diff --git a/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemDetail/MiscSystemDetail.jsx b/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemDetail/MiscSystemDetail.jsx
index 02f37b2d966d..54eac90e9fe1 100644
--- a/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemDetail/MiscSystemDetail.jsx
+++ b/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemDetail/MiscSystemDetail.jsx
@@ -9,7 +9,7 @@ import ContentError from '../../../../components/ContentError';
 import ContentLoading from '../../../../components/ContentLoading';
 import { DetailList } from '../../../../components/DetailList';
 import RoutedTabs from '../../../../components/RoutedTabs';
-import { SettingsAPI } from '../../../../api';
+import { SettingsAPI, ExecutionEnvironmentsAPI } from '../../../../api';
 import useRequest from '../../../../util/useRequest';
 import { useConfig } from '../../../../contexts/Config';
 import { useSettings } from '../../../../contexts/Settings';
@@ -23,7 +23,15 @@ function MiscSystemDetail({ i18n }) {
   const { isLoading, error, request, result: system } = useRequest(
     useCallback(async () => {
       const { data } = await SettingsAPI.readCategory('all');
-
+      let DEFAULT_EXECUTION_ENVIRONMENT = '';
+      if (data.DEFAULT_EXECUTION_ENVIRONMENT) {
+        const {
+          data: { name },
+        } = await ExecutionEnvironmentsAPI.readDetail(
+          data.DEFAULT_EXECUTION_ENVIRONMENT
+        );
+        DEFAULT_EXECUTION_ENVIRONMENT = name;
+      }
       const {
         OAUTH2_PROVIDER: {
           ACCESS_TOKEN_EXPIRE_SECONDS,
@@ -49,19 +57,17 @@ function MiscSystemDetail({ i18n }) {
         'SESSION_COOKIE_AGE',
         'TOWER_URL_BASE'
       );
-
       const systemData = {
         ...pluckedSystemData,
         ACCESS_TOKEN_EXPIRE_SECONDS,
         REFRESH_TOKEN_EXPIRE_SECONDS,
         AUTHORIZATION_CODE_EXPIRE_SECONDS,
+        DEFAULT_EXECUTION_ENVIRONMENT,
       };
-
       const {
         OAUTH2_PROVIDER: OAUTH2_PROVIDER_OPTIONS,
         ...options
       } = allOptions;
-
       const systemOptions = {
         ...options,
         ACCESS_TOKEN_EXPIRE_SECONDS: {
@@ -80,7 +86,6 @@ function MiscSystemDetail({ i18n }) {
           label: i18n._(t`Authorization Code Expiration`),
         },
       };
-
       const mergedData = {};
       Object.keys(systemData).forEach(key => {
         mergedData[key] = systemOptions[key];
diff --git a/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemDetail/MiscSystemDetail.test.jsx b/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemDetail/MiscSystemDetail.test.jsx
index aa8b2e334d20..d03193cef991 100644
--- a/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemDetail/MiscSystemDetail.test.jsx
+++ b/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemDetail/MiscSystemDetail.test.jsx
@@ -5,7 +5,7 @@ import {
   waitForElement,
 } from '../../../../../testUtils/enzymeHelpers';
 import { SettingsProvider } from '../../../../contexts/Settings';
-import { SettingsAPI } from '../../../../api';
+import { SettingsAPI, ExecutionEnvironmentsAPI } from '../../../../api';
 import {
   assertDetail,
   assertVariableDetail,
@@ -14,13 +14,14 @@ import mockAllOptions from '../../shared/data.allSettingOptions.json';
 import MiscSystemDetail from './MiscSystemDetail';
 
