diff --git a/Jenkinsfile b/Jenkinsfile
index 0d2da7bf8..af876a718 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -35,15 +35,13 @@ def runStages() {
 					stage("Test suite") {
 						sh "make -j${env.NPROC} DISABLE_TEST_FIXTURES_SCRIPT=1 test"
 					}
-					if ("${NODE_NAME}" ==~ /linux.*/) {
-						stage("testnet finalization") {
-							// EXECUTOR_NUMBER will be 0 or 1, since we have 2 executors per Jenkins node
-							sh """#!/bin/bash
-							set -e
-							timeout -k 20s 10m ./scripts/launch_local_testnet.sh --testnet 0 --nodes 4 --log-level INFO --disable-htop --data-dir local_testnet0_data --base-port \$(( 9000 + EXECUTOR_NUMBER * 100 )) --base-metrics-port \$(( 8008 + EXECUTOR_NUMBER * 100 )) -- --verify-finalization --stop-at-epoch=5
-							timeout -k 20s 40m ./scripts/launch_local_testnet.sh --testnet 1 --nodes 4 --log-level INFO --disable-htop --data-dir local_testnet1_data --base-port \$(( 9000 + EXECUTOR_NUMBER * 100 )) --base-metrics-port \$(( 8008 + EXECUTOR_NUMBER * 100 )) -- --verify-finalization --stop-at-epoch=5
-							"""
-						}
+					stage("testnet finalization") {
+						// EXECUTOR_NUMBER will be 0 or 1, since we have 2 executors per Jenkins node
+						sh """#!/bin/bash
+						set -e
+						./scripts/launch_local_testnet.sh --testnet 0 --nodes 4 --log-level INFO --disable-htop --data-dir local_testnet0_data --base-port \$(( 9000 + EXECUTOR_NUMBER * 100 )) --base-metrics-port \$(( 8008 + EXECUTOR_NUMBER * 100 )) -- --verify-finalization --stop-at-epoch=5
+						./scripts/launch_local_testnet.sh --testnet 1 --nodes 4 --log-level INFO --disable-htop --data-dir local_testnet1_data --base-port \$(( 9000 + EXECUTOR_NUMBER * 100 )) --base-metrics-port \$(( 8008 + EXECUTOR_NUMBER * 100 )) -- --verify-finalization --stop-at-epoch=5
+						"""
 					}
 				}
 			)
@@ -53,14 +51,12 @@ def runStages() {
 		throw e
 	} finally {
 		// archive testnet logs
-		if ("${NODE_NAME}" ==~ /linux.*/) {
-			sh """#!/bin/bash
-			for D in local_testnet0_data local_testnet1_data; do
-				[[ -d "\$D" ]] && tar cjf "\${D}.tar.bz2" "\${D}"/*.txt || true
-			done
-			"""
-			archiveArtifacts("*.tar.bz2")
-		}
+		sh """#!/bin/bash
+		for D in local_testnet0_data local_testnet1_data; do
+			[[ -d "\$D" ]] && tar cjf "\${D}-\${NODE_NAME}.tar.bz2" "\${D}"/*.txt || true
+		done
+		"""
+		archiveArtifacts("*.tar.bz2")
 		// clean the workspace
 		cleanWs(disableDeferredWipeout: true, deleteDirs: true)
 	}
diff --git a/scripts/launch_local_testnet.sh b/scripts/launch_local_testnet.sh
index d2a40a194..2f24102c2 100755
--- a/scripts/launch_local_testnet.sh
+++ b/scripts/launch_local_testnet.sh
@@ -17,7 +17,15 @@ cd "$(dirname "${BASH_SOURCE[0]}")"/..
 ####################
 # argument parsing #
 ####################
-! getopt --test > /dev/null
+
+GETOPT_BINARY="getopt"
+if uname | grep -qi darwin; then
+  # macOS
+  GETOPT_BINARY="/usr/local/opt/gnu-getopt/bin/getopt"
+	[[ -f "$GETOPT_BINARY" ]] || { echo "GNU getopt not installed. Please run 'brew install gnu-getopt'. Aborting."; exit 1; }
+fi
+
+! ${GETOPT_BINARY} --test > /dev/null
 if [ ${PIPESTATUS[0]} != 4 ]; then
 	echo '`getopt --test` failed in this environment.'
 	exit 1
@@ -55,7 +63,7 @@ CI run: $(basename $0) --disable-htop -- --verify-finalization --stop-at-epoch=5
 EOF
 }
 
