diff --git a/.eslintrc.yml b/.eslintrc.yml
index 80bd7f83037..d5312a02603 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -17,6 +17,14 @@ rules:
   no-redeclare: 0
   no-constant-condition: 0
   no-loss-of-precision: 0
+  no-restricted-syntax: [
+    'error',
+    {
+      message: "Invalid load call. Please convert your library to a module and import it instead.",
+      selector:
+        'CallExpression > Identifier[name="load"]'
+    }
+  ]
 
 globals:
   TestData: true
diff --git a/buildscripts/resmokeconfig/suites/fcv_upgrade_downgrade_sharded_collections_jscore_passthrough.yml b/buildscripts/resmokeconfig/suites/fcv_upgrade_downgrade_sharded_collections_jscore_passthrough.yml
index f40e30e00e5..dc5840f072c 100644
--- a/buildscripts/resmokeconfig/suites/fcv_upgrade_downgrade_sharded_collections_jscore_passthrough.yml
+++ b/buildscripts/resmokeconfig/suites/fcv_upgrade_downgrade_sharded_collections_jscore_passthrough.yml
@@ -180,8 +180,8 @@ executor:
   config:
     shell_options:
       eval: >-
-        load("jstests/libs/override_methods/retry_aborted_db_and_index_creation.js");
-        load("jstests/libs/override_methods/implicitly_shard_accessed_collections.js");
+        await import("jstests/libs/override_methods/retry_aborted_db_and_index_creation.js");
+        await import("jstests/libs/override_methods/implicitly_shard_accessed_collections.js");
   hooks:
   - class: CheckReplDBHash
   - class: CheckMetadataConsistencyInBackground
diff --git a/buildscripts/resmokeconfig/suites/fcv_upgrade_downgrade_sharding_jscore_passthrough.yml b/buildscripts/resmokeconfig/suites/fcv_upgrade_downgrade_sharding_jscore_passthrough.yml
index e0e921bdb70..d998631c736 100644
--- a/buildscripts/resmokeconfig/suites/fcv_upgrade_downgrade_sharding_jscore_passthrough.yml
+++ b/buildscripts/resmokeconfig/suites/fcv_upgrade_downgrade_sharding_jscore_passthrough.yml
@@ -134,7 +134,7 @@ executor:
   config:
     shell_options:
       eval: >-
-        load("jstests/libs/override_methods/retry_aborted_db_and_index_creation.js");
+        await import("jstests/libs/override_methods/retry_aborted_db_and_index_creation.js");
   hooks:
   - class: CheckReplDBHash
   - class: CheckMetadataConsistencyInBackground
diff --git a/etc/system_perf.yml b/etc/system_perf.yml
index 3f1b748fe4a..2bf81ee2580 100755
--- a/etc/system_perf.yml
+++ b/etc/system_perf.yml
@@ -405,7 +405,7 @@ functions:
               cat << EOF > mongodb/jstests/hooks/run_validate_collections.js
               print("NOTE: run_validate_collections.js will skip the oplog!");
               TestData = { skipValidationNamespaces: ['local.oplog.rs'] };
-              load('jstests/hooks/run_validate_collections.actual.js');
+              await import("jstests/hooks/run_validate_collections.actual.js");
           EOF
             fi
             tar czf mongodb${compile_variant|}.tar.gz mongodb
diff --git a/jstests/core/query/number/numberlong.js b/jstests/core/query/number/numberlong.js
index 5db5f199782..acb1823d459 100644
--- a/jstests/core/query/number/numberlong.js
+++ b/jstests/core/query/number/numberlong.js
@@ -204,7 +204,8 @@ var getCompletions = function(prefix) {
     return __autocomplete__;
 };
 
-var myNumberLong = new NumberLong();
+// assign `myNumberLong` to `globalThis` in case we are being run from another shell context.
+globalThis.myNumberLong = new NumberLong();
 var completions = getCompletions('myNumberLong.');
 assert(completions.indexOf('myNumberLong.floatApprox') >= 0);
 assert(completions.indexOf('myNumberLong.top') >= 0);
diff --git a/jstests/libs/txns/txn_passthrough_runner.js b/jstests/libs/txns/txn_passthrough_runner.js
index bfe0e0103b7..4b2dc87681a 100644
--- a/jstests/libs/txns/txn_passthrough_runner.js
+++ b/jstests/libs/txns/txn_passthrough_runner.js
@@ -1,7 +1,7 @@
 const testFile = TestData.multiStmtTxnTestFile;
 
