diff --git a/atst/forms/portfolio_member.py b/atst/forms/portfolio_member.py
index 2293deed..a4ed18e3 100644
--- a/atst/forms/portfolio_member.py
+++ b/atst/forms/portfolio_member.py
@@ -1,6 +1,6 @@
-from wtforms.fields import StringField, FormField, FieldList
 from wtforms.fields.html5 import EmailField, TelField
 from wtforms.validators import Required, Email, Length, Optional
+from wtforms.fields import StringField, FormField, FieldList, HiddenField
 
 from atst.domain.permission_sets import PermissionSets
 from .forms import BaseForm
@@ -11,6 +11,7 @@ from atst.utils.localization import translate
 
 class PermissionsForm(BaseForm):
     member = StringField()
+    user_id = HiddenField()
     perms_app_mgmt = SelectField(
         None,
         choices=[
diff --git a/atst/routes/portfolios/index.py b/atst/routes/portfolios/index.py
index 78f0ba68..9a65d318 100644
--- a/atst/routes/portfolios/index.py
+++ b/atst/routes/portfolios/index.py
@@ -34,6 +34,7 @@ def permission_str(member, edit_perm_set, view_perm_set):
 def serialize_member_form_data(member):
     return {
         "member": member.user.full_name,
+        "user_id": member.user_id,
         "perms_app_mgmt": permission_str(
             member,
             PermissionSets.EDIT_PORTFOLIO_APPLICATION_MANAGEMENT,
@@ -86,6 +87,16 @@ def portfolio_admin(portfolio_id):
     return render_admin_page(portfolio)
 
 
+@portfolios_bp.route("/portfolios/<portfolio_id>/admin", methods=["POST"])
+@user_can(Permissions.EDIT_PORTFOLIO_USERS, message="view portfolio admin page")
+def edit_portfolio_members(portfolio_id):
+    portfolio = Portfolios.get_for_update(portfolio_id)
+    member_perms_form = MembersPermissionsForm(
+        http_request.form
+    )
+    return render_admin_page(portfolio)
+
+
 @portfolios_bp.route("/portfolios/<portfolio_id>/edit", methods=["POST"])
 @user_can(Permissions.EDIT_PORTFOLIO_NAME, message="edit portfolio")
 def edit_portfolio(portfolio_id):
diff --git a/templates/fragments/admin/members_edit.html b/templates/fragments/admin/members_edit.html
index c64dafcb..0d873622 100644
--- a/templates/fragments/admin/members_edit.html
+++ b/templates/fragments/admin/members_edit.html
@@ -16,5 +16,6 @@
 
     <td><button type="button" class='{{ archive_button_class }}'>{{ "portfolios.members.archive_button" | translate }}</button>
     </td>
+    {{ subform.user_id() }}
   </tr>
 {% endfor %}
diff --git a/templates/fragments/admin/portfolio_members.html b/templates/fragments/admin/portfolio_members.html
index 63e44680..452cdfcc 100644
--- a/templates/fragments/admin/portfolio_members.html
+++ b/templates/fragments/admin/portfolio_members.html
@@ -6,13 +6,14 @@
     {% if g.matchesPath("portfolio-members") %}
       {% include "fragments/flash.html" %}
     {% endif %}
-    <form method='POST' id="member-perms" autocomplete="off" enctype="multipart/form-data">
-      <div class='member-list-header'>
-        <div class='left'>
-          <div class='h3'>{{ "portfolios.admin.portfolio_members_title" | translate }}</div>
-          <div class='subheading'>
-            {{ "portfolios.admin.portfolio_members_subheading" | translate }}
-          </div>
+    <form method='POST' action='{{ url_for("portfolios.edit_portfolio_members", portfolio_id=portfolio.id) }}' autocomplete="off">
+    {{ member_perms_form.csrf_token }}
+
+    <div class='member-list-header'>
+      <div class='left'>
+        <div class='h3'>{{ "portfolios.admin.portfolio_members_title" | translate }}</div>
+        <div class='subheading'>
+          {{ "portfolios.admin.portfolio_members_subheading" | translate }}
         </div>
         <a class='icon-link'>
           {{ Icon('info') }}