical delivery for new customer onboarding and customer project-based work (infrastructure upgrades, data migrations, and modernization initiatives), and serves as an escalation resource for complex issues across Microsoft 365, identity, virtualization, storage, and core infrastructure.

Core Responsibilities

• Execute new customer onboarding technical workstreams, including discovery support, build plans, cutover coordination, and post-go-live validation.
• Implement, administer, and troubleshoot Windows Server services including Active Directory Domain Services, Group Policy, file and share permissions, and server role migrations.
• Administer and support Microsoft 365 services including Exchange Online, Teams, SharePoint, OneDrive, Entra ID, licensing, mail flow, and mail filtering.
• Implement and manage endpoint and device configuration through Microsoft Intune (enrollment, policies, compliance, application deployment).
• Perform data migrations including file server migrations, mailbox moves, SharePoint/OneDrive migrations, and related user impact planning and validation.
• Support virtualization and compute platforms (VMware and/or Hyper-V) including host and VM lifecycle operations, resource troubleshooting, and migration support.
• Maintain a foundational understanding of networking concepts (VLANs, VPNs, subnets, DHCP, firewalls) to coordinate effectively with senior network engineers and troubleshoot connectivity dependencies.
• Serve as an escalation engineer for the Service Desk for complex Windows, identity, and Microsoft 365 issues; document findings and drive issues to resolution.
• Participate in an on-call rotation and perform after-hours maintenance windows as required for upgrades, cutovers, and incident response.
• Create and maintain project documentation and as-built records (network diagrams, configurations, runbooks) and ensure timely, accurate ticket notes and time entry in the PSA system.
• Follow established change control practices, security standards, and customer-specific requirements; proactively identify risks and recommend remediation or follow-on project work.
• Provide clear customer communication, including status updates, outage/downtime planning, and handoff notes to the Service Delivery team.
• Share knowledge with teammates through peer review, documentation, and internal enablement sessions.