diff --git a/site-modules/profile/manifests/swh/deploy/search/journal_client_instance.pp b/site-modules/profile/manifests/swh/deploy/search/journal_client_instance.pp
--- a/site-modules/profile/manifests/swh/deploy/search/journal_client_instance.pp
+++ b/site-modules/profile/manifests/swh/deploy/search/journal_client_instance.pp
@@ -6,7 +6,8 @@
 {
   include profile::swh::deploy::base_search
 
-  $service_name = "swh-search-journal-client@${instance_name}"
+  $service_basename = "swh-search-journal-client@${instance_name}"
+  $service_name = "swh-search-journal-client@${instance_name}.service"
 
   $config_path = lookup("swh::deploy::search::journal_client::${instance_name}::config_file")
   $config = lookup("swh::deploy::search::journal_client::${instance_name}::config", Hash, 'deep')
@@ -14,6 +15,19 @@
   $user = lookup('swh::deploy::base_search::user')
   $group = lookup('swh::deploy::base_search::group')
 
+  $sentry_dsn = lookup("swh::deploy::search::sentry_dsn", Optional[String], 'first', undef)
+  $sentry_environment = lookup("swh::deploy::search::sentry_environment", Optional[String], 'first', undef)
+  $sentry_swh_package = lookup("swh::deploy::search::sentry_swh_package", Optional[String], 'first', undef)
+
+  # Uses:
+  # - $sentry_{dsn,environment,swh_package}
+  ::systemd::dropin_file {"${service_name}.d/parameters.conf":
+    ensure   => present,
+    unit     => $service_name,
+    filename => 'parameters.conf',
+    content  => template('profile/swh/deploy/journal/parameters.conf.erb'),
+  }
+
   case $ensure {
     'present', 'running': {
 
@@ -23,7 +37,7 @@
         group   => $group,
         mode    => '0640',
         content => inline_template("<%= @config.to_yaml %>\n"),
-        notify  => Service[$service_name],
+        notify  => Service[$service_basename],
       }
 
       if $ensure == 'running' {
@@ -32,7 +46,7 @@
         $service_ensure = undef
       }
 
-      service {$service_name:
+      service {$service_basename:
         ensure  => $service_ensure,
         enable  => true,
         require => [
@@ -42,7 +56,7 @@
     }
     default: {
       # clean up
-      service {$service_name:
+      service {$service_basename:
         ensure => absent,
       }
       -> file {$config_path:
diff --git a/site-modules/profile/templates/swh/deploy/journal/parameters.conf.erb b/site-modules/profile/templates/swh/deploy/journal/parameters.conf.erb
new file mode 100644
--- /dev/null
+++ b/site-modules/profile/templates/swh/deploy/journal/parameters.conf.erb
@@ -0,0 +1,13 @@
+# Managed by puppet - modifications will be overwritten
+# In defined class profile::swh::deploy::search::journal_client
+
+[Service]
+<%- if !@sentry_dsn.nil? and !@sentry_dsn.empty? -%>
+Environment=SWH_SENTRY_DSN=<%= @sentry_dsn %>
+<%- end -%>
+<%- if !@sentry_environment.nil? and !@sentry_environment.empty? -%>
+Environment=SWH_SENTRY_ENVIRONMENT=<%= @sentry_environment %>
+<%- end -%>
+<%- if !@sentry_swh_package.nil? and !@sentry_swh_package.empty? -%>
+Environment=SWH_MAIN_PACKAGE=<%= @sentry_swh_package %>
+<%- end -%>