diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4e1f80eb3..252143b77 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -221,12 +221,27 @@ jobs:
       - attach_workspace:
           at: .
       - run:
-          name: 'Install and Test (check-isolation)'
+          name: 'Install and Test (check-columnar)'
           command: 'chown -R circleci:circleci /home/circleci && install-and-test-ext check-columnar'
           no_output_timeout: 2m
       - codecov/upload:
           flags: 'test_11,columnar'
 
+  test-11_check-columnar-isolation:
+    docker:
+      - image: 'citus/exttester:11.9'
+    working_directory: /home/circleci/project
+    steps:
+      - checkout
+      - attach_workspace:
+          at: .
+      - run:
+          name: 'Install and Test (check-columnar-isolation)'
+          command: 'chown -R circleci:circleci /home/circleci && install-and-test-ext check-columnar-isolation'
+          no_output_timeout: 2m
+      - codecov/upload:
+          flags: 'test_11,columnar,isolation'
+
   test-11-12_check-pg-upgrade:
     docker:
       - image: 'citus/pgupgradetester:latest'
@@ -374,12 +389,27 @@ jobs:
       - attach_workspace:
           at: .
       - run:
-          name: 'Install and Test (check-isolation)'
+          name: 'Install and Test (check-columnar)'
           command: 'chown -R circleci:circleci /home/circleci && install-and-test-ext check-columnar'
           no_output_timeout: 2m
       - codecov/upload:
           flags: 'test_12,columnar'
 
+  test-12_check-columnar-isolation:
+    docker:
+      - image: 'citus/exttester:12.4'
+    working_directory: /home/circleci/project
+    steps:
+      - checkout
+      - attach_workspace:
+          at: .
+      - run:
+          name: 'Install and Test (check-columnar-isolation)'
+          command: 'chown -R circleci:circleci /home/circleci && install-and-test-ext check-columnar-isolation'
+          no_output_timeout: 2m
+      - codecov/upload:
+          flags: 'test_12,columnar,isolation'
+
   test-11_check-citus-upgrade:
     docker:
       - image: 'citus/citusupgradetester:11.9'
@@ -525,12 +555,27 @@ jobs:
       - attach_workspace:
           at: .
       - run:
-          name: 'Install and Test (check-isolation)'
+          name: 'Install and Test (check-columnar)'
           command: 'chown -R circleci:circleci /home/circleci && install-and-test-ext check-columnar'
           no_output_timeout: 2m
       - codecov/upload:
           flags: 'test_13,columnar'
 
+  test-13_check-columnar-isolation:
+    docker:
+      - image: 'citus/exttester:13.0'
+    working_directory: /home/circleci/project
+    steps:
+      - checkout
+      - attach_workspace:
+          at: .
+      - run:
+          name: 'Install and Test (check-columnar-isolation)'
+          command: 'chown -R circleci:circleci /home/circleci && install-and-test-ext check-columnar-isolation'
+          no_output_timeout: 2m
+      - codecov/upload:
+          flags: 'test_13,columnar,isolation'
+
   check-merge-to-enterprise:
     docker:
       - image: citus/extbuilder:13.0
@@ -605,6 +650,8 @@ workflows:
           requires: [build-11]
       - test-11_check-columnar:
           requires: [build-11]
+      - test-11_check-columnar-isolation:
+          requires: [build-11]
 
       - test-12_check-multi:
           requires: [build-12]
@@ -622,6 +669,8 @@ workflows:
           requires: [build-12]
       - test-12_check-columnar:
           requires: [build-12]
+      - test-12_check-columnar-isolation:
+          requires: [build-12]
 
       - test-13_check-multi:
           requires: [build-13]
@@ -639,6 +688,8 @@ workflows:
           requires: [build-13]
       - test-13_check-columnar:
           requires: [build-13]
+      - test-13_check-columnar-isolation:
+          requires: [build-13]
 
       - test-11-12_check-pg-upgrade:
           requires:
diff --git a/src/test/regress/Makefile b/src/test/regress/Makefile
index b4990d151..2b2be20f9 100644
--- a/src/test/regress/Makefile
+++ b/src/test/regress/Makefile
@@ -170,17 +170,25 @@ check-failure-base: all
 	-- $(MULTI_REGRESS_OPTS) --schedule=$(citus_abs_srcdir)/failure_base_schedule $(EXTRA_TESTS)
 
 COLUMNAR_SCHEDULES =
+COLUMNAR_ISOLATION_SCHEDULES =
 ifeq ($(USE_FDW),yes)
   COLUMNAR_SCHEDULES += columnar_fdw_schedule
+  COLUMNAR_ISOLATION_SCHEDULES += columnar_fdw_isolation_schedule
 endif
 ifeq ($(USE_TABLEAM),yes)
   COLUMNAR_SCHEDULES += columnar_am_schedule
+  COLUMNAR_ISOLATION_SCHEDULES += columnar_am_isolation_schedule
 endif
 
 check-columnar:
 	$(pg_regress_multi_check) --load-extension=citus \
 	-- $(MULTI_REGRESS_OPTS) $(addprefix --schedule=$(citus_abs_srcdir)/,$(COLUMNAR_SCHEDULES)) $(EXTRA_TESTS)
 
+
+check-columnar-isolation: all  $(isolation_test_files)
+	$(pg_regress_multi_check) --load-extension=citus --isolationtester \
+	-- $(MULTI_REGRESS_OPTS) --inputdir=$(citus_abs_srcdir)/build $(addprefix --schedule=$(citus_abs_srcdir)/,$(COLUMNAR_ISOLATION_SCHEDULES)) $(EXTRA_TESTS)
+
 check-pg-upgrade:
 	$(pg_upgrade_check) --old-bindir=$(old-bindir) --new-bindir=$(new-bindir) --pgxsdir=$(pgxsdir)
 
diff --git a/src/test/regress/columnar_am_isolation_schedule b/src/test/regress/columnar_am_isolation_schedule
new file mode 100644
index 000000000..dab6e0acc
--- /dev/null
+++ b/src/test/regress/columnar_am_isolation_schedule
@@ -0,0 +1,2 @@
+test: am_write_concurrency
+test: am_vacuum_vs_insert
diff --git a/src/test/regress/columnar_fdw_isolation_schedule b/src/test/regress/columnar_fdw_isolation_schedule
new file mode 100644
index 000000000..4b9bae8a3
--- /dev/null
+++ b/src/test/regress/columnar_fdw_isolation_schedule
@@ -0,0 +1 @@
+# just an empty file now, please remove when we have a test