diff --git a/contrib/teamcity/build-configurations.json b/contrib/teamcity/build-configurations.json
--- a/contrib/teamcity/build-configurations.json
+++ b/contrib/teamcity/build-configurations.json
@@ -16,6 +16,13 @@
                 "src/seeder/test/*.log": "log/seeder",
                 "test/tmp/*": "functional"
             }
+        },
+        "gitian_builds": {
+            "script": "gitian.sh",
+            "timeout": 7200,
+            "artifacts": {
+                "gitian-results": ""
+            }
         }
     },
     "builds": {
@@ -193,6 +200,24 @@
             "script": "builds/check-seeds.sh",
             "template": "common_unix_artifacts",
             "timeout": 600
+        },
+        "gitian-linux": {
+            "template": "gitian_builds",
+            "environment": {
+                "OS_NAME": "linux"
+            }
+        },
+        "gitian-osx": {
+            "template": "gitian_builds",
+            "environment": {
+                "OS_NAME": "osx"
+            }
+        },
+        "gitian-win": {
+            "template": "gitian_builds",
+            "environment": {
+                "OS_NAME": "win"
+            }
         }
     }
 }
diff --git a/contrib/teamcity/build-configurations.py b/contrib/teamcity/build-configurations.py
--- a/contrib/teamcity/build-configurations.py
+++ b/contrib/teamcity/build-configurations.py
@@ -88,7 +88,7 @@
             templates.get(template_name, {}), build)
 
         # Make sure there is a script file associated with the build...
-        script = build.get("script", None)
+        script = self.config.get("script", None)
         if script is None:
             raise AssertionError(
                 "No script provided for the build {}".format(
diff --git a/contrib/teamcity/gitian.sh b/contrib/teamcity/gitian.sh
--- a/contrib/teamcity/gitian.sh
+++ b/contrib/teamcity/gitian.sh
@@ -4,12 +4,12 @@
 
 set -euxo pipefail
 
-cd "$(dirname "$0")"
+: "${TOPLEVEL:=$(git rev-parse --show-toplevel)}"
+: "${BUILD_DIR:=${TOPLEVEL}/build}"
+: "${THREADS:=$(nproc || sysctl -n hw.ncpu)}"
 
-COMMIT=$(git rev-parse HEAD)
+COMMIT=$(git -C "${TOPLEVEL}" rev-parse HEAD)
 export COMMIT
-PROJECT_ROOT=$(git rev-parse --show-toplevel)
-export PROJECT_ROOT
 export USE_LXC=1
 export GITIAN_HOST_IP=10.0.3.1
 export LXC_BRIDGE=lxcbr0
@@ -30,10 +30,7 @@
   popd
 fi
 
-## Determine the number of build threads
-THREADS=$(nproc || sysctl -n hw.ncpu)
-
-RESULT_DIR="${PROJECT_ROOT}/gitian-results"
+RESULT_DIR="${BUILD_DIR}/gitian-results"
 OS_DIR="${RESULT_DIR}/${OS_NAME}"
 mkdir -p "${OS_DIR}"
 
@@ -43,7 +40,7 @@
 }
 trap "move_log" ERR
 
-./bin/gbuild -j${THREADS} -m3500 --commit bitcoin=${COMMIT} --url bitcoin="${PROJECT_ROOT}" "${PROJECT_ROOT}/contrib/gitian-descriptors/gitian-${OS_NAME}.yml"
+./bin/gbuild -j${THREADS} -m3500 --commit bitcoin=${COMMIT} --url bitcoin="${TOPLEVEL}" "${TOPLEVEL}/contrib/gitian-descriptors/gitian-${OS_NAME}.yml"
 
 move_log
 mv result/*.yml "${OS_DIR}/"