diff --git a/.changeset/quick-papayas-perform.md b/.changeset/quick-papayas-perform.md
new file mode 100644
index 000000000..a845151cc
--- /dev/null
+++ b/.changeset/quick-papayas-perform.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/incubator/build/jest.config.js b/incubator/build/jest.config.js
new file mode 100644
index 000000000..514ad1e00
--- /dev/null
+++ b/incubator/build/jest.config.js
@@ -0,0 +1,26 @@
+import * as fs from "node:fs";
+
+const needsTransforming = [
+  "find-up",
+  "locate-path",
+  "p-limit",
+  "p-locate",
+  "path-exists",
+  "yocto-queue",
+].join("|");
+
+function isPnpmMode() {
+  const url = new URL("../../.yarnrc.yml", import.meta.url);
+  const yarnConfig = fs.readFileSync(url, { encoding: "utf-8" });
+  return yarnConfig.includes("nodeLinker: pnpm");
+}
+
+export default {
+  preset: "@rnx-kit/jest-preset/private",
+  resolver: "@rnx-kit/jest-preset/typescript-esm-resolver.cjs",
+  transformIgnorePatterns: [
+    isPnpmMode()
+      ? `/node_modules/.store/(?!(${needsTransforming})-npm)`
+      : `/node_modules/(?!(${needsTransforming})/)`,
+  ],
+};
diff --git a/incubator/build/package.json b/incubator/build/package.json
index 679f23c55..74a228d4e 100644
--- a/incubator/build/package.json
+++ b/incubator/build/package.json
@@ -56,6 +56,8 @@
     "@rnx-kit/eslint-config": "*",
     "@rnx-kit/jest-preset": "*",
     "@rnx-kit/scripts": "*",
+    "@types/jest": "^29.2.1",
+    "@types/node": "^18.0.0",
     "@types/qrcode": "^1.4.2",
     "@types/yargs": "^16.0.0",
     "eslint": "^8.0.0",
@@ -66,12 +68,5 @@
   "engines": {
     "node": ">=18.12"
   },
-  "jest": {
-    "preset": "@rnx-kit/jest-preset/private",
-    "resolver": "@rnx-kit/jest-preset/typescript-esm-resolver.cjs",
-    "transformIgnorePatterns": [
-      "/node_modules/(?!(find-up|locate-path|p-limit|p-locate|path-exists|yocto-queue)/)"
-    ]
-  },
   "experimental": true
 }
diff --git a/package.json b/package.json
index 9c5c49b0c..191263821 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,8 @@
     "@babel/core": "^7.0.0",
     "@babel/preset-env": "^7.0.0",
     "@changesets/cli": "^2.22.0",
+    "@types/jest": "^29.2.1",
+    "@types/node": "^18.0.0",
     "eslint": "^8.0.0",
     "jest-cli": "^29.2.1",
     "metro": "^0.76.5",
diff --git a/packages/tools-workspaces/src/common.ts b/packages/tools-workspaces/src/common.ts
index 5c8f0a3ca..0821f5b41 100644
--- a/packages/tools-workspaces/src/common.ts
+++ b/packages/tools-workspaces/src/common.ts
@@ -32,9 +32,10 @@ function dirnameAll(paths: string[]): string[] {
 }
 
 function makeFindSentinel<R>(finder: (name: string[]) => R) {
+  const isTesting = Boolean(process.env.JEST_WORKER_ID);
   let result: R | undefined;
   return () => {
-    if (process.env.JEST_WORKER_ID || !result) {
+    if (isTesting || !result) {
       result = finder(WORKSPACE_ROOT_SENTINELS);
     }
     return result;
diff --git a/yarn.lock b/yarn.lock
index a7f5b997c..776bd7bd2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3463,6 +3463,8 @@ __metadata:
     "@rnx-kit/eslint-config": "*"
     "@rnx-kit/jest-preset": "*"
     "@rnx-kit/scripts": "*"
+    "@types/jest": ^29.2.1
+    "@types/node": ^18.0.0
     "@types/qrcode": ^1.4.2
     "@types/yargs": ^16.0.0
     env-paths: ^3.0.0
@@ -12597,6 +12599,8 @@ __metadata:
     "@babel/core": ^7.0.0
     "@babel/preset-env": ^7.0.0
     "@changesets/cli": ^2.22.0
+    "@types/jest": ^29.2.1
+    "@types/node": ^18.0.0
     eslint: ^8.0.0
     jest-cli: ^29.2.1
     metro: ^0.76.5