diff --git a/makefiles/targets/check.mk b/makefiles/targets/check.mk
new file mode 100644
index 0000000..2145343
--- /dev/null
+++ b/makefiles/targets/check.mk
@@ -0,0 +1,38 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+.PHONY: check
+check : lint lint-yaml lint-jjb
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help-verbose += help-check
+help-check ::
+	@echo
+	@echo '[MAKE: check]'
+	@echo '  check               pre-commit checking, with extra targets (default:NO, jenkins:FAIL)'
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]
diff --git a/makefiles/targets/clean.mk b/makefiles/targets/clean.mk
new file mode 100644
index 0000000..f504dec
--- /dev/null
+++ b/makefiles/targets/clean.mk
@@ -0,0 +1,40 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+## -----------------------------------------------------------------------
+## Intent: Remove makefile generated content
+## -----------------------------------------------------------------------
+.PHONY: clean
+clean ::
+	$(RM) -r $(JOBCONFIG_DIR)
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help-verbose += help-clean
+help-clean ::
+	@echo
+	@echo '[MAKE: clean]'
+	@echo '  clean               Remove makefile generated content'
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]
diff --git a/makefiles/targets/sterile.mk b/makefiles/targets/sterile.mk
new file mode 100644
index 0000000..1eb7035
--- /dev/null
+++ b/makefiles/targets/sterile.mk
@@ -0,0 +1,45 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+## -----------------------------------------------------------------------
+## Intent: Revert sandbox into a pristine checkout stage
+## -----------------------------------------------------------------------
+##   Note: Sterile target behavior differs from clean around handling of
+##         persistent content.  For ex removal of a python virtualenv adds
+##         extra overhead to development iteration:
+##           make clean   - preserve a virtual env
+##           make sterile - force reinstallation
+## -----------------------------------------------------------------------
+.PHONY: sterile
+sterile :: clean
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help-verbose += help-sterile
+help-sterile ::
+	@echo
+	@echo '[MAKE: sterile]'
+	@echo '  sterile             make clean, also remove persistent content (~venv)'
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]
diff --git a/makefiles/targets/test.mk b/makefiles/targets/test.mk
new file mode 100644
index 0000000..d70fa4a
--- /dev/null
+++ b/makefiles/targets/test.mk
@@ -0,0 +1,41 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+.PHONY: test
+test: $(venv-activate-script) $(JOBCONFIG_DIR)
+	$(activate) \
+	&& pipdeptree \
+	&& jenkins-jobs -l DEBUG test --recursive --config-xml -o "$(JOBCONFIG_DIR)" jjb/ ;
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help-verbose += help-test
+help-test ::
+	@echo
+	@echo '[MAKE: test]'
+	@echo '  test                Perform testing that a jenkins job pull request will invoke'
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]
diff --git a/makefiles/targets/tox.mk b/makefiles/targets/tox.mk
new file mode 100644
index 0000000..b3a638b
--- /dev/null
+++ b/makefiles/targets/tox.mk
@@ -0,0 +1,41 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+## -----------------------------------------------------------------------
+## Intent: Sanity check incoming JJB config changes.
+##   Todo: Depend on makefiles/lint/jjb.mk :: lint-jjb
+## -----------------------------------------------------------------------
+# lint : lint-jjb
+lint-tox: lint-jjb
+	tox -e py310
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help-verbose += help-tox
+help-tox ::
+	@echo
+	@echo '[MAKE: tox]'
+	@echo '  lint-tox            Python unit testing, sanity check incoming JJB changes.'
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]