 jest.mock('../../../../api/models/Settings');
+jest.mock('../../../../api/models/ExecutionEnvironments');
+
 SettingsAPI.readCategory.mockResolvedValue({
   data: {
     ALLOW_OAUTH2_FOR_EXTERNAL_USERS: false,
     AUTH_BASIC_ENABLED: true,
     AUTOMATION_ANALYTICS_GATHER_INTERVAL: 14400,
     AUTOMATION_ANALYTICS_URL: 'https://example.com',
-    CUSTOM_VENV_PATHS: [],
     INSIGHTS_TRACKING_STATE: false,
     LOGIN_REDIRECT_OVERRIDE: 'https://redirect.com',
     MANAGE_ORGANIZATION_AUTH: true,
@@ -36,6 +37,16 @@ SettingsAPI.readCategory.mockResolvedValue({
     SESSIONS_PER_USER: -1,
     SESSION_COOKIE_AGE: 30000000000,
     TOWER_URL_BASE: 'https://towerhost',
+    DEFAULT_EXECUTION_ENVIRONMENT: 1,
+  },
+});
+
+ExecutionEnvironmentsAPI.readDetail.mockResolvedValue({
+  data: {
+    id: 1,
+    name: 'Foo',
+    image: 'quay.io/ansible/awx-ee',
+    pull: 'missing',
   },
 });
 
@@ -110,6 +121,71 @@ describe('<MiscSystemDetail />', () => {
     assertDetail(wrapper, 'Red Hat customer username', 'mock name');
     assertDetail(wrapper, 'Refresh Token Expiration', '3 seconds');
     assertVariableDetail(wrapper, 'Remote Host Headers', '[]');
+    assertDetail(wrapper, 'Global default execution environment', 'Foo');
+  });
+
+  test('should render execution environment as not configured', async () => {
+    ExecutionEnvironmentsAPI.readDetail.mockResolvedValue({
+      data: {},
+    });
+    const newWrapper = mountWithContexts(
+      <SettingsProvider
+        value={{
+          ...mockAllOptions.actions,
+          DEFAULT_EXECUTION_ENVIRONMENT: null,
+        }}
+      >
+        <MiscSystemDetail />
+      </SettingsProvider>
+    );
+    await waitForElement(newWrapper, 'ContentLoading', el => el.length === 0);
+
+    assertDetail(newWrapper, 'Access Token Expiration', '1 seconds');
+    assertDetail(newWrapper, 'All Users Visible to Organization Admins', 'On');
+    assertDetail(
+      newWrapper,
+      'Allow External Users to Create OAuth2 Tokens',
+      'Off'
+    );
+    assertDetail(newWrapper, 'Authorization Code Expiration', '2 seconds');
+    assertDetail(
+      newWrapper,
+      'Automation Analytics Gather Interval',
+      '14400 seconds'
+    );
+    assertDetail(
+      newWrapper,
+      'Automation Analytics upload URL',
+      'https://example.com'
+    );
+    assertDetail(newWrapper, 'Base URL of the Tower host', 'https://towerhost');
+    assertDetail(newWrapper, 'Enable HTTP Basic Auth', 'On');
+    assertDetail(newWrapper, 'Gather data for Automation Analytics', 'Off');
+    assertDetail(newWrapper, 'Idle Time Force Log Out', '30000000000 seconds');
+    assertDetail(
+      newWrapper,
+      'Login redirect override URL',
+      'https://redirect.com'
+    );
+    assertDetail(
+      newWrapper,
+      'Maximum number of simultaneous logged in sessions',
+      '-1'
+    );
+    assertDetail(
+      newWrapper,
+      'Organization Admins Can Manage Users and Teams',
+      'On'
+    );
+    assertDetail(newWrapper, 'Red Hat customer password', 'Encrypted');
+    assertDetail(newWrapper, 'Red Hat customer username', 'mock name');
+    assertDetail(newWrapper, 'Refresh Token Expiration', '3 seconds');
+    assertVariableDetail(newWrapper, 'Remote Host Headers', '[]');
+    assertDetail(
+      newWrapper,
+      'Global default execution environment',
+      'Not configured'
+    );
   });
 
