1_standalone.xml

<?xml version='1.0' encoding='UTF-8'?>

<server xmlns="urn:jboss:domain:10.0">
    <extensions>
        <extension module="org.camunda.bpm.wildfly.camunda-wildfly-subsystem"/>
        ...
    </extensions>
    ...
    <profile>
        ...
        <subsystem xmlns="urn:org.camunda.bpm.jboss:1.1">
            <process-engines>
                <process-engine name="default" default="true">
                    <datasource>java:jboss/datasources/ProcessEngine</datasource>
                    <history-level>full</history-level>
                    <properties>
                        <property name="jobExecutorAcquisitionName">
                            default
                        </property>
                        <property name="isAutoSchemaUpdate">
                            true
                        </property>
                        <property name="authorizationEnabled">
                            true
                        </property>
                        <property name="jobExecutorDeploymentAware">
                            true
                        </property>
                        <property name="historyCleanupBatchWindowStartTime">
                            00:01
                        </property>
                    </properties>
                    <plugins>
                        <plugin>
                            <class>org.camunda.bpm.application.impl.event.ProcessApplicationEventListenerPlugin</class>
                        </plugin>
                        <plugin>
                            <class>org.camunda.spin.plugin.impl.SpinProcessEnginePlugin</class>
                        </plugin>
                        <plugin>
                            <class>org.camunda.connect.plugin.impl.ConnectProcessEnginePlugin</class>
                        </plugin>
                    </plugins>
                </process-engine>
            </process-engines>
            <job-executor>
                <core-threads>3</core-threads>
                <max-threads>5</max-threads>
                <queue-length>10</queue-length>
                <job-acquisitions>
                    <job-acquisition name="default">
                        <properties>
                            <property name="lockTimeInMillis">
                                300000
                            </property>
                            <property name="waitTimeInMillis">
                                5000
                            </property>
                            <property name="maxJobsPerAcquisition">
                                3
                            </property>
                        </properties>
                    </job-acquisition>
                </job-acquisitions>
            </job-executor>
        </subsystem>
        ...
        <subsystem xmlns="urn:jboss:domain:datasources:5.0">
            <datasources>
                <datasource jta="true" jndi-name="java:jboss/datasources/ProcessEngine" pool-name="ProcessEngine" enabled="true" use-java-context="true" use-ccm="true">
                    <connection-url>jdbc:h2:./camunda-h2-dbs/process-engine;DB_CLOSE_DELAY=-1;MVCC=TRUE;DB_CLOSE_ON_EXIT=FALSE</connection-url>
                    <driver>h2</driver>
                    <transaction-isolation>TRANSACTION_READ_COMMITTED</transaction-isolation>
                    <security>
                        <user-name>sa</user-name>
                        <password>sa</password>
                    </security>
                </datasource>
                <drivers>
                    <driver name="h2" module="com.h2database.h2">
                        <xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class>
                    </driver>
                </drivers>
            </datasources>
        </subsystem>
        ...
    </profile>
    ...
</server>

2_camunda-bpm-platform_spec.xml

<?xml version="1.0" ?>

<feature-spec xmlns="urn:jboss:galleon:feature-spec:1.0" name="subsystem.camunda-bpm-platform">
    <annotation name="jboss-op">
        <elem name="name" value="add"/>
        <elem name="op-params" value=""/>
        <elem name="addr-params" value="subsystem"/>
    </annotation>
    <annotation name="feature-branch">
        <elem name="id" value="subsystem.camunda-bpm-platform"/>
    </annotation>
    <refs>
        <ref feature="extension" include="true"/>
    </refs>
    <params>
        <param name="host" feature-id="true" default="GLN_UNDEFINED"/>
        <param name="subsystem" feature-id="true" default="camunda-bpm-platform"/>
        <param name="extension" default="org.camunda.bpm.wildfly.camunda-wildfly-subsystem"/>
    </params>
    <packages>
        <package name="org.camunda.bpm.wildfly.camunda-wildfly-subsystem"/>
    </packages>
</feature-spec>

3_job-executor_spec.xml

<?xml version="1.0" ?>

<feature-spec xmlns="urn:jboss:galleon:feature-spec:1.0" name="subsystem.camunda-bpm-platform.job-executor">
    <annotation name="jboss-op">
        <elem name="name" value="add"/>
        <elem name="op-params" value="allow-core-timeout,core-threads,keepalive-time,max-threads,queue-length,thread-pool-name"/>
        <elem name="addr-params" value="subsystem,job-executor"/>
    </annotation>
    <annotation name="feature-branch">
        <elem name="id" value="subsystem.camunda-bpm-platform"/>
    </annotation>
    <refs>
        <ref feature="subsystem.camunda-bpm-platform"/>
    </refs>
    <params>
        <param name="job-executor" feature-id="true"/>
        <param name="keepalive-time" nillable="true"/>
        <param name="allow-core-timeout" nillable="true"/>
        <param name="thread-pool-name" nillable="true"/>
        <param name="subsystem" feature-id="true" default="camunda-bpm-platform"/>
        <param name="core-threads"/>
        <param name="max-threads"/>
        <param name="queue-length"/>
    </params>
</feature-spec>