Consultant Google Workspace L3 Lead Engineer – Messaging & Collaboration

We are seeking a Senior Google Workspace & Messaging Engineer (L3) to lead enterprise messaging operations across Google Workspace/Gmail, Mailjet Smart Host and Microsoft 365.The role acts as the highest technical escalation point for mail flow, security, compliance, coexistence, migrations and service improvement. You will also support service transition from incumbent providers, validate knowledge transfer and ensure operational readiness in a large global environment.

Key Responsibilities

Google Workspace & Gmail Administer Google Workspace tenants, domains, users, groups, roles and licensing.Manage Gmail routing, compliance rules, filtering, retention, spam, quarantine and mail-flow policies.Support Google Vault retention, audit and investigation activities.Troubleshoot delivery, routing, MX, SPF, DKIM, DMARC, authentication and policy issues.Perform tenant health checks, security reviews and service improvement assessments.Support coexistence with Microsoft 365, including routing, directory sync, identity and calendar interoperability.