   test('should hide edit button from non-superusers', async () => {
diff --git a/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemEdit/MiscSystemEdit.jsx b/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemEdit/MiscSystemEdit.jsx
index bb19b52f215c..bba4801cf265 100644
--- a/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemEdit/MiscSystemEdit.jsx
+++ b/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemEdit/MiscSystemEdit.jsx
@@ -2,7 +2,7 @@ import React, { useCallback, useEffect } from 'react';
 import { useHistory } from 'react-router-dom';
 import { withI18n } from '@lingui/react';
 import { t } from '@lingui/macro';
-import { Formik } from 'formik';
+import { Formik, useField } from 'formik';
 import { Form } from '@patternfly/react-core';
 import { CardBody } from '../../../../components/Card';
 import ContentError from '../../../../components/ContentError';
@@ -20,8 +20,31 @@ import {
 } from '../../shared';
 import useModal from '../../../../util/useModal';
 import useRequest from '../../../../util/useRequest';
-import { SettingsAPI } from '../../../../api';
+import { SettingsAPI, ExecutionEnvironmentsAPI } from '../../../../api';
 import { pluck, formatJson } from '../../shared/settingUtils';
+import { ExecutionEnvironmentLookup } from '../../../../components/Lookup';
+
+const ExecutionEnvironmentLookupField = () => {
+  const [
+    executionEnvironmentField,
+    executionEnvironmentMeta,
+    executionEnvironmentHelpers,
+  ] = useField({
+    name: 'DEFAULT_EXECUTION_ENVIRONMENT',
+  });
+
+  return (
+    <ExecutionEnvironmentLookup
+      helperTextInvalid={executionEnvironmentMeta.error}
+      isValid={
+        !executionEnvironmentMeta.touched || !executionEnvironmentMeta.error
+      }
+      onBlur={() => executionEnvironmentHelpers.setTouched()}
+      value={executionEnvironmentField.value}
+      onChange={value => executionEnvironmentHelpers.setValue(value)}
+    />
+  );
+};
 
 function MiscSystemEdit({ i18n }) {
   const history = useHistory();
@@ -44,7 +67,6 @@ function MiscSystemEdit({ i18n }) {
         'AUTH_BASIC_ENABLED',
         'AUTOMATION_ANALYTICS_GATHER_INTERVAL',
         'AUTOMATION_ANALYTICS_URL',
-        'CUSTOM_VENV_PATHS',
         'INSIGHTS_TRACKING_STATE',
         'LOGIN_REDIRECT_OVERRIDE',
         'MANAGE_ORGANIZATION_AUTH',
@@ -55,7 +77,8 @@ function MiscSystemEdit({ i18n }) {
         'REMOTE_HOST_HEADERS',
         'SESSIONS_PER_USER',
         'SESSION_COOKIE_AGE',
-        'TOWER_URL_BASE'
+        'TOWER_URL_BASE',
+        'DEFAULT_EXECUTION_ENVIRONMENT'
       );
 
       const systemData = {
@@ -128,6 +151,7 @@ function MiscSystemEdit({ i18n }) {
       AUTHORIZATION_CODE_EXPIRE_SECONDS,
       ...formData
     } = form;
+
     await submitForm({
       ...formData,
       REMOTE_HOST_HEADERS: formatJson(formData.REMOTE_HOST_HEADERS),
@@ -136,6 +160,8 @@ function MiscSystemEdit({ i18n }) {
         REFRESH_TOKEN_EXPIRE_SECONDS,
         AUTHORIZATION_CODE_EXPIRE_SECONDS,
       },
+      DEFAULT_EXECUTION_ENVIRONMENT:
+        formData.DEFAULT_EXECUTION_ENVIRONMENT?.id || null,
     });
   };
 
@@ -178,16 +204,51 @@ function MiscSystemEdit({ i18n }) {
       return acc;
     }, {});
 
