diff --git a/.github/buildomat/jobs/host-image.sh b/.github/buildomat/jobs/host-image.sh
index ba0b4e1ac3c..3c2623f390b 100755
--- a/.github/buildomat/jobs/host-image.sh
+++ b/.github/buildomat/jobs/host-image.sh
@@ -1,11 +1,12 @@
 #!/bin/bash
 #:
-#: name = "helios / build OS image"
+#: name = "helios / build OS images"
 #: variety = "basic"
 #: target = "helios-2.0"
 #: rust_toolchain = "1.72.1"
 #: output_rules = [
-#:	"=/work/helios/image/output/os.tar.gz",
+#:	"=/work/helios/upload/os-host.tar.gz",
+#:	"=/work/helios/upload/os-trampoline.tar.gz",
 #: ]
 #: access_repos = [
 #:	"oxidecomputer/amd-apcb",
@@ -44,14 +45,44 @@ TOP=$PWD
 
 source "$TOP/tools/include/force-git-over-https.sh"
 
-# Checkout helios at a pinned commit into /work/helios
-git clone https://github.com/oxidecomputer/helios.git /work/helios
-cd /work/helios
+# Check out helios into /work/helios
+HELIOSDIR=/work/helios
+git clone https://github.com/oxidecomputer/helios.git "$HELIOSDIR"
+cd "$HELIOSDIR"
+gmake setup
+
+# Commands that "helios-build" would ask us to run (either explicitly or
+# implicitly, to avoid an error).
+rc=0
+pfexec pkg install -q /system/zones/brand/omicron1/tools || rc=$?
+case $rc in
+    # `man pkg` notes that exit code 4 means no changes were made because
+    # there is nothing to do; that's fine. Any other exit code is an error.
+    0 | 4) ;;
+    *) exit $rc ;;
+esac
+
+pfexec zfs create -p "rpool/images/$USER"
+
 
 # TODO: Consider importing zones here too?
 
 cd "$TOP"
+mkdir "$HELIOSDIR/upload"
+
+banner OS
 ./tools/build-host-image.sh -B \
     -S /input/package/work/zones/switch-asic.tar.gz \
-    /work/helios \
+    "$HELIOSDIR" \
     /input/package/work/global-zone-packages.tar.gz
+
+mv "$HELIOSDIR/image/output/os.tar.gz" "$HELIOSDIR/upload/os-host.tar.gz"
+
+banner Trampoline
+
+./tools/build-host-image.sh -R \
+    "$HELIOSDIR" \
+    /input/package/work/trampoline-global-zone-packages.tar.gz
+
+mv "$HELIOSDIR/image/output/os.tar.gz" "$HELIOSDIR/upload/os-trampoline.tar.gz"
+
diff --git a/.github/buildomat/jobs/trampoline-image.sh b/.github/buildomat/jobs/trampoline-image.sh
deleted file mode 100755
index 6014d7dca02..00000000000
--- a/.github/buildomat/jobs/trampoline-image.sh
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/bin/bash
-#:
-#: name = "helios / build trampoline OS image"
-#: variety = "basic"
-#: target = "helios-2.0"
-#: rust_toolchain = "1.72.1"
-#: output_rules = [
-#:	"=/work/helios/image/output/os.tar.gz",
-#: ]
-#: access_repos = [
-#:	"oxidecomputer/amd-apcb",
-#:	"oxidecomputer/amd-efs",
-#:	"oxidecomputer/amd-firmware",
-#:	"oxidecomputer/amd-flash",
-#:	"oxidecomputer/amd-host-image-builder",
-#:	"oxidecomputer/boot-image-tools",
-#:	"oxidecomputer/chelsio-t6-roms",
-#:	"oxidecomputer/compliance-pilot",
-#:	"oxidecomputer/facade",
-#:	"oxidecomputer/helios",
-#:	"oxidecomputer/helios-omicron-brand",
-#:	"oxidecomputer/helios-omnios-build",
-#:	"oxidecomputer/helios-omnios-extra",
-#:	"oxidecomputer/nanobl-rs",
-#: ]
-#:
-#: [dependencies.package]
-#: job = "helios / package"
-#:
-#: [[publish]]
-#: series = "image"
-#: name = "os-trampoline.tar.gz"
-#: from_output = "/work/helios/image/output/os.tar.gz"
-#:
-
-set -o errexit
-set -o pipefail
-set -o xtrace
-
-cargo --version
-rustc --version
-
-TOP=$PWD
-
-source "$TOP/tools/include/force-git-over-https.sh"
-
-# Checkout helios at a pinned commit into /work/helios
-git clone https://github.com/oxidecomputer/helios.git /work/helios
-cd /work/helios
-
-cd "$TOP"
-./tools/build-host-image.sh -R \
-    /work/helios \
-    /input/package/work/trampoline-global-zone-packages.tar.gz
diff --git a/.github/buildomat/jobs/tuf-repo.sh b/.github/buildomat/jobs/tuf-repo.sh
index e169bebff64..229f715f4c3 100644
--- a/.github/buildomat/jobs/tuf-repo.sh
+++ b/.github/buildomat/jobs/tuf-repo.sh
@@ -19,10 +19,7 @@
 #: job = "helios / package"
 #:
 #: [dependencies.host]
-#: job = "helios / build OS image"
-#:
-#: [dependencies.trampoline]
-#: job = "helios / build trampoline OS image"
+#: job = "helios / build OS images"
 #:
 #: [[publish]]
 #: series = "rot-prod-rel"
@@ -124,7 +121,7 @@ name = "$kind"
 version = "$VERSION"
 [artifact.$kind.source]
 kind = "file"
-path = "/input/$kind/work/helios/image/output/os.tar.gz"
+path = "/input/host/work/helios/upload/os-$kind.tar.gz"
 EOF
 done
 
diff --git a/tools/build-host-image.sh b/tools/build-host-image.sh
index d492e84b816..c194edb603e 100755
--- a/tools/build-host-image.sh
+++ b/tools/build-host-image.sh
@@ -92,22 +92,6 @@ function main
     # Move to the helios checkout
     cd "$HELIOS_PATH"
 
-    # Create the "./helios-build" command, which lets us build images
-    gmake setup
-
-    # Commands that "./helios-build" would ask us to run (either explicitly
-    # or implicitly, to avoid an error).
-    rc=0
-    pfexec pkg install -q /system/zones/brand/omicron1/tools || rc=$?
-    case $rc in
-        # `man pkg` notes that exit code 4 means no changes were made because
-        # there is nothing to do; that's fine. Any other exit code is an error.
-        0 | 4) ;;
-        *) exit $rc ;;
-    esac
-
-    pfexec zfs create -p rpool/images/"$USER"
-
     HELIOS_REPO=https://pkg.oxide.computer/helios/2/dev/
 
     # Build an image name that includes the omicron and host OS hashes