diff --git a/packages/core-service/prisma/migrations/20260315_master_data/migration.sql b/packages/core-service/prisma/migrations/20260315_master_data/migration.sql
new file mode 100644
index 0000000..2e86346
--- /dev/null
+++ b/packages/core-service/prisma/migrations/20260315_master_data/migration.sql
@@ -0,0 +1,49 @@
+-- CreateTable: Stammdaten (Verwaltete Referenzlisten)
+-- Migration: 20260315_master_data
+
+CREATE TABLE "departments" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" VARCHAR(100) NOT NULL,
+    "sort_order" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "departments_pkey" PRIMARY KEY ("id")
+);
+
+CREATE TABLE "locations" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" VARCHAR(100) NOT NULL,
+    "sort_order" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "locations_pkey" PRIMARY KEY ("id")
+);
+
+CREATE TABLE "cost_centers" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "code" VARCHAR(50) NOT NULL,
+    "name" VARCHAR(100) NOT NULL,
+    "sort_order" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "cost_centers_pkey" PRIMARY KEY ("id")
+);
+
+CREATE TABLE "job_titles" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" VARCHAR(100) NOT NULL,
+    "sort_order" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "job_titles_pkey" PRIMARY KEY ("id")
+);
+
+CREATE TABLE "skill_categories" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "name" VARCHAR(100) NOT NULL,
+    "color" VARCHAR(7),
+    "sort_order" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "skill_categories_pkey" PRIMARY KEY ("id")
+);