diff --git a/.github/workflows/ResInsightWithCache.yml b/.github/workflows/ResInsightWithCache.yml
new file mode 100644
index 0000000000..c265a47f22
--- /dev/null
+++ b/.github/workflows/ResInsightWithCache.yml
@@ -0,0 +1,189 @@
+name: ResInsight Build
+
+on: [push]
+
+env:
+  NINJA_VERSION: 1.9.0
+  BUILD_TYPE: Release
+  BUILDCACHE_VERSION: 0.18.0
+  BUILDCACHE_DIR: ${{ github.workspace }}/buildcache_dir
+
+jobs:
+  ResInsight-x64-buildcache:
+    runs-on: ${{ matrix.config.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+        - {
+            name: "Windows Latest MSVC",
+            os: windows-latest,
+            cc: "cl", cxx: "cl",
+            environment_script: "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Auxiliary/Build/vcvars64.bat",
+            vcpkg-response-file: vcpkg_x64-windows.txt,
+            vcpkg-triplet: x64-windows,
+            cmake-toolchain: 'vcpkg/scripts/buildsystems/vcpkg.cmake'
+          }
+        - {
+            name: "Ubuntu Latest GCC",
+            os: ubuntu-latest,
+            cc: "gcc", cxx: "g++",
+            vcpkg-response-file: vcpkg_x64-linux.txt,
+            vcpkg-triplet: x64-linux,
+            cmake-toolchain: 'vcpkg/scripts/buildsystems/vcpkg.cmake'
+          }
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+        with:
+          submodules: true
+      - name: Download Ninja
+        uses: seanmiddleditch/gha-setup-ninja@master
+        with:
+          version: ${{ env.NINJA_VERSION }}
+      - name: Download buildcache
+        id: buildcache-download
+        shell: cmake -P {0}
+        run: |
+          if ("${{ runner.os }}" STREQUAL "Windows")
+            set(buildcache_suffix "win-msvc.zip")
+          elseif ("${{ runner.os }}" STREQUAL "Linux")
+            set(buildcache_suffix "linux.zip")
+          endif()
+
+          set(buildcache_version $ENV{BUILDCACHE_VERSION})
+          set(buildcache_url "https://github.com/mbitsnbites/buildcache/releases/download/v${buildcache_version}/buildcache-${buildcache_suffix}")
+          file(DOWNLOAD "${buildcache_url}" ./buildcache.zip)
+          execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./buildcache.zip)
+
+          if (NOT "${{ runner.os }}" STREQUAL "Windows")
+            execute_process(
+              COMMAND chmod +x bin/buildcache
+            )
+          endif()
+          
+      - name: Prepare cache timestamp
+        id: cache_timestamp_string
+        shell: cmake -P {0}
+        run: |
+          string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
+          message("::set-output name=timestamp::${current_date}")
+      - name: Cache Buildcache
+        id: cache-buildcache
+        uses: actions/cache@v1
+        with:
+          path: ${{ env.BUILDCACHE_DIR }}
+          key: ${{ matrix.config.name }}-cache-${{ steps.cache_timestamp_string.outputs.timestamp }}
+      - name: Create Folder for buildcache
+        if: steps.cache-buildcache.outputs.cache-hit != 'true'
+        run: mkdir ${{ env.BUILDCACHE_DIR }}
+      - name: Add buildcache to system path
+        run: echo "::add-path::${{ github.workspace }}/bin"
+
+      - name: Cache Qt
+        id: cache-qt
+        uses: actions/cache@v1
+        with:
+          path: ../Qt
+          key: ${{ runner.os }}-QtCache
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v2
+        with:
+          version: 5.9.9
+          modules: qtscript 
+          cached: ${{ steps.cache-qt.outputs.cache-hit }}
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install grpcio-tools
+          pip install pytest
+      - name: Install Linux dependencies
+        if: "contains( matrix.config.os, 'ubuntu')"
+        run: sudo apt-get install libxkbcommon-x11-0 libgl1-mesa-dev mesa-common-dev libglfw3-dev libglu1-mesa-dev
+      - name: Cache vcpkg artifacts
+        uses: actions/cache@v1
+        with:
+          path: ${{ github.workspace }}/vcpkg/
+          # Ensure the cache is invalidated any time vcpkg version changes, or a different set of packages is being used.
