diff --git a/utils/docker/Dockerfile.el.8 b/utils/docker/Dockerfile.el.8
index 8eef34f4cf7..5a6314e5630 100644
--- a/utils/docker/Dockerfile.el.8
+++ b/utils/docker/Dockerfile.el.8
@@ -23,14 +23,31 @@ ARG JENKINS_URL
 ARG REPOS
 ARG DAOS_LAB_CA_FILE_URL
 
-# Accept DAOS_NO_PROXY at build time
+# Accept DAOS_HTTP_PROXY, DAOS_HTTPS_PROXY, and DAOS_NO_PROXY at build time
+ARG DAOS_HTTP_PROXY
+ARG DAOS_HTTPS_PROXY
 ARG DAOS_NO_PROXY
 # Propagate into the build environment
-ENV no_proxy=${DAOS_NO_PROXY}
-ENV NO_PROXY=${DAOS_NO_PROXY}
+ENV http_proxy=${DAOS_HTTP_PROXY} \
+    HTTP_PROXY=${DAOS_HTTP_PROXY} \
+    https_proxy=${DAOS_HTTPS_PROXY} \
+    HTTPS_PROXY=${DAOS_HTTPS_PROXY} \
+    no_proxy=${DAOS_NO_PROXY} \
+    NO_PROXY=${DAOS_NO_PROXY}
 # Persist into /etc/environment for use by shells and services
-RUN echo "no_proxy=${DAOS_NO_PROXY}" >> /etc/environment && \
-    echo "NO_PROXY=${DAOS_NO_PROXY}" >> /etc/environment
+RUN set -e; \
+    if [ -n "$DAOS_HTTP_PROXY" ]; then \
+        echo "http_proxy=$DAOS_HTTP_PROXY" >> /etc/environment; \
+        echo "HTTP_PROXY=$DAOS_HTTP_PROXY" >> /etc/environment; \
+    fi; \
+    if [ -n "$DAOS_HTTPS_PROXY" ]; then \
+        echo "https_proxy=$DAOS_HTTPS_PROXY" >> /etc/environment; \
+        echo "HTTPS_PROXY=$DAOS_HTTPS_PROXY" >> /etc/environment; \
+    fi; \
+    if [ -n "$DAOS_NO_PROXY" ]; then \
+        echo "no_proxy=$DAOS_NO_PROXY" >> /etc/environment; \
+        echo "NO_PROXY=$DAOS_NO_PROXY" >> /etc/environment; \
+    fi
 
 # script to install OS updates basic tools and daos dependencies
 COPY ./utils/scripts/install-el8.sh /tmp/install.sh
diff --git a/utils/docker/Dockerfile.el.9 b/utils/docker/Dockerfile.el.9
index ac1a99798fc..fcdd0fc9d17 100644
--- a/utils/docker/Dockerfile.el.9
+++ b/utils/docker/Dockerfile.el.9
@@ -23,14 +23,31 @@ ARG JENKINS_URL
 ARG REPOS
 ARG DAOS_LAB_CA_FILE_URL
 
-# Accept DAOS_NO_PROXY at build time
+# Accept DAOS_HTTP_PROXY, DAOS_HTTPS_PROXY, and DAOS_NO_PROXY at build time
+ARG DAOS_HTTP_PROXY
+ARG DAOS_HTTPS_PROXY
 ARG DAOS_NO_PROXY
 # Propagate into the build environment
-ENV no_proxy=${DAOS_NO_PROXY}
-ENV NO_PROXY=${DAOS_NO_PROXY}
+ENV http_proxy=${DAOS_HTTP_PROXY} \
+    HTTP_PROXY=${DAOS_HTTP_PROXY} \
+    https_proxy=${DAOS_HTTPS_PROXY} \
+    HTTPS_PROXY=${DAOS_HTTPS_PROXY} \
+    no_proxy=${DAOS_NO_PROXY} \
+    NO_PROXY=${DAOS_NO_PROXY}
 # Persist into /etc/environment for use by shells and services
-RUN echo "no_proxy=${DAOS_NO_PROXY}" >> /etc/environment && \
-    echo "NO_PROXY=${DAOS_NO_PROXY}" >> /etc/environment
+RUN set -e; \
+    if [ -n "$DAOS_HTTP_PROXY" ]; then \
+        echo "http_proxy=$DAOS_HTTP_PROXY" >> /etc/environment; \
+        echo "HTTP_PROXY=$DAOS_HTTP_PROXY" >> /etc/environment; \
+    fi; \
+    if [ -n "$DAOS_HTTPS_PROXY" ]; then \
+        echo "https_proxy=$DAOS_HTTPS_PROXY" >> /etc/environment; \
+        echo "HTTPS_PROXY=$DAOS_HTTPS_PROXY" >> /etc/environment; \
+    fi; \
+    if [ -n "$DAOS_NO_PROXY" ]; then \
+        echo "no_proxy=$DAOS_NO_PROXY" >> /etc/environment; \
+        echo "NO_PROXY=$DAOS_NO_PROXY" >> /etc/environment; \
+    fi
 
