diff --git a/atst/forms/officers.py b/atst/forms/officers.py
index 4df1f5a7..1bbb14e3 100644
--- a/atst/forms/officers.py
+++ b/atst/forms/officers.py
@@ -1,7 +1,7 @@
 from flask_wtf import FlaskForm
 from wtforms.fields import StringField
 from wtforms.fields.html5 import TelField
-from wtforms.validators import Length, Optional
+from wtforms.validators import Email, Length, Optional
 
 from atst.forms.validators import IsNumber, PhoneNumber
 
@@ -12,7 +12,7 @@ from .fields import FormFieldWrapper
 class OfficerForm(FlaskForm):
     first_name = StringField("First Name")
     last_name = StringField("Last Name")
-    email = StringField("Email")
+    email = StringField("Email", validators=[Optional(), Email()])
     phone_number = TelField("Phone Number", validators=[PhoneNumber()])
     dod_id = StringField("DoD ID", validators=[Optional(), Length(min=10), IsNumber()])
 
diff --git a/templates/portfolios/task_orders/invitations.html b/templates/portfolios/task_orders/invitations.html
index 3abc03e7..61d2ddd4 100644
--- a/templates/portfolios/task_orders/invitations.html
+++ b/templates/portfolios/task_orders/invitations.html
@@ -28,7 +28,7 @@
 
         <div class='form-row'>
           <div class='form-col form-col--half'>
-            {{ TextInput(form.email, placeholder='name@mail.mil') }}
+            {{ TextInput(form.email, placeholder='name@mail.mil', validation='email') }}
           </div>
 
           <div class='form-col form-col--half'>
diff --git a/tests/forms/test_officers.py b/tests/forms/test_officers.py
index ce6ca1eb..01d94be0 100644
--- a/tests/forms/test_officers.py
+++ b/tests/forms/test_officers.py
@@ -54,3 +54,10 @@ class TestEditTaskOrderOfficersForm:
         form.populate_obj(task_order)
         assert task_order.so_first_name == data["security_officer-first_name"]
         assert task_order.so_last_name == data["security_officer-last_name"]
+
+    def test_email_validation(self):
+        data = {"contracting_officer-email": "not_really_an_email_address"}
+        formdata = ImmutableMultiDict(data)
+        form = EditTaskOrderOfficersForm(formdata)
+        assert not form.validate()
+        assert form.contracting_officer.email.errors == ["Invalid email address."]