diff --git a/src/main/java/org/rundeck/client/api/RundeckApi.java b/src/main/java/org/rundeck/client/api/RundeckApi.java
index 3d631611..c5efc464 100644
--- a/src/main/java/org/rundeck/client/api/RundeckApi.java
+++ b/src/main/java/org/rundeck/client/api/RundeckApi.java
@@ -685,6 +685,17 @@ Call<Void> deleteSystemAclPolicy(
     @GET("system/info")
     Call<SystemInfo> systemInfo();
 
+
+    @Headers("Accept: application/json")
+    @POST("system/executions/enable")
+    Call<SystemMode> executionModeEnable();
+
+    @Headers("Accept: application/json")
+    @POST("system/executions/disable")
+    Call<SystemMode> executionModeDisable();
+
+
+
     //scheduler
 
     /**
diff --git a/src/main/java/org/rundeck/client/api/model/ExecutionMode.java b/src/main/java/org/rundeck/client/api/model/ExecutionMode.java
new file mode 100644
index 00000000..ef4624dd
--- /dev/null
+++ b/src/main/java/org/rundeck/client/api/model/ExecutionMode.java
@@ -0,0 +1,10 @@
+package org.rundeck.client.api.model;
+
+/**
+ * @author greg
+ * @since 8/15/17
+ */
+public enum ExecutionMode {
+    active,
+    passive
+}
diff --git a/src/main/java/org/rundeck/client/api/model/SystemMode.java b/src/main/java/org/rundeck/client/api/model/SystemMode.java
new file mode 100644
index 00000000..aee55fba
--- /dev/null
+++ b/src/main/java/org/rundeck/client/api/model/SystemMode.java
@@ -0,0 +1,17 @@
+package org.rundeck.client.api.model;
+
+/**
+ * @author greg
+ * @since 8/14/17
+ */
+public class SystemMode {
+    private ExecutionMode executionMode;
+
+    public ExecutionMode getExecutionMode() {
+        return executionMode;
+    }
+
+    public void setExecutionMode(ExecutionMode executionMode) {
+        this.executionMode = executionMode;
+    }
+}
diff --git a/src/main/java/org/rundeck/client/tool/commands/RDSystem.java b/src/main/java/org/rundeck/client/tool/commands/RDSystem.java
index 0ea7d90a..0b7fe588 100644
--- a/src/main/java/org/rundeck/client/tool/commands/RDSystem.java
+++ b/src/main/java/org/rundeck/client/tool/commands/RDSystem.java
@@ -24,8 +24,10 @@
 import org.rundeck.client.api.model.SystemInfo;
 import org.rundeck.client.tool.RdApp;
 import org.rundeck.client.tool.commands.system.ACLs;
+import org.rundeck.client.tool.commands.system.Mode;
 
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
@@ -40,8 +42,9 @@ public RDSystem(final RdApp client) {
 
     @Override
     public List<Object> getSubCommands() {
-        return Collections.singletonList(
-                new ACLs(this)
+        return Arrays.asList(
+                new ACLs(this),
+                new Mode(this)
         );
     }
 
diff --git a/src/main/java/org/rundeck/client/tool/commands/system/Mode.java b/src/main/java/org/rundeck/client/tool/commands/system/Mode.java
new file mode 100644
index 00000000..7872f6d2
--- /dev/null
+++ b/src/main/java/org/rundeck/client/tool/commands/system/Mode.java
@@ -0,0 +1,106 @@
+package org.rundeck.client.tool.commands.system;
+
+import com.lexicalscope.jewel.cli.CommandLineInterface;
+import com.lexicalscope.jewel.cli.Option;
+import com.simplifyops.toolbelt.Command;
+import com.simplifyops.toolbelt.CommandOutput;
+import com.simplifyops.toolbelt.InputError;
+import org.rundeck.client.api.RundeckApi;
+import org.rundeck.client.api.model.ExecutionMode;
+import org.rundeck.client.api.model.SystemInfo;
+import org.rundeck.client.api.model.SystemMode;
+import org.rundeck.client.tool.RdApp;
+import org.rundeck.client.tool.commands.AppCommand;
+import org.rundeck.client.tool.options.QuietOption;
+import org.rundeck.client.util.Client;
+import retrofit2.Call;
+
+import java.io.IOException;
+import java.util.function.Function;
+
+/**
+ * @author greg
+ * @since 8/14/17
+ */
+
+@Command(description = "Manage Execution Mode")
+public class Mode extends AppCommand {
+    public Mode(final RdApp rdApp) {
+        super(rdApp);
+    }
+
+    @CommandLineInterface(application = "info") interface ModeInfo {
+
+        @Option(shortName = "A",
+                longName = "testactive",
+                description = "Test whether the execution mode is active: fail if not")
+        boolean isTestActive();
+
+        @Option(shortName = "P",
+                longName = "testpassive",
+                description = "Test whether the execution mode is passive: fail if not")
+        boolean isTestPassive();
+    }
+
+    @Command(description =
+                     "Show execution mode\n" +
+                     "When --testactive or --testpassive are used, the exit code will be 0 if the test is successful, 1 otherwise.")
+    public boolean info(ModeInfo opts, CommandOutput output) throws IOException, InputError {
+        if (opts.isTestPassive() && opts.isTestActive()) {
+            throw new InputError("--testactive and --testpassive cannot be combined");
+        }
+        SystemInfo systemInfo = apiCall(RundeckApi::systemInfo);
+        Object executionMode = systemInfo.system.getExecutions().get("executionMode");
+        boolean modeIsActive = "active".equals(executionMode);
+        boolean testpass = true;
+        String message = "Execution Mode is currently:";
+
+        if (opts.isTestActive() && !modeIsActive || opts.isTestPassive() && modeIsActive) {
+            testpass = false;
+            output.warning(message);
+        } else {
+            output.info(message);
+        }
+        output.output(executionMode);
+        return testpass;
+    }
+
+    @CommandLineInterface(application = "active") interface ModeActive extends QuietOption {
+
+    }
+
+    @Command(description = "Set execution mode Active")
+    public boolean active(ModeActive opts, CommandOutput output) throws IOException, InputError {
+        return changeMode(opts, output, ExecutionMode.active, RundeckApi::executionModeEnable, getClient());
+    }
+
+    @CommandLineInterface(application = "passive") interface ModePassive extends QuietOption {
+
+    }
+
+    @Command(description = "Set execution mode Passive")
+    public boolean passive(ModePassive opts, CommandOutput output) throws IOException, InputError {
+        return changeMode(opts, output, ExecutionMode.passive, RundeckApi::executionModeDisable, getClient());
+    }
+
+    static boolean changeMode(
+            final QuietOption opts,
+            final CommandOutput output,
+            final ExecutionMode expected,
+            final Function<RundeckApi, Call<SystemMode>> operation,
+            final Client<RundeckApi> client
+    )
+            throws InputError, IOException
+    {
+        if (!opts.isQuiet()) {
+            output.info(String.format("Setting execution mode to %s...", expected));
+        }
+        SystemMode mode = apiCall(client, operation);
+        if (!opts.isQuiet()) {
+            output.info("Execution Mode is now:");
+            output.output(mode.getExecutionMode());
+        }
+        return expected.equals(mode.getExecutionMode());
+    }
+
+}