diff --git a/x-pack/plugins/rollup/server/routes/api/jobs/register_start_route.ts b/x-pack/plugins/rollup/server/routes/api/jobs/register_start_route.ts
index cee0898073da8..d5081fa10e577 100644
--- a/x-pack/plugins/rollup/server/routes/api/jobs/register_start_route.ts
+++ b/x-pack/plugins/rollup/server/routes/api/jobs/register_start_route.ts
@@ -39,18 +39,15 @@ export const registerStartRoute = ({
         return response.ok({ body: data });
       } catch (err) {
         // There is an issue opened on ES to handle the following error correctly
-        // https://github.com/elastic/elasticsearch/issues/42908
-        // Until then we'll modify the response here.
-        if (
-          err?.meta &&
-          err.body?.task_failures[0]?.reason?.reason?.includes(
-            'Job must be [STOPPED] before deletion'
-          )
-        ) {
+        // https://github.com/elastic/elasticsearch/issues/39845, which was addressed in 8.0
+        // but not backported to 7.x because it's breaking. So we need to modify the response
+        // here for 7.x.
+        if (err.meta?.body?.error?.reason?.includes('Cannot start task for Rollup Job')) {
           err.meta.status = 400;
           err.meta.statusCode = 400;
-          err.meta.displayName = 'Bad request';
-          err.message = err.body.task_failures[0].reason.reason;
+          err.body.error.status = 400;
+          err.body.status = 400;
+          err.meta.displayName = 'Bad Request';
         }
         return handleEsError({ error: err, response });
       }
diff --git a/x-pack/test/api_integration/apis/management/rollup/rollup.js b/x-pack/test/api_integration/apis/management/rollup/rollup.js
index 2b630ca7c3a4f..69c8ddfcc4197 100644
--- a/x-pack/test/api_integration/apis/management/rollup/rollup.js
+++ b/x-pack/test/api_integration/apis/management/rollup/rollup.js
@@ -24,8 +24,7 @@ export default function ({ getService }) {
     cleanUp,
   } = registerHelpers(getService);
 
-  // FAILING ES PROMOTION: https://github.com/elastic/kibana/issues/96002
-  describe.skip('jobs', () => {
+  describe('jobs', () => {
     after(() => cleanUp());
 
     describe('indices', () => {
@@ -57,10 +56,16 @@ export default function ({ getService }) {
         expect(body.doesMatchIndices).to.be(true);
         expect(body.doesMatchRollupIndices).to.be(false);
         expect(body.dateFields).to.eql(['testCreatedField']);
-        expect(body.keywordFields).to.eql(['testTagField']);
-
-        // Allowing the test to account for future addition of doc_count
-        expect(body.numericFields.indexOf('testTotalField')).to.be.greaterThan(-1);
+        // '_tier' is an expected metadata field from ES
+        // Order is not guaranteed, so we assert against individual field names
+        ['_tier', 'testTagField'].forEach((keywordField) => {
+          expect(body.keywordFields.includes(keywordField)).to.be(true);
+        });
+        // '_doc_count' is an expected metadata field from ES
+        // Order is not guaranteed, so we assert against individual field names
+        ['_doc_count', 'testTotalField'].forEach((numericField) => {
+          expect(body.numericFields.includes(numericField)).to.be(true);
+        });
       });
 
       it("should not return any fields when the index pattern doesn't match any indices", async () => {