diff --git a/diskimage_builder/elements/simple-init/README.rst b/diskimage_builder/elements/simple-init/README.rst
index dd131d9f..ad8dfc50 100644
--- a/diskimage_builder/elements/simple-init/README.rst
+++ b/diskimage_builder/elements/simple-init/README.rst
@@ -58,3 +58,13 @@ Then set your DIB env vars like this before running DIB::
   DIB_INSTALLTYPE_simple_init=repo
   DIB_REPOLOCATION_glean=/tmp/glean
   DIB_REPOREF_glean=my-test-ref
+
+NetworkManager
+--------------
+
+By default, this uses the "legacy" scripts on each platform.  To use
+NetworkManager instead, set ``DIB_SIMPLE_INIT_NETWORKMANAGER`` to
+non-zero.  See the glean documentation for what the implications for
+this are on each platform.
+
+This is currently only implemented for CentOS and Fedora platforms.
diff --git a/diskimage_builder/elements/simple-init/environment.d/15-simple-init-networkmanager b/diskimage_builder/elements/simple-init/environment.d/15-simple-init-networkmanager
new file mode 100644
index 00000000..3aaeaa76
--- /dev/null
+++ b/diskimage_builder/elements/simple-init/environment.d/15-simple-init-networkmanager
@@ -0,0 +1 @@
+export DIB_SIMPLE_INIT_NETWORKMANAGER=${DIB_SIMPLE_INIT_NETWORKMANAGER:-0}
diff --git a/diskimage_builder/elements/simple-init/install.d/50-simple-init b/diskimage_builder/elements/simple-init/install.d/50-simple-init
index 8e89296b..cae36b83 100755
--- a/diskimage_builder/elements/simple-init/install.d/50-simple-init
+++ b/diskimage_builder/elements/simple-init/install.d/50-simple-init
@@ -24,4 +24,9 @@ SCRIPTDIR=$(dirname $0)
 # Ensure the 8021q module is loaded so that glean can support tagged interfaces
 echo "8021q" >> /etc/modules
 
-glean-install
+enable_nm=""
+if [[ ${DIB_SIMPLE_INIT_NETWORKMANAGER} != 0 ]]; then
+    enable_nm="--use-nm"
+fi
+
+glean-install ${enable_nm}
diff --git a/diskimage_builder/elements/simple-init/package-installs.yaml b/diskimage_builder/elements/simple-init/package-installs.yaml
index 8690364b..ad868c0a 100644
--- a/diskimage_builder/elements/simple-init/package-installs.yaml
+++ b/diskimage_builder/elements/simple-init/package-installs.yaml
@@ -1,3 +1,7 @@
 dhcp-client:
 net-tools:
 ifupdown:
+network-scripts:
+  when: DIB_SIMPLE_INIT_NETWORKMANAGER = 0
+NetworkManager:
+  when: DIB_SIMPLE_INIT_NETWORKMANAGER != 0
diff --git a/diskimage_builder/elements/simple-init/pkg-map b/diskimage_builder/elements/simple-init/pkg-map
index 906ca121..b42f33c4 100644
--- a/diskimage_builder/elements/simple-init/pkg-map
+++ b/diskimage_builder/elements/simple-init/pkg-map
@@ -5,7 +5,8 @@
     },
     "debian": {
       "dhcp-client": "isc-dhcp-client",
-      "ifupdown": "ifupdown"
+      "ifupdown": "ifupdown",
+      "NetworkManager": "network-manager"
     },
     "gentoo": {
       "dhcp-client": "net-misc/dhcp",
@@ -16,8 +17,16 @@
       "dhcp-client": "dhcp-client"
     }
   },
+  "release": {
+    "fedora": {
+      "29": {
+        "network-scripts": "network-scripts"
+      }
+    }
+  },
   "default": {
     "dhcp-client": "isc-dhcp-client",
-    "ifupdown": ""
+    "ifupdown": "",
+    "network-scripts": ""
   }
 }
diff --git a/diskimage_builder/elements/simple-init/post-install.d/80-simple-init b/diskimage_builder/elements/simple-init/post-install.d/80-simple-init
index 898dd41b..4c5a79ae 100755
--- a/diskimage_builder/elements/simple-init/post-install.d/80-simple-init
+++ b/diskimage_builder/elements/simple-init/post-install.d/80-simple-init
@@ -13,9 +13,11 @@ case "$DIB_INIT_SYSTEM" in
         ;;
     systemd)
         if [[ ${DISTRO_NAME} =~ (centos|rhel7|fedora) ]]; then
-            # NOTE(pabelanger): Glean requires network.service for
-            # these platforms.
-            systemctl enable network.service
+            if [[ ${DIB_SIMPLE_INIT_NETWORKMANAGER} != 1 ]]; then
+                # NOTE(pabelanger): Glean requires network.service for
+                # these platforms when not using networkmanager
+                systemctl enable network.service
+            fi
         elif [[ ${DISTRO_NAME} =~ (opensuse) ]]; then
             # on suse, this is named wicked.service, but it's the same
             # as network.service.
diff --git a/releasenotes/notes/simple-init-nm-f0896124dee92a03.yaml b/releasenotes/notes/simple-init-nm-f0896124dee92a03.yaml
new file mode 100644
index 00000000..1fb86e77
--- /dev/null
+++ b/releasenotes/notes/simple-init-nm-f0896124dee92a03.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    The `simple-init` element can now use NetworkManager instead of
+    legacy scripts on Red Hat platforms.