diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4795924c086de16496c2c39f03427f97d61b2203..9344bda9138d7cb73ae959e7f323fe462412729e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,6 +22,8 @@ variables:
       - 'test-long-self-test'
       - 'ivas-conformance'
   GIT_CLEAN_FLAGS: -ffdxq
+  TESTCASE_TIMEOUT_STV_SANITIZERS: 180
+  TESTCASE_TIMEOUT_LTV_SANITIZERS: 1200
 
 
 default:
@@ -186,6 +188,20 @@ stages:
   - (Get-Content -Path "CMakeLists.txt") -replace '# \(add_compile_options\("\/WX"\)\)', '$1' | Set-Content -Path "CMakeLists.txt"
   - Get-ChildItem -Path "Workspace_msvc" -Filter "*.vcxproj" | ForEach-Object { (Get-Content -Path $_.FullName) -replace '<TreatWarningAsError>false', '<TreatWarningAsError>true' | Set-Content -Path $_.FullName }
 
+# to be reused in MR and LTV-scheduled sanitizer test jobs
+# set CLANG_NUM, SELFTEST_SANITY_TIMEOUT and SELF_TEST_PRM_FILE in before_script section
+.sanitizer-selftest-anchor: &sanitizer-selftest-anchor
+  stage: test
+  needs: ["build-codec-sanitizers-linux"]
+  script:
+    - *print-common-info
+    - *copy-ltv-files-to-testv-dir
+    - make clean
+    - make -j CLANG=$CLANG_NUM
+    - testcase_timeout=$SELFTEST_SANITY_TIMEOUT
+    - UBSAN_OPTIONS=suppressions=scripts/ubsan.supp,report_error_type=1 python3 -m pytest $SELF_TEST_PRM_FILE -v --update_ref 1 -m create_ref --html=report.html --self-contained-html --junit-xml=report-junit.xml --testcase_timeout=$testcase_timeout --ref_encoder_path ./IVAS_cod --ref_decoder_path ./IVAS_dec
+
+
 # ---------------------------------------------------------------
 # Job templates
 # ---------------------------------------------------------------
@@ -255,6 +271,37 @@ stages:
     - python3 scripts/prepare_combined_format_inputs.py
     - cp -r scripts/testv/* $TESTV_DIR/
 
+.sanitizer-selftest-on-mr:
+  extends:
+    - .test-job-linux-needs-testv-dir
+    - .rules-merge-request
+  artifacts:
+    name: "mr-$CI_MERGE_REQUEST_IID--sha-$CI_COMMIT_SHORT_SHA--stage-$CI_JOB_STAGE--results"
+    expire_in: 1 week
+    when: always
+    paths:
+      - report-junit.xml
+      - report.html
+    expose_as: "Sanitizer selftest results"
+    reports:
+      junit:
+        - report-junit.xml
+
+.sanitizer-selftest-ltv:
+  extends:
+    - .test-job-linux-needs-testv-dir
+  artifacts:
+    name: "$CI_JOB_NAME--sha-$CI_COMMIT_SHORT_SHA--results"
+    expire_in: 2 week
+    when: always
+    paths:
+      - report-junit.xml
+      - report.html
+    expose_as: "Sanitizer selftest results"
+    reports:
+      junit:
+        - report-junit.xml
+
 # ---------------------------------------------------------------
 # .pre jobs for setting up things
 # ---------------------------------------------------------------
@@ -449,83 +496,32 @@ codec-smoke-test:
 # code selftest testvectors with memory-sanitizer binaries
 codec-msan:
   extends:
-    - .test-job-linux-needs-testv-dir
-    - .rules-merge-request
-  stage: test
-  needs: ["build-codec-sanitizers-linux"]
-  script:
-    - *print-common-info
-    - make clean
-    - make -j CLANG=1
-    - testcase_timeout=180
-    - exit_code=0
-    - python3 -m pytest tests/codec_be_on_mr_nonselection/test_param_file.py -v --update_ref 1 -m create_ref --html=report.html --self-contained-html --junit-xml=report-junit.xml --testcase_timeout=$testcase_timeout --ref_encoder_path ./IVAS_cod --ref_decoder_path ./IVAS_dec || exit_code=$?
-    - if [ $exit_code != 0 ] ; then echo "Run errors found by Clang memory-sanitizer"; exit 1; fi
-  artifacts:
-    name: "mr-$CI_MERGE_REQUEST_IID--sha-$CI_COMMIT_SHORT_SHA--stage-$CI_JOB_STAGE--results"
-    expire_in: 1 week
-    when: always
-    paths:
-      - report-junit.xml
-      - report.html
-    expose_as: "msan selftest results"
-    reports:
-      junit:
-        - report-junit.xml
+    - .sanitizer-selftest-on-mr
+  before_script:
+    - CLANG_NUM=1
+    - SELFTEST_SANITY_TIMEOUT=$TESTCASE_TIMEOUT_STV_SANITIZERS
+    - SELF_TEST_PRM_FILE="tests/codec_be_on_mr_nonselection/test_param_file.py"
+  <<: *sanitizer-selftest-anchor
 
