Update experience.html.twig

source/experience.html.twig

@@ -9,6 +9,7 @@ experiences:
       logo: /images/experience/microserve.png
       role: Senior Drupal Developer
       start: July 2015
+      end: ~
       description: >
           <p>Full-stack Drupal development, focussing on data migration.</p>
           <p>Community and contribution advocate.</p>
@@ -17,8 +18,10 @@ experiences:
       location: Remote
       role: 'Drupal/PHP Developer & System Administrator'
       start: 2007
+      end: ~
       description: >
           <p>Working on Drupal and PHP projects in my spare time.</p>
+          <p>Linux server administration and configuration using Puppet, and more recently, Ansible.</p>
 
     - name: Drupal Association
       website: https://assoc.drupal.org