diff --git a/Jenkinsfile b/Jenkinsfile
index 4c66c7298..641ad6141 100755
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,7 +1,8 @@
 #!/usr/bin/env groovy
 /* groovylint-disable DuplicateListLiteral, DuplicateMapLiteral, DuplicateNumberLiteral */
 // groovylint-disable DuplicateStringLiteral, NestedBlockDepth, VariableName
-/* Copyright (C) 2019-2023 Intel Corporation
+/* Copyright 2019-2024 Intel Corporation
+ * Copyright 2025 Hewlett Packard Enterprise Development LP
  * All rights reserved.
  *
  * This file is part of the DAOS Project. It is subject to the license terms
@@ -229,6 +230,7 @@ pipeline {
                         dockerfile {
                             filename 'docker/Dockerfile.el.8'
                             label 'docker_runner'
+                            additionalBuildArgs dockerBuildArgs()
                         }
                     }
                     steps {
@@ -268,7 +270,7 @@ pipeline {
                         dockerfile {
                             filename 'docker/Dockerfile.el.8'
                             label 'docker_runner'
-                            additionalBuildArgs dockerBuildArgs(cachebust: false, add_repos: false)
+                            additionalBuildArgs dockerBuildArgs(cachebust: false)
                         }
                     }
                     steps {
diff --git a/vars/buildRpm.groovy b/vars/buildRpm.groovy
index 80370abd9..fbf8e0d2b 100755
--- a/vars/buildRpm.groovy
+++ b/vars/buildRpm.groovy
@@ -1,5 +1,9 @@
 /* groovylint-disable DuplicateStringLiteral, VariableName */
 // vars/buildRpm.groovy
+/*
+ * Copyright 2020-2024 Intel Corporation
+ * Copyright 2025 Hewlett Packard Enterprise Development LP
+ */
 
   /**
    * buildRpm step method
@@ -60,6 +64,16 @@ Map call(Map config = [:]) {
         env_vars = ' CHROOT_NAME=' + config['chroot_name']
     }
 
+    String https_proxy = ''
+    if (env.DAOS_HTTPS_PROXY) {
+        https_proxy = "${env.DAOS_HTTPS_PROXY}"
+    } else if (env.HTTPS_PROXY) {
+        https_proxy = "${env.HTTPS_PROXY}"
+    }
+    if (https_proxy) {
+        env_vars += ' HTTPS_PROXY=' + https_proxy
+    }
+
     String error_stage_result = 'FAILURE'
     String error_build_result = 'FAILURE'
     if (config['unstable']) {
diff --git a/vars/dockerBuildArgs.groovy b/vars/dockerBuildArgs.groovy
index 883c6df07..5186198a8 100644
--- a/vars/dockerBuildArgs.groovy
+++ b/vars/dockerBuildArgs.groovy
@@ -1,5 +1,9 @@
 /* groovylint-disable DuplicateStringLiteral, VariableName */
 // vars/dockerBuildArgs.groovy
+/*
+ * Copyright 2020-2024 Intel Corporation
+ * Copyright 2025 Hewlett Packard Enterprise Development LP
+ */
 
 Integer num_proc() {
     return sh(label: 'Get number of processors online',
@@ -31,7 +35,6 @@ Integer num_proc() {
 
 String call(Map config = [:]) {
     Boolean cachebust = config.get('cachebust', true)
-    Boolean add_repos = config.get('add_repos', true)
     Boolean deps_build = config.get('deps_build', false)
     Boolean parallel_build = config.get('parallel_build', false)
 
@@ -55,12 +58,22 @@ String call(Map config = [:]) {
     }
 
     // pass through env. var.s
-    ['DAOS_LAB_CA_FILE_URL', 'REPO_FILE_URL', 'HTTP_PROXY', 'HTTPS_PROXY'].each { var ->
+    ['DAOS_LAB_CA_FILE_URL', 'REPO_FILE_URL', 'HTTP_PROXY'].each { var ->
         if (env."$var") {
             ret_str += ' --build-arg ' + var + '="' + env."$var" + '"'
         }
     }
 
+    String https_proxy = ''
+    if (env.DAOS_HTTPS_PROXY) {
+        https_proxy = env.DAOS_HTTPS_PROXY
+    } else if (env.HTTPS_PROXY) {
+        https_proxy = env.HTTPS_PROXY
+    }
+    if (https_proxy) {
+        ret_str += ' --build-arg HTTPS_PROXY' + '="' + https_proxy + '"'
+    }
+
     if (config['qb']) {
         ret_str += ' --build-arg QUICKBUILD=true --build-arg DAOS_DEPS_BUILD=no'
     } else {
diff --git a/vars/functionalTest.groovy b/vars/functionalTest.groovy
index 78e221983..09f9689ee 100755
--- a/vars/functionalTest.groovy
+++ b/vars/functionalTest.groovy
@@ -1,5 +1,9 @@
 /* groovylint-disable VariableName */
 // vars/functionalTest.groovy
+/*
+ * Copyright 2020-2024 Intel Corporation
+ * Copyright 2025 Hewlett Packard Enterprise Development LP
+ */
 
   /**
    * functionalTest step method
@@ -110,8 +114,17 @@ Map call(Map config = [:]) {
     run_test_config['context'] = context
     run_test_config['description'] = description
 
