diff --git a/tests_smoke/send_many.py b/tests_smoke/send_many.py
new file mode 100644
index 0000000000..62adca2ecd
--- /dev/null
+++ b/tests_smoke/send_many.py
@@ -0,0 +1,72 @@
+import argparse
+import time
+from datetime import datetime
+
+import requests
+from dotenv import load_dotenv
+from smoke.common import (  # type: ignore
+    Config,
+    Notification_type,
+    create_jwt_token,
+    job_line,
+    rows_to_csv,
+    s3upload,
+    set_metadata_on_csv_upload,
+)
+
+DEFAULT_JOB_SIZE = 50000
+
+
+def send_admin_csv(notification_type: Notification_type, job_size: int):
+    """Send a bulk job of notifications by uploading a CSV
+
+    Args:
+        notification_type (Notification_type): email or sms
+        job_size (int): number of notifications to send
+    """
+
+    template_id = Config.EMAIL_TEMPLATE_ID if notification_type == Notification_type.EMAIL else Config.SMS_TEMPLATE_ID
+    to = Config.EMAIL_TO if notification_type == Notification_type.EMAIL else Config.SMS_TO
+    header = "email address" if notification_type == Notification_type.EMAIL else "phone number"
+
+    csv = rows_to_csv([[header, "var"], *job_line(to, job_size)])
+    upload_id = s3upload(Config.SERVICE_ID, csv)
+    metadata_kwargs = {
+        "notification_count": 1,
+        "template_id": template_id,
+        "valid": True,
+        "original_file_name": f"Large send {datetime.utcnow().isoformat()}.csv",
+    }
+    set_metadata_on_csv_upload(Config.SERVICE_ID, upload_id, **metadata_kwargs)
+
+    token = create_jwt_token(Config.ADMIN_CLIENT_SECRET, client_id=Config.ADMIN_CLIENT_USER_NAME)
+    response = requests.post(
+        f"{Config.API_HOST_NAME}/service/{Config.SERVICE_ID}/job",
+        json={"id": upload_id, "created_by": Config.USER_ID},
+        headers={"Authorization": f"Bearer {token}"},
+    )
+    if response.status_code != 201:
+        print(response.json())
+        print("FAILED: post to start send failed")
+        exit(1)
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-n", "--notifications", default=1, type=int, help="total number of notifications")
+    parser.add_argument("-j", "--job_size", default=DEFAULT_JOB_SIZE, type=int, help=f"size of bulk send jobs (default {DEFAULT_JOB_SIZE})")
+    parser.add_argument("--sms", default=False, action='store_true', help="send sms instead of emails")
+
+    args = parser.parse_args()
+    load_dotenv()
+
+    notification_type = Notification_type.SMS if args.sms else Notification_type.EMAIL
+    for start_n in range(0, args.notifications, args.job_size):
+        num_sending = min(args.notifications - start_n, args.job_size)
+        print(f"Sending {start_n} - {start_n + num_sending - 1} of {args.notifications}")
+        send_admin_csv(notification_type, num_sending)
+        time.sleep(1)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/tests_smoke/smoke/common.py b/tests_smoke/smoke/common.py
index 8c189baf19..3b52669b7a 100644
--- a/tests_smoke/smoke/common.py
+++ b/tests_smoke/smoke/common.py
@@ -16,6 +16,10 @@
 from dotenv import load_dotenv
 from notifications_python_client.authentication import create_jwt_token
 
+# from app/config.py
+INTERNAL_TEST_NUMBER = "+16135550123"
+INTERNAL_TEST_EMAIL_ADDRESS = "internal.test@cds-snc.ca"
+
 load_dotenv()
 
 
@@ -32,8 +36,8 @@ class Config:
     AWS_SECRET_ACCESS_KEY = os.environ.get("SMOKE_AWS_SECRET_ACCESS_KEY")
     SERVICE_ID = os.environ.get("SMOKE_SERVICE_ID", "")
     USER_ID = os.environ.get("SMOKE_USER_ID")
-    EMAIL_TO = os.environ.get("SMOKE_EMAIL_TO", "")
-    SMS_TO = os.environ.get("SMOKE_SMS_TO", "")
+    EMAIL_TO = os.environ.get("SMOKE_EMAIL_TO", INTERNAL_TEST_EMAIL_ADDRESS)
+    SMS_TO = os.environ.get("SMOKE_SMS_TO", INTERNAL_TEST_NUMBER)
     EMAIL_TEMPLATE_ID = os.environ.get("SMOKE_EMAIL_TEMPLATE_ID")
     SMS_TEMPLATE_ID = os.environ.get("SMOKE_SMS_TEMPLATE_ID")
     API_KEY = os.environ.get("SMOKE_API_KEY", "")