Senior Systems Engineer

What You'll Do

Systems & Infrastructure

• Administer and maintain Windows Server environments, Active Directory, DNS, DHCP, and Group Policy. • Support Microsoft 365 services including Exchange Online, SharePoint, Teams, and OneDrive across a multi-tenant environment. • Manage identity and access through Entra ID (Azure AD), including MFA, conditional access, and cross-tenant collaboration architecture. • Administer Hyper-V virtualization and Azure infrastructure, including virtual networks and site-to-site VPN connectivity. • Monitor server, network, and storage performance and backups, and troubleshoot issues proactively.

Network & Security

• Administer and harden Fortinet firewall, switch, and wireless infrastructure (FortiGate, FortiSwitch, FortiAP), including VPN configuration. • Monitor security logs, investigate incidents, and coordinate vendor escalations as needed. • Apply security patches, updates, and endpoint protection (Microsoft Defender) across servers and workstations. • Support device management and compliance policies through Microsoft Intune, including mobile device management for BYOD. • Track and drive remediation of Microsoft Secure Score findings. • Follow best practices for data protection, access control, and disaster recovery, including Microsoft 365 backup solutions.

Automation & Integration

• Develop PowerShell and Microsoft Graph API scripts to automate administrative and monitoring tasks. • Build and maintain Power Automate workflows to support business process automation. • Support SAML/SSO integrations between Entra ID and third-party applications. • Application and policy deployment using both Microsoft Intune and Microsoft Defender

Operational Support

• Provide Tier 2/3 support for escalated help desk tickets. • Document systems, processes, and procedures for the IT team. • Manage user account provisioning/deprovisioning and hardware lifecycle.

Collaboration

• Partner with IT and Security teams on projects and infrastructure upgrades. • Assist with vendor management, escalations, and software license management.

What We Look For

• 5+ years of experience as a systems administrator in a Windows/Microsoft environment. • Hands-on experience with Windows Server, Microsoft Intune, Entra, Microsoft Azure Subcriptions, and Hyper-V virtualization. • Strong working knowledge of Microsoft 365 and Entra ID (Azure AD) administration, including multi-tenant environments. • Hands-on experience administering Fortinet or similar enterprise firewall, switching, and wireless infrastructure. • Solid scripting/automation skills, including PowerShell and Microsoft Graph API. • Experience with networking fundamentals: switching, routing, VPNs, and firewalls. • Experience with backup and disaster recovery tools, including Microsoft 365 backup solutions. • Experience investigating and documenting security incidents. • Strong problem-solving and critical thinking abilities. • Excellent interpersonal, verbal, and written communication skills. • Excellent attention to detail, time management, and organizational skills. • Microsoft certification (MS-102, AZ-104, or similar) and/or Fortinet NSE certification a plus.