+  const executionEnvironmentId =
+    system?.DEFAULT_EXECUTION_ENVIRONMENT?.value || null;
+
+  const {
+    isLoading: isLoadingExecutionEnvironment,
+    error: errorExecutionEnvironment,
+    request: fetchExecutionEnvironment,
+    result: executionEnvironment,
+  } = useRequest(
+    useCallback(async () => {
+      if (!executionEnvironmentId) {
+        return '';
+      }
+      const { data } = await ExecutionEnvironmentsAPI.readDetail(
+        executionEnvironmentId
+      );
+      return data;
+    }, [executionEnvironmentId])
+  );
+
+  useEffect(() => {
+    fetchExecutionEnvironment();
+  }, [fetchExecutionEnvironment]);
+
   return (
     <CardBody>
-      {isLoading && <ContentLoading />}
-      {!isLoading && error && <ContentError error={error} />}
-      {!isLoading && system && (
-        <Formik initialValues={initialValues(system)} onSubmit={handleSubmit}>
+      {(isLoading || isLoadingExecutionEnvironment) && <ContentLoading />}
+      {!(isLoading || isLoadingExecutionEnvironment) && error && (
+        <ContentError error={error || errorExecutionEnvironment} />
+      )}
+      {!(isLoading || isLoadingExecutionEnvironment) && system && (
+        <Formik
+          initialValues={{
+            ...initialValues(system),
+            DEFAULT_EXECUTION_ENVIRONMENT: executionEnvironment
+              ? { id: executionEnvironment.id, name: executionEnvironment.name }
+              : null,
+          }}
+          onSubmit={handleSubmit}
+        >
           {formik => {
             return (
               <Form autoComplete="off" onSubmit={formik.handleSubmit}>
                 <FormColumnLayout>
+                  <ExecutionEnvironmentLookupField />
                   <InputField
                     name="TOWER_URL_BASE"
                     config={system.TOWER_URL_BASE}
diff --git a/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemEdit/MiscSystemEdit.test.jsx b/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemEdit/MiscSystemEdit.test.jsx
index 74b483f1b7a5..366798d1b567 100644
--- a/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemEdit/MiscSystemEdit.test.jsx
+++ b/awx/ui_next/src/screens/Setting/MiscSystem/MiscSystemEdit/MiscSystemEdit.test.jsx
@@ -8,14 +8,55 @@ import {
 import mockAllOptions from '../../shared/data.allSettingOptions.json';
 import mockAllSettings from '../../shared/data.allSettings.json';
 import { SettingsProvider } from '../../../../contexts/Settings';
-import { SettingsAPI } from '../../../../api';
+import { SettingsAPI, ExecutionEnvironmentsAPI } from '../../../../api';
 import MiscSystemEdit from './MiscSystemEdit';
 
 jest.mock('../../../../api/models/Settings');
+jest.mock('../../../../api/models/ExecutionEnvironments');
+
 SettingsAPI.updateAll.mockResolvedValue({});
 SettingsAPI.readCategory.mockResolvedValue({
   data: mockAllSettings,
 });
+
+const mockExecutionEnvironment = [
+  {
+    id: 1,
+    name: 'Default EE',
+    description: '',
+    image: 'quay.io/ansible/awx-ee',
+  },
+];
+
+ExecutionEnvironmentsAPI.read.mockResolvedValue({
+  data: {
+    results: mockExecutionEnvironment,
+    count: 1,
+  },
+});
+
+const systemData = {
+  ALLOW_OAUTH2_FOR_EXTERNAL_USERS: false,
+  AUTH_BASIC_ENABLED: true,
+  AUTOMATION_ANALYTICS_GATHER_INTERVAL: 14400,
+  AUTOMATION_ANALYTICS_URL: 'https://example.com',
+  DEFAULT_EXECUTION_ENVIRONMENT: 1,
+  INSIGHTS_TRACKING_STATE: false,
+  LOGIN_REDIRECT_OVERRIDE: '',
+  MANAGE_ORGANIZATION_AUTH: true,
+  OAUTH2_PROVIDER: {
+    ACCESS_TOKEN_EXPIRE_SECONDS: 31536000000,
+    AUTHORIZATION_CODE_EXPIRE_SECONDS: 600,
+    REFRESH_TOKEN_EXPIRE_SECONDS: 2628000,
+  },
+  ORG_ADMINS_CAN_SEE_ALL_USERS: true,
+  REDHAT_PASSWORD: '',
+  REDHAT_USERNAME: '',
+  REMOTE_HOST_HEADERS: ['REMOTE_ADDR', 'REMOTE_HOST'],
+  SESSIONS_PER_USER: -1,
+  SESSION_COOKIE_AGE: 1800,
+  TOWER_URL_BASE: 'https://localhost:3000',
+};
 describe('<MiscSystemEdit />', () => {
   let wrapper;
   let history;
@@ -42,8 +83,38 @@ describe('<MiscSystemEdit />', () => {
     await waitForElement(wrapper, 'ContentLoading', el => el.length === 0);
   });
 