-    sh label: 'Install Launchable',
-     script: '''if ! pip3 install --upgrade --upgrade-strategy only-if-needed launchable; then
+    String https_proxy = ''
+    if (env.DAOS_HTTPS_PROXY) {
+        https_proxy = "${env.DAOS_HTTPS_PROXY}"
+    } else if (env.HTTPS_PROXY) {
+        https_proxy = "${env.HTTPS_PROXY}"
+    }
+    String script = 'if ! pip3 install'
+    if (https_proxy) {
+        script += ' --proxy "' + https_proxy + '"'
+    }
+    script += ''' --upgrade --upgrade-strategy only-if-needed launchable; then
                     set +e
                     echo "Failed to install launchable"
                     id
@@ -125,6 +138,8 @@ Map call(Map config = [:]) {
                 fi
                 pip3 list --user || true
                 '''
+    sh label: 'Install Launchable',
+       script: script
 
     try {
         withCredentials([string(credentialsId: 'launchable-test', variable: 'LAUNCHABLE_TOKEN')]) {
diff --git a/vars/functionalTestPostV2.groovy b/vars/functionalTestPostV2.groovy
index 0ee061542..42369091d 100755
--- a/vars/functionalTestPostV2.groovy
+++ b/vars/functionalTestPostV2.groovy
@@ -98,8 +98,21 @@ void call(Map config = [:]) {
            script: 'ci/functional/launchable_analysis "' + fileName + '"')
     }
 
+    String https_proxy = ''
+    if (env.DAOS_HTTPS_PROXY) {
+        https_proxy = "${env.DAOS_HTTPS_PROXY}"
+    } else if (env.HTTPS_PROXY) {
+        https_proxy = "${env.HTTPS_PROXY}"
+    }
+    String script = 'pip3 install'
+    if (https_proxy) {
+        script += ' --proxy "' + https_proxy + '"'
+    }
+    script += ' --user --upgrade launchable~=1.0'
+
+
     sh(label: 'Install Launchable',
-       script: 'pip3 install --user --upgrade launchable~=1.0')
+       script: script)
 
     try {
         withCredentials([string(credentialsId: 'launchable-test', variable: 'LAUNCHABLE_TOKEN')]) {
diff --git a/vars/packageBuildingPipeline.groovy b/vars/packageBuildingPipeline.groovy
index 28ca90140..09c3f841e 100644
--- a/vars/packageBuildingPipeline.groovy
+++ b/vars/packageBuildingPipeline.groovy
@@ -1,6 +1,6 @@
 #!/usr/bin/groovy
 /* groovylint-disable DuplicateMapLiteral, DuplicateStringLiteral, NestedBlockDepth */
-/* Copyright (C) 2019-2023 Intel Corporation
+/* Copyright 2019-2023 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/vars/packageBuildingPipelineDAOS.groovy b/vars/packageBuildingPipelineDAOS.groovy
index 3353f6d86..353ba420b 100644
--- a/vars/packageBuildingPipelineDAOS.groovy
+++ b/vars/packageBuildingPipelineDAOS.groovy
@@ -1,6 +1,6 @@
 #!/usr/bin/groovy
 /* groovylint-disable DuplicateMapLiteral, DuplicateStringLiteral, NestedBlockDepth, VariableName */
-/* Copyright (C) 2019-2023 Intel Corporation
+/* Copyright 2019-2023 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/vars/packageBuildingPipelineDAOSTest.groovy b/vars/packageBuildingPipelineDAOSTest.groovy
index 1842b8fac..a732db4de 100644
--- a/vars/packageBuildingPipelineDAOSTest.groovy
+++ b/vars/packageBuildingPipelineDAOSTest.groovy
@@ -1,7 +1,7 @@
 #!/usr/bin/groovy
 /* groovylint-disable DuplicateMapLiteral, DuplicateStringLiteral, NestedBlockDepth, VariableName */
-/* Copyright (C) 2019-2024 Intel Corporation
- * Copyright (C) 2025 Hewlett Packard Enterprise Development LP
+/* Copyright 2019-2024 Intel Corporation
+ * Copyright 2025 Hewlett Packard Enterprise Development LP
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/vars/provisionNodes.groovy b/vars/provisionNodes.groovy
index f8d9ef6b9..eb213d483 100644
--- a/vars/provisionNodes.groovy
+++ b/vars/provisionNodes.groovy
@@ -1,5 +1,9 @@
 /* groovylint-disable DuplicateNumberLiteral, DuplicateStringLiteral, VariableName */
 // vars/provisionNodes.groovy
+/*
+ * Copyright 2020-2024 Intel Corporation
+ * Copyright 2025 Hewlett Packard Enterprise Development LP
+ */
 
 /**
  * provisionNodes.groovy
@@ -155,6 +159,12 @@ Map call(Map config = [:]) {
     default:
             error "Unsupported distro type: ${distro_type}/distro: ${distro}"
     }
+    String https_proxy = ''
+    if (env.DAOS_HTTPS_PROXY) {
+        https_proxy = "${env.DAOS_HTTPS_PROXY}"
+    } else if (env.HTTPS_PROXY) {
+        https_proxy = "${env.HTTPS_PROXY}"
+    }
     provision_script += ' ' +
                       'NODESTRING=' + nodeString + ' ' +
                       'CONFIG_POWER_ONLY=' + config_power_only + ' ' +
@@ -164,6 +174,7 @@ Map call(Map config = [:]) {
                       // https://issues.jenkins.io/browse/JENKINS-55819
                       'CI_RPM_TEST_VERSION="' + (params.CI_RPM_TEST_VERSION ?: '') + '" ' +
                       'CI_PR_REPOS="' + (params.CI_PR_REPOS ?: '') + '" ' +
+                      'HTTPS_PROXY="' + https_proxy + '" ' +
                       'ci/provisioning/post_provision_config.sh'
     new_config['post_restore'] = provision_script
     try {