 # script to install OS updates basic tools and daos dependencies
 COPY ./utils/scripts/install-el9.sh /tmp/install.sh
diff --git a/utils/docker/Dockerfile.leap.15 b/utils/docker/Dockerfile.leap.15
index a9c2129d9f2..25f7908afed 100644
--- a/utils/docker/Dockerfile.leap.15
+++ b/utils/docker/Dockerfile.leap.15
@@ -23,14 +23,31 @@ ARG JENKINS_URL
 ARG REPOS
 ARG DAOS_LAB_CA_FILE_URL
 
-# Accept DAOS_NO_PROXY at build time
+# Accept DAOS_HTTP_PROXY, DAOS_HTTPS_PROXY, and DAOS_NO_PROXY at build time
+ARG DAOS_HTTP_PROXY
+ARG DAOS_HTTPS_PROXY
 ARG DAOS_NO_PROXY
 # Propagate into the build environment
-ENV no_proxy=${DAOS_NO_PROXY}
-ENV NO_PROXY=${DAOS_NO_PROXY}
+ENV http_proxy=${DAOS_HTTP_PROXY} \
+    HTTP_PROXY=${DAOS_HTTP_PROXY} \
+    https_proxy=${DAOS_HTTPS_PROXY} \
+    HTTPS_PROXY=${DAOS_HTTPS_PROXY} \
+    no_proxy=${DAOS_NO_PROXY} \
+    NO_PROXY=${DAOS_NO_PROXY}
 # Persist into /etc/environment for use by shells and services
-RUN echo "no_proxy=${DAOS_NO_PROXY}" >> /etc/environment && \
-    echo "NO_PROXY=${DAOS_NO_PROXY}" >> /etc/environment
+RUN set -e; \
+    if [ -n "$DAOS_HTTP_PROXY" ]; then \
+        echo "http_proxy=$DAOS_HTTP_PROXY" >> /etc/environment; \
+        echo "HTTP_PROXY=$DAOS_HTTP_PROXY" >> /etc/environment; \
+    fi; \
+    if [ -n "$DAOS_HTTPS_PROXY" ]; then \
+        echo "https_proxy=$DAOS_HTTPS_PROXY" >> /etc/environment; \
+        echo "HTTPS_PROXY=$DAOS_HTTPS_PROXY" >> /etc/environment; \
+    fi; \
+    if [ -n "$DAOS_NO_PROXY" ]; then \
+        echo "no_proxy=$DAOS_NO_PROXY" >> /etc/environment; \
+        echo "NO_PROXY=$DAOS_NO_PROXY" >> /etc/environment; \
+    fi
 
 # script to install OS updates basic tools and daos dependencies
 COPY ./utils/scripts/install-leap15.sh /tmp/install.sh
diff --git a/utils/docker/Dockerfile.ubuntu b/utils/docker/Dockerfile.ubuntu
index b65e3eddad8..e6fa4af56b1 100644
--- a/utils/docker/Dockerfile.ubuntu
+++ b/utils/docker/Dockerfile.ubuntu
@@ -25,12 +25,29 @@ ARG DAOS_LAB_CA_FILE_URL
 
 # Accept DAOS_NO_PROXY at build time
 ARG DAOS_NO_PROXY
+ARG DAOS_HTTP_PROXY
+ARG DAOS_HTTPS_PROXY
 # Propagate into the build environment
-ENV no_proxy=${DAOS_NO_PROXY}
-ENV NO_PROXY=${DAOS_NO_PROXY}
+ENV http_proxy=${DAOS_HTTP_PROXY} \
+    HTTP_PROXY=${DAOS_HTTP_PROXY} \
+    https_proxy=${DAOS_HTTPS_PROXY} \
+    HTTPS_PROXY=${DAOS_HTTPS_PROXY} \
+    no_proxy=${DAOS_NO_PROXY} \
+    NO_PROXY=${DAOS_NO_PROXY}
 # Persist into /etc/environment for use by shells and services
-RUN echo "no_proxy=${DAOS_NO_PROXY}" >> /etc/environment && \
-    echo "NO_PROXY=${DAOS_NO_PROXY}" >> /etc/environment
+RUN set -e; \
+    if [ -n "$DAOS_HTTP_PROXY" ]; then \
+        echo "http_proxy=$DAOS_HTTP_PROXY" >> /etc/environment; \
+        echo "HTTP_PROXY=$DAOS_HTTP_PROXY" >> /etc/environment; \
+    fi; \
+    if [ -n "$DAOS_HTTPS_PROXY" ]; then \
+        echo "https_proxy=$DAOS_HTTPS_PROXY" >> /etc/environment; \
+        echo "HTTPS_PROXY=$DAOS_HTTPS_PROXY" >> /etc/environment; \
+    fi; \
+    if [ -n "$DAOS_NO_PROXY" ]; then \
+        echo "no_proxy=$DAOS_NO_PROXY" >> /etc/environment; \
+        echo "NO_PROXY=$DAOS_NO_PROXY" >> /etc/environment; \
+    fi
 
 # script to setup local repo if available and install packages
 COPY ./utils/scripts/helpers/repo-helper-ubuntu.sh /tmp/repo-helper.sh