diff --git a/ui/admin/app/components/form/auth-method/index.hbs b/ui/admin/app/components/form/auth-method/index.hbs
index 9ac27859f..048be9d25 100644
--- a/ui/admin/app/components/form/auth-method/index.hbs
+++ b/ui/admin/app/components/form/auth-method/index.hbs
@@ -5,5 +5,6 @@
     submit=@submit
     cancel=@cancel
     removeItemByIndex=@removeItemByIndex
+    addStringItem=@addStringItem
   }}
 {{/if}}
\ No newline at end of file
diff --git a/ui/admin/app/components/form/auth-method/oidc/index.hbs b/ui/admin/app/components/form/auth-method/oidc/index.hbs
index a0ababf3d..8b82c6467 100644
--- a/ui/admin/app/components/form/auth-method/oidc/index.hbs
+++ b/ui/admin/app/components/form/auth-method/oidc/index.hbs
@@ -177,6 +177,44 @@
               </row.cell>
             </body.row>
           {{/each}}
+
+          <body.row as |row|>
+            <row.cell>
+              <form.select
+                @value={{this.newSigningAlgorithm}}
+                @label={{t
+                  'resources.auth-method.titles.new-signing-algorithm'
+                }}
+                @onChange={{fn (mut this.newSigningAlgorithm)}}
+                as |field|
+              >
+                <field.field as |select|>
+                  {{#each this.signingAlgorithms as |algorithm|}}
+                    <select.option
+                      @value={{algorithm}}
+                    >{{algorithm}}</select.option>
+                  {{/each}}
+                </field.field>
+              </form.select>
+            </row.cell>
+            <row.cell @shrink={{true}}>
+              <Rose::Button
+                @style='secondary'
+                title={{t 'actions.add'}}
+                @disabled={{if form.isEditable false true}}
+                {{on
+                  'click'
+                  (fn
+                    @addStringItem
+                    'attributes.signing_algorithms'
+                    this.newSigningAlgorithm
+                  )
+                }}
+              >
+                {{t 'actions.add'}}
+              </Rose::Button>
+            </row.cell>
+          </body.row>
         </table.body>
       </Rose::Table>
     </:body>
@@ -235,6 +273,33 @@
               </row.cell>
             </body.row>
           {{/each}}
+
+          <body.row as |row|>
+            <row.cell>
+              <form.input
+                @type='text'
+                @value={{this.newAllowedAudience}}
+                @label={{t 'resources.auth-method.titles.new-allowed-audience'}}
+              />
+            </row.cell>
+            <row.cell @shrink={{true}}>
+              <Rose::Button
+                @style='secondary'
+                title={{t 'actions.add'}}
+                @disabled={{if form.isEditable false true}}
+                {{on
+                  'click'
+                  (fn
+                    @addStringItem
+                    'attributes.allowed_audiences'
+                    this.newAllowedAudience
+                  )
+                }}
+              >
+                {{t 'actions.add'}}
+              </Rose::Button>
+            </row.cell>
+          </body.row>
         </table.body>
       </Rose::Table>
     </:body>
@@ -293,6 +358,33 @@
               </row.cell>
             </body.row>
           {{/each}}
+
+          <body.row as |row|>
+            <row.cell>
+              <form.input
+                @type='text'
+                @value={{this.newClaimsScope}}
+                @label={{t 'resources.auth-method.titles.new-claims-scope'}}
+              />
+            </row.cell>
+            <row.cell @shrink={{true}}>
+              <Rose::Button
+                @style='secondary'
+                title={{t 'actions.add'}}
+                @disabled={{if form.isEditable false true}}
+                {{on
+                  'click'
+                  (fn
+                    @addStringItem
+                    'attributes.claims_scopes'
+                    this.newClaimsScope
+                  )
+                }}
+              >
+                {{t 'actions.add'}}
+              </Rose::Button>
+            </row.cell>
+          </body.row>
         </table.body>
       </Rose::Table>
     </:body>
@@ -434,7 +526,30 @@
               </row.cell>
             </body.row>
           {{/each}}
-          {{! Add field }}
+
+          <body.row as |row|>
+            <row.cell>
+              <form.textarea
+                @value={{this.newCertificate}}
+                @label={{t 'resources.auth-method.titles.new-certificate'}}
+              />
+            </row.cell>
+            <row.cell @shrink={{true}}>
+              <Rose::Button
+                @style='secondary'
+                title={{t 'actions.add'}}
+                @disabled={{if form.isEditable false true}}
+                {{on
+                  'click'
+                  (fn
+                    @addStringItem 'attributes.idp_ca_certs' this.newCertificate
+                  )
+                }}
+              >
+                {{t 'actions.add'}}
+              </Rose::Button>
+            </row.cell>
+          </body.row>
         </table.body>
       </Rose::Table>
     </:body>
diff --git a/ui/admin/app/components/form/auth-method/oidc/index.js b/ui/admin/app/components/form/auth-method/oidc/index.js
index fd99fc353..166e33561 100644
--- a/ui/admin/app/components/form/auth-method/oidc/index.js
+++ b/ui/admin/app/components/form/auth-method/oidc/index.js
@@ -12,4 +12,9 @@ export default class FormAuthMethodOidcComponent extends Component {
    * @type {object}
    */
   toClaims = options.oidc.account_claim_maps.to;
+
+  /**
+   * @type {string}
+   */
+  newSigningAlgorithm = options.oidc.signing_algorithms[0];
 }
diff --git a/ui/admin/app/routes/scopes/scope/auth-methods.js b/ui/admin/app/routes/scopes/scope/auth-methods.js
index d432f9b9d..00666c1fb 100644
--- a/ui/admin/app/routes/scopes/scope/auth-methods.js
+++ b/ui/admin/app/routes/scopes/scope/auth-methods.js
@@ -148,4 +148,18 @@ export default class ScopesScopeAuthMethodsRoute extends Route {
     const array = authMethod.get(property);
     array.removeAt(index);
   }
+
+  /**
+   * Adds a string item to array `property` on the passed `authMethod`.
+   * This is used to manage entries in fragment string array fields such
+   * as `signing_algorithms`.
+   * @param {AuthMethodModel} authMethod
+   * @param {string} property
+   * @param {string} value
+   */
+  @action
+  async addStringItem(authMethod, property, value) {
+    const array = authMethod.get(property);
+    array.addObject({ value });
+  }
 }
diff --git a/ui/admin/app/templates/scopes/scope/auth-methods/auth-method/index.hbs b/ui/admin/app/templates/scopes/scope/auth-methods/auth-method/index.hbs
index f610fc81e..2c477bb7c 100644
--- a/ui/admin/app/templates/scopes/scope/auth-methods/auth-method/index.hbs
+++ b/ui/admin/app/templates/scopes/scope/auth-methods/auth-method/index.hbs
@@ -3,4 +3,5 @@
   @submit={{route-action 'save' @model}}
   @cancel={{route-action 'cancel' @model}}
   @removeItemByIndex={{route-action 'removeItemByIndex' @model}}
+  @addStringItem={{route-action 'addStringItem' @model}}
 />
\ No newline at end of file