+          key: ${{ hashFiles( format('{0}/{1}', github.workspace, matrix.config.vcpkg-response-file )) }}-${{ hashFiles('.git/modules/vcpkg/HEAD') }}-${{ runner.os }}
+      - name: Run vcpkg
+        uses: lukka/run-vcpkg@v1
+        id: runvcpkg
+        with:
+          vcpkgArguments: '@${{ github.workspace }}/${{ matrix.config.vcpkg-response-file }}'
+          vcpkgDirectory: '${{ github.workspace }}/vcpkg'
+      - name: Configure
+        shell: cmake -P {0}
+        run: |
+          set(ENV{CC} ${{ matrix.config.cc }})
+          set(ENV{CXX} ${{ matrix.config.cxx }})
+          if ("${{ runner.os }}" STREQUAL "Windows" AND NOT "x${{ matrix.config.environment_script }}" STREQUAL "x")
+            execute_process(
+              COMMAND "${{ matrix.config.environment_script }}" && set
+              OUTPUT_FILE environment_script_output.txt
+            )
+            file(STRINGS environment_script_output.txt output_lines)
+            foreach(line IN LISTS output_lines)
+              if (line MATCHES "^([a-zA-Z0-9_-]+)=(.*)$")
+                set(ENV{${CMAKE_MATCH_1}} "${CMAKE_MATCH_2}")
+              endif()
+            endforeach()
+          endif()
+          set(path_separator ":")
+          if ("${{ runner.os }}" STREQUAL "Windows")
+            set(path_separator ";")
+          endif()
+          set(ENV{PATH} "$ENV{GITHUB_WORKSPACE}${path_separator}$ENV{PATH}")
+          execute_process(
+            COMMAND cmake
+              -S .
+              -B cmakebuild
+              -D CMAKE_BUILD_TYPE=$ENV{BUILD_TYPE}
+              -D RESINSIGHT_INCLUDE_APPLICATION_UNIT_TESTS=true
+              -D RESINSIGHT_ENABLE_GRPC=true
+              -D RESINSIGHT_GRPC_PYTHON_EXECUTABLE=python
+              -D VCPKG_TARGET_TRIPLET=${{ matrix.config.vcpkg-triplet }}
+              -D CMAKE_TOOLCHAIN_FILE=${{ matrix.config.cmake-toolchain }}
+              -G Ninja
+            RESULT_VARIABLE result
+          )
+          if (NOT result EQUAL 0)
+            message(FATAL_ERROR "Bad exit status")
+          endif()
+      - name: Build
+        shell: cmake -P {0}
+        run: |
+          set(ENV{NINJA_STATUS} "[%f/%t %o/sec] ")
+          if ("${{ runner.os }}" STREQUAL "Windows" AND NOT "x${{ matrix.config.environment_script }}" STREQUAL "x")
+            file(STRINGS environment_script_output.txt output_lines)
+            foreach(line IN LISTS output_lines)
+              if (line MATCHES "^([a-zA-Z0-9_-]+)=(.*)$")
+                set(ENV{${CMAKE_MATCH_1}} "${CMAKE_MATCH_2}")
+              endif()
+            endforeach()
+          endif()
+          set(path_separator ":")
+          if ("${{ runner.os }}" STREQUAL "Windows")
+            set(path_separator ";")
+          endif()
+          execute_process(
+            COMMAND cmake --build cmakebuild
+            RESULT_VARIABLE result
+          )
+          if (NOT result EQUAL 0)
+            message(FATAL_ERROR "Bad exit status")
+          endif()
+
+      - name: Stats for buildcache
+        run: ${{ github.workspace }}/bin/buildcache -s
+
+      - name: (Windows) Run Unit Tests
+        if: contains( matrix.config.os, 'windows')  
+        shell: bash
+        run: |
+          cmakebuild/ApplicationCode/ResInsight --unittest
+      - name: (Linux) Run Unit Tests
+        if: "!contains( matrix.config.os, 'windows')"
+        shell: bash
+        run: |
+          cmakebuild/ApplicationCode/ResInsight --unittest