diff --git a/buildpipeline/pipeline.json b/buildpipeline/pipeline.json
index b6c834b88afb..4c125911620d 100644
--- a/buildpipeline/pipeline.json
+++ b/buildpipeline/pipeline.json
@@ -74,6 +74,20 @@
             "Platform": "arm",
             "Type": "build/product/"
           }
+        },
+        {
+          "Name": "DotNet-CoreFx-Trusted-Linux-Crossbuild",
+          "Parameters": {
+            "PB_DockerTag": "ubuntu-16.04-cross-arm64-a3ae44b-20180315221921",
+            "PB_Architecture": "arm64",
+            "PB_BuildArguments": "-buildArch=arm64 -$(PB_ConfigurationGroup) -stripSymbols -- /p:StabilizePackageVersion=$(PB_IsStable) /p:PackageVersionStamp=$(PB_VersionStamp)",
+            "PB_SyncArguments": "-p -- /p:ArchGroup=arm64 /p:DotNetRestoreSources=$(PB_RestoreSource) /p:DotNetAssetRootUrl=$(PB_AssetRootUrl)"
+          },
+          "ReportingParameters": {
+            "OperatingSystem": "Linux",
+            "Platform": "arm64",
+            "Type": "build/product/"
+          }
         }
       ]
     },
diff --git a/cross/arm64_ci_script.sh b/cross/arm64_ci_script.sh
new file mode 100755
index 000000000000..83e0f2c388b7
--- /dev/null
+++ b/cross/arm64_ci_script.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+
+function exit_with_error {
+    set +x
+
+    local errorMessage="$1"
+
+    echo "ERROR: $errorMessage"
+    exit 1
+}
+
+#Exit if input string is empty
+function exit_if_empty {
+    local inputString="$1"
+    local errorMessage="$2"
+
+    if [ -z "$inputString" ]; then
+        exit_with_error "$errorMessage"
+    fi
+}
+
+# Cross builds corefx using Docker image
+function cross_build_native_with_docker {
+    __currentWorkingDirectory=`pwd`
+
+    # choose Docker image
+    __dockerImage="ubuntu-16.04-cross-arm64-a3ae44b-20180315221921"
+    __dockerEnvironmentVariables="-e ROOTFS_DIR=/crossrootfs/arm64"
+
+    __dockerCmd="docker run ${__dockerEnvironmentVariables} -i --rm -v $__currentWorkingDirectory:/opt/code -w /opt/code $__dockerImage"
+
+    # Cross building corefx with rootfs in Docker
+    __buildNativeCmd="./build-native.sh -buildArch=arm64 -$__buildConfig -- cross"
+
+    $__dockerCmd $__buildNativeCmd
+    sudo chown -R $(id -u -n) ./bin
+}
+
+__buildConfig=
+for arg in "$@"
+do
+    case $arg in
+        --buildConfig=*)
+            __buildConfig="$(echo ${arg#*=} | awk '{print tolower($0)}')"
+            if [[ "$__buildConfig" != "debug" && "$__buildConfig" != "release" ]]; then
+                exit_with_error "--buildConfig can be only Debug or Release"
+            fi
+            ;;
+        *)
+            ;;
+    esac
+done
+
+set -x
+set -e
+
+exit_if_empty "$__buildConfig" "--buildConfig is a mandatory argument, not provided"
+
+#Complete the cross build
+(set +x; echo 'Building corefx...')
+cross_build_native_with_docker
+
+(set +x; echo 'Build complete')
diff --git a/netci.groovy b/netci.groovy
index c741fcf3d4b3..0e68f957702a 100644
--- a/netci.groovy
+++ b/netci.groovy
@@ -345,6 +345,61 @@ def targetGroupOsMapInnerloop = ['netcoreapp': ['Windows_NT', 'Ubuntu14.04', 'Ub
     } // targetGroup
 } // isPR
 
+// **************************
+// Define Linux ARM64 cross builds. These jobs run on every merge.
+// Some jobs run on every PR. The ones that don't run per PR can be requested via a phrase.
+// **************************
+[true, false].each { isPR ->
+    ['netcoreapp'].each { targetGroup ->
+        ['Debug', 'Release'].each { configurationGroup ->
+            def osGroup = "Linux"
+            def osName = 'Ubuntu16.04'
+
+            def newJobName = "${osName.toLowerCase()}_arm64_cross_${configurationGroup.toLowerCase()}"
+
+            def newJob = job(Utilities.getFullJobName(project, newJobName, isPR)) {
+                steps {
+                    // Call the arm64_ci_script.sh script to perform the cross build of native corefx
+                    def script = "./cross/arm64_ci_script.sh --buildConfig=${configurationGroup.toLowerCase()}"
+                    shell(script)
+
+                    // Tar up the appropriate bits.
+                    shell("tar -czf bin/build.tar.gz --directory=\"bin/runtime/${targetGroup}-${osGroup}-${configurationGroup}-arm64\" .")
+                }
+            }
+
+            // The cross build jobs run on Ubuntu. The arm-cross-latest version
+            // contains the packages needed for cross building corefx
+            Utilities.setMachineAffinity(newJob, 'Ubuntu14.04', 'arm-cross-latest')
+
+            // Set up standard options.
+            Utilities.standardJobSetup(newJob, project, isPR, "*/${branch}")
+
+            // Add archival for the built binaries
+            def archiveContents = "bin/build.tar.gz"
+            Utilities.addArchival(newJob, archiveContents)
+
+            newJob.with {
+                publishers {
+                    azureVMAgentPostBuildAction {
+                        agentPostBuildAction('Delete agent after build execution (when idle).')
+                    }
+                }
+            }
+
+            // Set up triggers
+            if (isPR) {
+                // We run Arm64 Debug and Linux Release as default PR builds
+                Utilities.addGithubPRTriggerForBranch(newJob, branch, "${osName} arm64 ${configurationGroup} Build")
+            }
+            else {
+                // Set a push trigger
+                Utilities.addGithubPushTrigger(newJob)
+            }
+        } // configurationGroup
+    } // targetGroup
+} // isPR
+
 // **************************
 // Define Linux x86 builds. These jobs run daily and results will be used for CoreCLR test
 // TODO: innerloop & outerloop testing & merge to general job generation routine