 try {
-    load(testFile);
+    await import(testFile);
 } finally {
     // Run a lightweight command to allow the override file to commit the last command.
     // Ensure this command runs even if the test errors.
diff --git a/jstests/noPassthrough/shell_load_file.js b/jstests/noPassthrough/shell_load_file.js
index f7e55c815d8..38533586e5f 100644
--- a/jstests/noPassthrough/shell_load_file.js
+++ b/jstests/noPassthrough/shell_load_file.js
@@ -16,6 +16,7 @@ if (TestData.loadDepth >= 3) {
 }
 
 try {
+    /* eslint-disable-next-line no-restricted-syntax */
     load("jstests/noPassthrough/shell_load_file.js");
 } catch (e) {
     TestData.loadErrors.push(e);
@@ -35,4 +36,4 @@ for (let i = 0; i < TestData.loadErrors.length; ++i) {
             /@jstests\\noPassthrough\\shell_load_file.js:/.test(error.stack),
         () => "JavaScript stacktrace from load() didn't include file paths (AKA stack frames): " +
             error.stack);
-}
\ No newline at end of file
+}
diff --git a/jstests/noPassthrough/shell_scoped_thread.js b/jstests/noPassthrough/shell_scoped_thread.js
index bd4a85ef2eb..ce38247e56a 100644
--- a/jstests/noPassthrough/shell_scoped_thread.js
+++ b/jstests/noPassthrough/shell_scoped_thread.js
@@ -150,9 +150,11 @@ tests.push(function testUncaughtExceptionInNativeCode() {
 
 tests.push(function testUncaughtExceptionFromNestedThreads() {
     const thread = new Thread(function myFunction1() {
+        /* eslint-disable-next-line no-restricted-syntax */
         load("jstests/libs/legacyThreadSupport.js");
 
         const thread = new Thread(function myFunction2() {
+            /* eslint-disable-next-line no-restricted-syntax */
             load("jstests/libs/legacyThreadSupport.js");
 
             const thread = new Thread(function myFunction3() {
diff --git a/jstests/sharding/fsync_deadlock.js b/jstests/sharding/fsync_deadlock.js
index 66e1475a345..b5a6b57a21b 100644
--- a/jstests/sharding/fsync_deadlock.js
+++ b/jstests/sharding/fsync_deadlock.js
@@ -8,11 +8,7 @@ runs an fsyncLock which should fail and timeout as the global S lock cannot be t
  * ]
  */
 import {configureFailPoint} from "jstests/libs/fail_point_util.js";
-
-(function() {
-'use strict';
-
-load("jstests/libs/parallelTester.js");
+import {Thread} from "jstests/libs/parallelTester.js";
 
 const st = new ShardingTest({
     shards: 2,
@@ -92,8 +88,5 @@ sleep(100);
 writeDecisionFp.off();
 
 fsyncLockThread.join();
-
 txnThread.join();
-
 st.stop();
-})();
diff --git a/src/mongo/shell/replsettest.js b/src/mongo/shell/replsettest.js
index bd04a6724c3..7449819351a 100644
--- a/src/mongo/shell/replsettest.js
+++ b/src/mongo/shell/replsettest.js
@@ -104,6 +104,7 @@ var ReplSetTest = function ReplSetTest(opts) {
         }
 
         try {
+            /* eslint-disable-next-line no-restricted-syntax */
             load("jstests/libs/legacyThreadSupport.js");  // For Thread.
             return true;
         } catch (e) {
@@ -3440,7 +3441,6 @@ var ReplSetTest = function ReplSetTest(opts) {
             print("ReplSetTest stopSet skipping validation before stopping nodes.");
         } else if (parallelValidate) {
             print("ReplSetTest stopSet validating all replica set nodes before stopping them.");
-            print(`   FOR PORTS: [${tojson(this.ports)}]`);
             this._validateNodes(this.ports);
         }
 
diff --git a/src/mongo/shell/shardingtest.js b/src/mongo/shell/shardingtest.js
index 22aa2add630..dfe1fd8fe78 100644
--- a/src/mongo/shell/shardingtest.js
+++ b/src/mongo/shell/shardingtest.js
@@ -128,6 +128,7 @@ var ShardingTest = function ShardingTest(params) {
         }
 
         try {
+            /* eslint-disable-next-line no-restricted-syntax */
             load("jstests/libs/legacyThreadSupport.js");  // For Thread.
             return true;
         } catch (e) {