-! PARSED=$(getopt --options=${OPTS} --longoptions=${LONGOPTS} --name "$0" -- "$@")
+! PARSED=$(${GETOPT_BINARY} --options=${OPTS} --longoptions=${LONGOPTS} --name "$0" -- "$@")
 if [ ${PIPESTATUS[0]} != 0 ]; then
 	# getopt has complained about wrong arguments to stdout
 	exit 1
@@ -279,7 +287,7 @@ for NUM_NODE in $(seq 0 $(( NUM_NODES - 1 ))); do
 
 	if [[ $NUM_NODE -lt $NODES_WITH_VALIDATORS ]]; then
 		for VALIDATOR in $(ls ${VALIDATORS_DIR} | tail -n +$(( $USER_VALIDATORS + ($VALIDATORS_PER_NODE * $NUM_NODE) + 1 )) | head -n $VALIDATORS_PER_NODE); do
-			cp -ar "${VALIDATORS_DIR}/$VALIDATOR" "${NODE_DATA_DIR}/validators/"
+			cp -a "${VALIDATORS_DIR}/$VALIDATOR" "${NODE_DATA_DIR}/validators/"
 			cp -a "${SECRETS_DIR}/${VALIDATOR}" "${NODE_DATA_DIR}/secrets/"
 		done
 	fi
@@ -310,7 +318,7 @@ done
 
 # give the regular nodes time to crash
 sleep 5
-BG_JOBS="$(jobs | wc -l)"
+BG_JOBS="$(jobs | wc -l | tr -d ' ')"
 if [[ "$BG_JOBS" != "$NUM_NODES" ]]; then
 	echo "$((NUM_NODES - BG_JOBS)) beacon_node instance(s) exited early. Aborting."
 	dump_logs
diff --git a/scripts/make_prometheus_config.sh b/scripts/make_prometheus_config.sh
index 92bb203a7..871bb7ba0 100755
--- a/scripts/make_prometheus_config.sh
+++ b/scripts/make_prometheus_config.sh
@@ -12,7 +12,15 @@ set -e
 ####################
 # argument parsing #
 ####################
-! getopt --test > /dev/null
+
+GETOPT_BINARY="getopt"
+if uname | grep -qi darwin; then
+  # macOS
+  GETOPT_BINARY="/usr/local/opt/gnu-getopt/bin/getopt"
+	[[ -f "$GETOPT_BINARY" ]] || { echo "GNU getopt not installed. Please run 'brew install gnu-getopt'. Aborting."; exit 1; }
+fi
+
+! ${GETOPT_BINARY} --test > /dev/null
 if [ ${PIPESTATUS[0]} != 4 ]; then
 	echo '`getopt --test` failed in this environment.'
 	exit 1
@@ -37,7 +45,7 @@ Usage: $(basename $0) --nodes ${NUM_NODES} --base-metrics-port ${BASE_METRICS_PO
 EOF
 }
 
-! PARSED=$(getopt --options=${OPTS} --longoptions=${LONGOPTS} --name "$0" -- "$@")
+! PARSED=$(${GETOPT_BINARY} --options=${OPTS} --longoptions=${LONGOPTS} --name "$0" -- "$@")
 if [ ${PIPESTATUS[0]} != 0 ]; then
 	# getopt has complained about wrong arguments to stdout
 	exit 1
diff --git a/tests/simulation/run_validator.sh b/tests/simulation/run_validator.sh
index 05ebaa8dc..7cdee21cb 100755
--- a/tests/simulation/run_validator.sh
+++ b/tests/simulation/run_validator.sh
@@ -34,7 +34,7 @@ if [[ $NODE_ID -lt $TOTAL_NODES ]]; then
 
   pushd "$VALIDATORS_DIR" >/dev/null
   for VALIDATOR in $(ls | tail -n +$(( $VALIDATOR_OFFSET + ($VALIDATORS_PER_NODE * $NODE_ID) + 1 )) | head -n $VALIDATORS_PER_NODE); do
-      cp -ar "$VALIDATOR" "$NODE_VALIDATORS_DIR"
+      cp -a "$VALIDATOR" "$NODE_VALIDATORS_DIR"
       cp -a "$SECRETS_DIR/$VALIDATOR" "$NODE_SECRETS_DIR"
     done
   popd >/dev/null