diff --git a/src/IncidentOps.Infrastructure/Migrations/Migration0001_InitialSchema.cs b/src/IncidentOps.Infrastructure/Migrations/Migration0001_InitialSchema.cs
new file mode 100644
index 0000000..71764cb
--- /dev/null
+++ b/src/IncidentOps.Infrastructure/Migrations/Migration0001_InitialSchema.cs
@@ -0,0 +1,93 @@
+using FluentMigrator;
+
+namespace IncidentOps.Infrastructure.Migrations;
+
+[Migration(1)]
+public class Migration0001_InitialSchema : Migration
+{
+    public override void Up()
+    {
+        Create.Table("users")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("email").AsString(255).NotNullable().Unique()
+            .WithColumn("password_hash").AsString(255).NotNullable()
+            .WithColumn("display_name").AsString(255).NotNullable()
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime)
+            .WithColumn("updated_at").AsDateTime().Nullable();
+
+        Create.Table("orgs")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("name").AsString(255).NotNullable()
+            .WithColumn("slug").AsString(100).NotNullable().Unique()
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime)
+            .WithColumn("updated_at").AsDateTime().Nullable();
+
+        Create.Table("org_members")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("org_id").AsGuid().NotNullable().ForeignKey("orgs", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("user_id").AsGuid().NotNullable().ForeignKey("users", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("role").AsString(50).NotNullable()
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime)
+            .WithColumn("updated_at").AsDateTime().Nullable();
+
+        Create.UniqueConstraint("uq_org_members_org_user")
+            .OnTable("org_members")
+            .Columns("org_id", "user_id");
+
+        Create.Table("services")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("org_id").AsGuid().NotNullable().ForeignKey("orgs", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("name").AsString(255).NotNullable()
+            .WithColumn("slug").AsString(100).NotNullable()
+            .WithColumn("description").AsString(1000).Nullable()
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime)
+            .WithColumn("updated_at").AsDateTime().Nullable();
+
+        Create.UniqueConstraint("uq_services_org_slug")
+            .OnTable("services")
+            .Columns("org_id", "slug");
+
+        Create.Table("incidents")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("org_id").AsGuid().NotNullable().ForeignKey("orgs", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("service_id").AsGuid().NotNullable().ForeignKey("services", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("title").AsString(500).NotNullable()
+            .WithColumn("description").AsString(4000).Nullable()
+            .WithColumn("status").AsString(50).NotNullable()
+            .WithColumn("version").AsInt32().NotNullable().WithDefaultValue(1)
+            .WithColumn("assigned_to_user_id").AsGuid().Nullable().ForeignKey("users", "id").OnDelete(System.Data.Rule.SetNull)
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime)
+            .WithColumn("acknowledged_at").AsDateTime().Nullable()
+            .WithColumn("mitigated_at").AsDateTime().Nullable()
+            .WithColumn("resolved_at").AsDateTime().Nullable();
+
+        Create.Index("ix_incidents_org_status")
+            .OnTable("incidents")
+            .OnColumn("org_id").Ascending()
+            .OnColumn("status").Ascending()
+            .OnColumn("created_at").Descending();
+
+        Create.Table("incident_events")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("incident_id").AsGuid().NotNullable().ForeignKey("incidents", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("event_type").AsString(50).NotNullable()
+            .WithColumn("actor_user_id").AsGuid().Nullable().ForeignKey("users", "id").OnDelete(System.Data.Rule.SetNull)
+            .WithColumn("payload").AsString(4000).Nullable()
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime);
+
+        Create.Index("ix_incident_events_incident")
+            .OnTable("incident_events")
+            .OnColumn("incident_id").Ascending()
+            .OnColumn("created_at").Ascending();
+    }
+
+    public override void Down()
+    {
+        Delete.Table("incident_events");
+        Delete.Table("incidents");
+        Delete.Table("services");
+        Delete.Table("org_members");
+        Delete.Table("orgs");
+        Delete.Table("users");
+    }
+}
diff --git a/src/IncidentOps.Infrastructure/Migrations/Migration0002_RefreshTokens.cs b/src/IncidentOps.Infrastructure/Migrations/Migration0002_RefreshTokens.cs
new file mode 100644
index 0000000..c4f1549
--- /dev/null
+++ b/src/IncidentOps.Infrastructure/Migrations/Migration0002_RefreshTokens.cs
@@ -0,0 +1,28 @@
+using FluentMigrator;
+
+namespace IncidentOps.Infrastructure.Migrations;
+
+[Migration(2)]
+public class Migration0002_RefreshTokens : Migration
+{
+    public override void Up()
+    {
+        Create.Table("refresh_tokens")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("user_id").AsGuid().NotNullable().ForeignKey("users", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("token_hash").AsString(255).NotNullable().Unique()
+            .WithColumn("active_org_id").AsGuid().NotNullable().ForeignKey("orgs", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("expires_at").AsDateTime().NotNullable()
+            .WithColumn("revoked_at").AsDateTime().Nullable()
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime);
+
+        Create.Index("ix_refresh_tokens_user")
+            .OnTable("refresh_tokens")
+            .OnColumn("user_id").Ascending();
+    }
+
+    public override void Down()
+    {
+        Delete.Table("refresh_tokens");
+    }
+}
diff --git a/src/IncidentOps.Infrastructure/Migrations/Migration0003_NotificationTargets.cs b/src/IncidentOps.Infrastructure/Migrations/Migration0003_NotificationTargets.cs
new file mode 100644
index 0000000..1893871
--- /dev/null
+++ b/src/IncidentOps.Infrastructure/Migrations/Migration0003_NotificationTargets.cs
@@ -0,0 +1,39 @@
+using FluentMigrator;
+
+namespace IncidentOps.Infrastructure.Migrations;
+
+[Migration(3)]
+public class Migration0003_NotificationTargets : Migration
+{
+    public override void Up()
+    {
+        Create.Table("notification_targets")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("org_id").AsGuid().NotNullable().ForeignKey("orgs", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("name").AsString(255).NotNullable()
+            .WithColumn("target_type").AsString(50).NotNullable()
+            .WithColumn("configuration").AsString(4000).NotNullable()
+            .WithColumn("is_enabled").AsBoolean().NotNullable().WithDefaultValue(true)
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime)
+            .WithColumn("updated_at").AsDateTime().Nullable();
+
+        Create.Table("notification_attempts")
+            .WithColumn("id").AsGuid().PrimaryKey()
+            .WithColumn("incident_id").AsGuid().NotNullable().ForeignKey("incidents", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("target_id").AsGuid().NotNullable().ForeignKey("notification_targets", "id").OnDelete(System.Data.Rule.Cascade)
+            .WithColumn("success").AsBoolean().NotNullable()
+            .WithColumn("error_message").AsString(1000).Nullable()
+            .WithColumn("attempt_number").AsInt32().NotNullable().WithDefaultValue(1)
+            .WithColumn("created_at").AsDateTime().NotNullable().WithDefault(SystemMethods.CurrentUTCDateTime);
+
+        Create.UniqueConstraint("uq_notification_attempts_incident_target")
+            .OnTable("notification_attempts")
+            .Columns("incident_id", "target_id");
+    }
+
+    public override void Down()
+    {
+        Delete.Table("notification_attempts");
+        Delete.Table("notification_targets");
+    }
+}