diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -583,6 +583,17 @@
                                                             extra_cmake_args=["-DLLVM_ENABLE_ASSERTIONS=ON"]),
          'category' : 'clang'},
 
+        {'name' : "clang-sparc64-linux-multistage",
+         'slavenames' : ["debian-stadler-sparc64"],
+         'builddir' : "clang-sparc64-linux-multistage",
+         'factory' : ClangBuilder.getClangCMakeBuildFactory(clean=False,
+                                                            checkout_lld=False,
+                                                            useTwoStage=True,
+                                                            stage1_config='Release',
+                                                            stage2_config='Release',
+                                                            extra_cmake_args=['-DLLVM_ENABLE_ASSERTIONS=ON']),
+         'category' : 'clang'},
+
         # ABI test-suite with CMake builder
         {'name'          : "clang-x86_64-linux-abi-test",
          'mergeRequests' : False,
diff --git a/buildbot/osuosl/master/config/slaves.py b/buildbot/osuosl/master/config/slaves.py
--- a/buildbot/osuosl/master/config/slaves.py
+++ b/buildbot/osuosl/master/config/slaves.py
@@ -81,6 +81,9 @@
         create_slave("ppc64le-clang-rhel-test", properties={'jobs': 4}, max_builds=1),
         create_slave("ppc64le-flang+mlir-rhel-test", max_builds=1),
 
+        # SPARC 64-bit big endian (sparc64)
+        create_slave("debian-stadler-sparc64", properties={'jobs': 4}, max_builds=1),
+
         # Ubuntu x86-64, Intel(R) Xeon(R) CPU E5-2680 0 @ 2.70GHz
         create_slave("hexagon-build-02", properties={'jobs': 12, 'loadaverage': 32},
             max_builds=1),