diff --git a/src/dev/jest/integration_tests/junit_reporter.test.js b/src/dev/jest/integration_tests/junit_reporter.test.js
index b2ceedfb9f711..c26c8cfad8025 100644
--- a/src/dev/jest/integration_tests/junit_reporter.test.js
+++ b/src/dev/jest/integration_tests/junit_reporter.test.js
@@ -29,7 +29,7 @@ const MINUTE = 1000 * 60;
 const ROOT_DIR = resolve(__dirname, '../../../../');
 const FIXTURE_DIR = resolve(__dirname, '__fixtures__');
 const TARGET_DIR = resolve(FIXTURE_DIR, 'target');
-const XML_PATH = resolve(TARGET_DIR, 'junit', process.env.JOB || '.', 'TEST-Jest Tests.xml');
+const XML_PATH = resolve(TARGET_DIR, 'junit', process.env.JOB || '.', `TEST-${process.env.JOB ? process.env.JOB + '-' : ''}Jest Tests.xml`);
 
 afterAll(async () => {
   await del(TARGET_DIR);
diff --git a/src/dev/jest/junit_reporter.js b/src/dev/jest/junit_reporter.js
index a1dcd0ba50261..0f748eff91e56 100644
--- a/src/dev/jest/junit_reporter.js
+++ b/src/dev/jest/junit_reporter.js
@@ -107,7 +107,7 @@ export default class JestJUnitReporter {
       rootDirectory,
       'target/junit',
       process.env.JOB || '.',
-      `TEST-${reportName}.xml`
+      `TEST-${process.env.JOB ? process.env.JOB + '-' : ''}${reportName}.xml`
     );
 
     const reportXML = root.end({
diff --git a/src/dev/mocha/__tests__/junit_report_generation.js b/src/dev/mocha/__tests__/junit_report_generation.js
index 0e23662bdd84f..4ed81871403b6 100644
--- a/src/dev/mocha/__tests__/junit_report_generation.js
+++ b/src/dev/mocha/__tests__/junit_report_generation.js
@@ -50,7 +50,11 @@ describe('dev/mocha/junit report generation', () => {
     mocha.addFile(resolve(PROJECT_DIR, 'test.js'));
     await new Promise(resolve => mocha.run(resolve));
     const report = await fcb(cb =>
-      parseString(readFileSync(resolve(PROJECT_DIR, 'target/junit', process.env.JOB || '.', 'TEST-test.xml')), cb)
+      parseString(
+        readFileSync(
+          resolve(PROJECT_DIR, 'target/junit', process.env.JOB || '.', `TEST-${process.env.JOB ? process.env.JOB + '-' : ''}test.xml`)
+        ), cb
+      )
     );
 
     // test case results are wrapped in <testsuites></testsuites>
diff --git a/src/dev/mocha/junit_report_generation.js b/src/dev/mocha/junit_report_generation.js
index 7a2f45a819a04..b7222cfd0fb3c 100644
--- a/src/dev/mocha/junit_report_generation.js
+++ b/src/dev/mocha/junit_report_generation.js
@@ -146,7 +146,7 @@ export function setupJUnitReportGeneration(runner, options = {}) {
       rootDirectory,
       'target/junit',
       process.env.JOB || '.',
-      `TEST-${reportName}.xml`
+      `TEST-${process.env.JOB ? process.env.JOB + '-' : ''}${reportName}.xml`
     );
 
     const reportXML = builder.end({
diff --git a/tasks/config/karma.js b/tasks/config/karma.js
index 8e4d7b01d4a37..16947a97a3d14 100644
--- a/tasks/config/karma.js
+++ b/tasks/config/karma.js
@@ -67,7 +67,7 @@ module.exports = function (grunt) {
       reporters: process.env.CI ? ['dots', 'junit'] : ['progress'],
 
       junitReporter: {
-        outputFile: resolve(ROOT, 'target/junit', process.env.JOB || '.', 'TEST-karma.xml'),
+        outputFile: resolve(ROOT, 'target/junit', process.env.JOB || '.', `TEST-${process.env.JOB ? process.env.JOB + '-' : ''}karma.xml`),
         useBrowserName: false,
         nameFormatter: (browser, result) => [...result.suite, result.description].join(' '),
         classNameFormatter: (browser, result) => {