 # code selftest testvectors with address-sanitizer binaries
 codec-asan:
   extends:
-    - .test-job-linux-needs-testv-dir
-    - .rules-merge-request
-  stage: test
-  needs: ["build-codec-sanitizers-linux"]
-  script:
-    - *print-common-info
-    - make clean
-    - make -j CLANG=2
-    - testcase_timeout=180
-    - exit_code=0
-    - python3 -m pytest tests/codec_be_on_mr_nonselection/test_param_file.py -v --update_ref 1 -m create_ref --html=report.html --self-contained-html --junit-xml=report-junit.xml --testcase_timeout=$testcase_timeout --ref_encoder_path ./IVAS_cod --ref_decoder_path ./IVAS_dec || exit_code=$?
-    - if [ $exit_code != 0 ] ; then echo "Run errors found by Clang address-sanitizer"; exit 1; fi
-  artifacts:
-    name: "mr-$CI_MERGE_REQUEST_IID--sha-$CI_COMMIT_SHORT_SHA--stage-$CI_JOB_STAGE--results"
-    expire_in: 1 week
-    when: always
-    paths:
-      - report-junit.xml
-      - report.html
-    expose_as: "asan selftest results"
-    reports:
-      junit:
-        - report-junit.xml
+    - .sanitizer-selftest-on-mr
+  before_script:
+    - CLANG_NUM=2
+    - SELFTEST_SANITY_TIMEOUT=$TESTCASE_TIMEOUT_STV_SANITIZERS
+    - SELF_TEST_PRM_FILE="tests/codec_be_on_mr_nonselection/test_param_file.py"
+  <<: *sanitizer-selftest-anchor
 
-# code selftest testvectors with address-sanitizer binaries
+# code selftest testvectors with undefined-behaviour-sanitizer binaries
 codec-usan:
   extends:
-    - .test-job-linux-needs-testv-dir
-    - .rules-merge-request
-  stage: test
-  needs: ["build-codec-sanitizers-linux"]
-  script:
-    - *print-common-info
-    - make clean
-    - make -j CLANG=3
-    - testcase_timeout=180
-    - exit_code=0
-    - UBSAN_OPTIONS=suppressions=scripts/ubsan.supp,report_error_type=1 python3 -m pytest tests/codec_be_on_mr_nonselection/test_param_file.py -v --update_ref 1 -m create_ref --html=report.html --self-contained-html --junit-xml=report-junit.xml --testcase_timeout=$testcase_timeout --ref_encoder_path ./IVAS_cod --ref_decoder_path ./IVAS_dec || exit_code=$?
-    - if [ $exit_code != 0 ] ; then echo "Run errors found by Clang undefined-behavior-sanitizer"; exit 1; fi
-  artifacts:
-    name: "mr-$CI_MERGE_REQUEST_IID--sha-$CI_COMMIT_SHORT_SHA--stage-$CI_JOB_STAGE--results"
-    expire_in: 1 week
-    when: always
-    paths:
-      - report-junit.xml
-      - report.html
-    expose_as: "usan selftest results"
-    reports:
-      junit:
-        - report-junit.xml
+    - .sanitizer-selftest-on-mr
+  before_script:
+    - CLANG_NUM=3
+    - SELFTEST_SANITY_TIMEOUT=$TESTCASE_TIMEOUT_STV_SANITIZERS
+    - SELF_TEST_PRM_FILE="tests/codec_be_on_mr_nonselection/test_param_file.py"
+  <<: *sanitizer-selftest-anchor
 
 # test renderer executable
 renderer-smoke-test:
@@ -1374,6 +1370,56 @@ test-long-self-test:
 # ---------------------------------------------------------------
 # Scheduled jobs on main
 # ---------------------------------------------------------------
+
+# code selftest long testvectors with memory-sanitizer binaries
+ltv-msan:
+  extends:
+    - .sanitizer-selftest-ltv
+  rules:
+    - if: $SANITIZER_SCHEDULE_E
+  timeout: 1 hour
+  tags:
+    - ivas-linux-fast
+  before_script:
+    - CLANG_NUM=1
+    - SELFTEST_SANITY_TIMEOUT=$TESTCASE_TIMEOUT_LTV_SANITIZERS
+    - SELF_TEST_PRM_FILE="tests/test_param_file_ltv.py"
+  <<: *sanitizer-selftest-anchor
+
+# code selftest long testvectors with address-sanitizer binaries
+ltv-asan:
+  extends:
+    - .sanitizer-selftest-ltv
+  rules:
+    - if: $SANITIZER_SCHEDULE_E
+      when: delayed
+      start_in: 1 hours
+  tags:
+    - ivas-linux-fast
+  timeout: 1 hour
+  before_script:
+    - CLANG_NUM=2
+    - SELFTEST_SANITY_TIMEOUT=$TESTCASE_TIMEOUT_LTV_SANITIZERS
+    - SELF_TEST_PRM_FILE="tests/test_param_file_ltv.py"
+  <<: *sanitizer-selftest-anchor
+
+# code selftest long testvectors with undefined-behaviour-sanitizer binaries
+ltv-usan:
+  extends:
+    - .sanitizer-selftest-ltv
+  rules:
+    - if: $SANITIZER_SCHEDULE_E
+      when: delayed
+      start_in: 2 hours
+  tags:
+    - ivas-linux-fast
+  timeout: 1 hour
+  before_script:
+    - CLANG_NUM=3
+    - SELFTEST_SANITY_TIMEOUT=$TESTCASE_TIMEOUT_LTV_SANITIZERS
+    - SELF_TEST_PRM_FILE="tests/test_param_file_ltv.py"
+  <<: *sanitizer-selftest-anchor
+
 .sanitizer-test-template:
   extends:
     - .test-job-linux