-  test('initially renders without crashing', () => {
+  test('initially renders without crashing', async () => {
+    expect(wrapper.find('MiscSystemEdit').length).toBe(1);
+  });
+
+  test('save button should call updateAll', async () => {
     expect(wrapper.find('MiscSystemEdit').length).toBe(1);
+
+    wrapper.find('ExecutionEnvironmentLookup').invoke('onChange')({
+      id: 1,
+      name: 'Foo',
+    });
+    wrapper.update();
+    await act(async () => {
+      wrapper.find('button[aria-label="Save"]').simulate('click');
+    });
+    wrapper.update();
+    expect(SettingsAPI.updateAll).toHaveBeenCalledWith(systemData);
+  });
+
+  test('should remove execution environment', async () => {
+    expect(wrapper.find('MiscSystemEdit').length).toBe(1);
+
+    wrapper.find('ExecutionEnvironmentLookup').invoke('onChange')(null);
+    wrapper.update();
+    await act(async () => {
+      wrapper.find('button[aria-label="Save"]').simulate('click');
+    });
+
+    expect(SettingsAPI.updateAll).toHaveBeenCalledWith({
+      ...systemData,
+      DEFAULT_EXECUTION_ENVIRONMENT: null,
+    });
   });
 
   test('should successfully send default values to api on form revert all', async () => {
diff --git a/awx/ui_next/src/screens/Setting/shared/SettingDetail.jsx b/awx/ui_next/src/screens/Setting/shared/SettingDetail.jsx
index d58c89e721c1..fc6498b67eff 100644
--- a/awx/ui_next/src/screens/Setting/shared/SettingDetail.jsx
+++ b/awx/ui_next/src/screens/Setting/shared/SettingDetail.jsx
@@ -88,6 +88,8 @@ export default withI18n()(
         );
         break;
       case 'choice':
+      case 'field':
+      case 'string':
         detail = (
           <Detail
             alwaysVisible
@@ -110,18 +112,6 @@ export default withI18n()(
           />
         );
         break;
-      case 'string':
-        detail = (
-          <Detail
-            alwaysVisible
-            dataCy={id}
-            helpText={helpText}
-            isNotConfigured={!value}
-            label={label}
-            value={!value ? i18n._(t`Not configured`) : value}
-          />
-        );
-        break;
       default:
         detail = null;
     }
diff --git a/awx/ui_next/src/screens/Setting/shared/data.allSettingOptions.json b/awx/ui_next/src/screens/Setting/shared/data.allSettingOptions.json
index 758e267ed392..6909ecf3a474 100644
--- a/awx/ui_next/src/screens/Setting/shared/data.allSettingOptions.json
+++ b/awx/ui_next/src/screens/Setting/shared/data.allSettingOptions.json
@@ -2963,7 +2963,15 @@
               "child": {
                   "type": "field"
               }
-          }
+          },
+          "DEFAULT_EXECUTION_ENVIRONMENT": {
+            "type": "field",
+            "label": "Global default execution environment",
+            "help_text": ".",
+            "category": "System",
+            "category_slug": "system",
+            "defined_in_file": false
+        }
       },
       "PUT": {
           "ACTIVITY_STREAM_ENABLED": {
@@ -7091,6 +7099,15 @@
                   "read_only": false
               }
           },
+          "DEFAULT_EXECUTION_ENVIRONMENT": {
+            "type": "field",
+            "required": false,
+            "label": "Global default execution environment",
+            "help_text": ".",
+            "category": "System",
+            "category_slug": "system",
+            "default": null
+        },
           "SOCIAL_AUTH_SAML_TEAM_ATTR": {
               "type": "nested object",
               "required": false,
diff --git a/awx/ui_next/src/screens/Setting/shared/data.allSettings.json b/awx/ui_next/src/screens/Setting/shared/data.allSettings.json
index 2567289cf79f..22616542f309 100644
--- a/awx/ui_next/src/screens/Setting/shared/data.allSettings.json
+++ b/awx/ui_next/src/screens/Setting/shared/data.allSettings.json
@@ -305,5 +305,6 @@
     "applications":{"fields":["name"],"adj_list":[["organization","organizations"]]},
     "users":{"fields":["username"],"adj_list":[]},
     "instances":{"fields":["hostname"],"adj_list":[]}
-  }
+  },
+  "DEFAULT_EXECUTION_ENVIRONMENT": 1
 }
\ No newline at end of file