Senior Systems Engineer: Microsoft 365 & Cloud Infra Lead

Southernmedpeds; Jacksonville (FL); On-site; USD 110,000 - 150,000; Full time

Job summary

Southernmedpeds is seeking an experienced Senior Systems Engineer to design, implement, and support enterprise IT infrastructure with a strong focus on Microsoft cloud and endpoint management technologies.

You will lead the administration and optimization of Microsoft 365, Intune, Azure AD (Microsoft Entra ID), Exchange Online, and core infrastructure systems to ensure reliability, security, and scalability across the organization.

Qualifications

• 7+ years of experience in systems engineering, infrastructure, or enterprise IT roles.
• Strong experience administering Microsoft 365 enterprise environments.
• Hands-on experience with Microsoft Intune / Endpoint Manager.
• Experience managing Azure Active Directory (Microsoft Entra ID).
• Experience administering Exchange Online environments.
• Experience performing email migrations to Microsoft 365.
• Experience executing Microsoft 365 tenant-to-tenant migrations.
• Experience managing multi-domain environments.
• Strong knowledge of Windows Server infrastructure.
• Solid understanding of networking fundamentals (DNS, routing, VPN, firewalls).
• Experience supporting enterprise end-user environments.

Responsibilities

• Administer and optimize Microsoft 365 services, including Exchange Online, SharePoint, Teams, and OneDrive.
• Manage Azure Active Directory (Microsoft Entra ID), including identity lifecycle, group management, conditional access, and MFA.
• Support multi-domain environments, including domain configuration, identity management, and cross-domain service integrations.
• Implement and maintain identity integrations such as SSO and modern authentication.
• Lead configuration and administration of Microsoft Intune for Windows 11 endpoint and mobile device management.
• Manage device enrollment, compliance policies, configuration profiles, and application deployments.
• Implement modern endpoint security strategies across Windows, macOS, and mobile devices.
• Administer Exchange Online, including mail flow management, security policies, transport rules, and mailbox administration.
• Plan and execute email migrations from legacy platforms into Microsoft 365.
• Lead and support tenant-to-tenant Microsoft 365 migrations, including mailbox, SharePoint, Teams, and identity transitions.

Skills

Microsoft 365 Administration

Intune / Endpoint Manager

Azure AD / Microsoft Entra ID

Exchange Online

Tenant-to-Tenant Migrations

Email Migration Projects

Multi-Domain Administration

Enterprise Infrastructure

Networking Fundamentals

PowerShell Automation

Job description

Southernmedpeds is seeking an experienced Senior Systems Engineer to design, implement, and support enterprise IT infrastructure with a strong focus on Microsoft cloud and endpoint management technologies.

You will lead the administration and optimization of Microsoft 365, Intune, Azure AD (Microsoft Entra ID), Exchange Online, and core infrastructure systems to ensure reliability, security, and scalability across the organization.