diff --git a/defaults/main.yml b/defaults/main.yml
index 9a08708..dcdf236 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -41,6 +41,7 @@ mongodb_processmanagement_fork: "{{ 'RedHat' == ansible_os_family }}"
 # Disable or enable security. Possible values: 'disabled', 'enabled'
 mongodb_security_authorization: "disabled"
 mongodb_security_keyfile: /etc/mongodb-keyfile   # Specify path to keyfile with password for inter-process authentication
+mongodb_security_javascript_enabled: false
 
 ## storage Options
 mongodb_storage_dbpath: /data/db                 # Directory for datafiles
@@ -57,6 +58,8 @@ mongodb_storage_smallfiles: false                # Very useful for non-data node
 mongodb_storage_journal_enabled: true            # Enable journaling
 mongodb_storage_prealloc: true                   # Enable data file preallocation
 
+mongodb_wiredtiger_directory_for_indexes: false
+
 ## systemLog Options
 ## The destination to which MongoDB sends all log output. Specify either 'file' or 'syslog'.
 ## If you specify 'file', you must also specify mongodb_systemlog_path.
@@ -65,6 +68,10 @@ mongodb_systemlog_logappend: true                                        # Appen
 mongodb_systemlog_logrotate: "rename"                                    # Logrotation behavior
 mongodb_systemlog_path: /var/log/mongodb/{{ mongodb_daemon_name }}.log   # Log file to send write to instead of stdout
 
+## operationProfiling Options
+mongodb_operation_profiling_slow_op_threshold_ms: 100
+mongodb_operation_profiling_mode: "off"
+
 ## replication Options
 mongodb_replication_replset:                      # Enable replication <setname>[/<optionalseedhostlist>]
 mongodb_replication_replindexprefetch: "all"      # specify index prefetching behavior (if secondary) [none|_id_only|all]
diff --git a/templates/mongod.conf.j2 b/templates/mongod.conf.j2
index 08aa7c9..31a865f 100644
--- a/templates/mongod.conf.j2
+++ b/templates/mongod.conf.j2
@@ -34,7 +34,8 @@ security:
   authorization: {{ mongodb_security_authorization }}
   {% if mongodb_replication_replset and mongodb_security_authorization == 'enabled' -%}
   keyFile: {{ mongodb_security_keyfile }}
-  {% endif %}
+  {% endif -%}
+  javascriptEnabled: {{ mongodb_security_javascript_enabled | to_nice_json }}
 
 storage:
   dbPath: {{ mongodb_storage_dbpath }}
@@ -50,13 +51,15 @@ storage:
       enforced: {{ mongodb_storage_quota_enforced | to_nice_json }}
       maxFilesPerDB: {{ mongodb_storage_quota_maxfiles }}
     smallFiles: {{ mongodb_storage_smallfiles | to_nice_json }}
-  {% endif %}
-
-{% if mongodb_wiredtiger_cache_size is defined %}
+  {% endif -%}
+  {% if mongodb_storage_engine == 'wiredTiger' -%}
   wiredTiger:
     engineConfig:
+      {% if mongodb_wiredtiger_cache_size is defined -%}
       cacheSizeGB: {{ mongodb_wiredtiger_cache_size }}
-{% endif %}
+      {% endif -%}
+      directoryForIndexes: {{ mongodb_wiredtiger_directory_for_indexes | to_nice_json }}
+  {% endif %}
 
 systemLog:
   destination: {{ mongodb_systemlog_destination }}
@@ -66,6 +69,10 @@ systemLog:
   path: {{ mongodb_systemlog_path }}
   {% endif %}
 
+operationProfiling:
+  slowOpThresholdMs: {{ mongodb_operation_profiling_slow_op_threshold_ms }}
+  mode: {{ mongodb_operation_profiling_mode }}
+
 {% if mongodb_set_parameters -%}
 setParameter:
   {% for key, value in mongodb_set_parameters.items() -%}