diff --git a/tests/test_automation/jenkins_rhea_cpu.sh b/tests/test_automation/jenkins_rhea_cpu.sh
index 1bafa24c2..f19cf4803 100755
--- a/tests/test_automation/jenkins_rhea_cpu.sh
+++ b/tests/test_automation/jenkins_rhea_cpu.sh
@@ -30,7 +30,15 @@ mkdir -p build
 
 cd build 
 
-cmake -DCMAKE_C_COMPILER="mpicc" -DCMAKE_CXX_COMPILER="mpicxx" -DBLAS_blas_LIBRARY="/usr/lib64/libblas.so.3" -DLAPACK_lapack_LIBRARY="/usr/lib64/atlas/liblapack.so.3" -DHDF5_INCLUDE_DIR="/sw/rhea/hdf5/1.8.11/rhel6.6_gnu4.8.2/include" ..
+cmake -DCMAKE_C_COMPILER="mpicc" -DCMAKE_CXX_COMPILER="mpicxx" -DBLAS_blas_LIBRARY="/usr/lib64/libblas.so.3" -DLAPACK_lapack_LIBRARY="/usr/lib64/atlas/liblapack.so.3" -DHDF5_INCLUDE_DIR="/sw/rhea/hdf5/1.8.11/rhel6.6_gnu4.8.2/include" .. 2>&1 | tee cmake.out
+
+# hacky way to check on cmake. works for now
+if ! ( grep -- '-- The C compiler identification is GNU 5.3.0' cmake.out && \
+       grep -- '-- The CXX compiler identification is GNU 5.3.0' cmake.out ) ;
+then
+  echo "compiler version mismatch. exiting."
+  exit 1
+fi
 
 make -j 24
 
diff --git a/tests/test_automation/jenkins_rhea_cpu_mixed.sh b/tests/test_automation/jenkins_rhea_cpu_mixed.sh
new file mode 100755
index 000000000..bbf4b63d0
--- /dev/null
+++ b/tests/test_automation/jenkins_rhea_cpu_mixed.sh
@@ -0,0 +1,72 @@
+#!/bin/bash -x
+
+BUILD_DIR=$(pwd)
+echo $BUILD_DIR
+
+cat > $BUILD_TAG.pbs << EOF
+#PBS -A MAT151
+#PBS -N $BUILD_TAG
+#PBS -j oe
+#PBS -l walltime=1:00:00,nodes=1
+#PBS -d $BUILD_DIR
+#PBS -l partition=rhea
+
+cd $BUILD_DIR
+
+source /sw/rhea/environment-modules/3.2.10/rhel6.7_gnu4.4.7/init/bash
+
+module unload PE-intel 
+module load PE-gnu/5.3.0-1.10.2
+module load fftw
+export FFTW_HOME=\$FFTW3_DIR
+module load hdf5
+module load git
+
+env
+
+module list
+
+mkdir -p build
+
+cd build 
+
+cmake -DQMC_MIXED_PRECISION=1 -DCMAKE_C_COMPILER="mpicc" -DCMAKE_CXX_COMPILER="mpicxx" -DBLAS_blas_LIBRARY="/usr/lib64/libblas.so.3" -DLAPACK_lapack_LIBRARY="/usr/lib64/atlas/liblapack.so.3" -DHDF5_INCLUDE_DIR="/sw/rhea/hdf5/1.8.11/rhel6.6_gnu4.8.2/include" .. 2>&1 | tee cmake.out
+
+# hacky way to check on cmake. works for now
+if ! ( grep -- '-- The C compiler identification is GNU 5.3.0' cmake.out && \
+       grep -- '-- The CXX compiler identification is GNU 5.3.0' cmake.out ) ;
+then
+  echo "compiler version mismatch. exiting."
+  exit 1
+fi
+
+if ! ( grep 'Base precision = float' cmake.out ) ;
+then
+  echo "mixed precision not enabled. exiting."
+  exit 1
+fi
+
+make -j 24
+
+ctest -L unit
+#ctest -R short-LiH_dimer_ae-vmc_hf_noj-16-1
+
+EOF
+
+cp $BUILD_TAG.pbs $BUILD_DIR
+
+cd $BUILD_DIR
+
+source scl_source enable rh-python35
+which python 
+
+$BUILD_DIR/../../../scripts/blocking_qsub.py $BUILD_DIR $BUILD_TAG.pbs
+
+## this end of job logic could probably be more elegant
+## hacks to get us going
+
+cp $BUILD_DIR/$BUILD_TAG.o* ../
+
+# explicitly check for correct test output
+
+grep '100% tests passed, 0 tests failed out of [0-9]*' ../$BUILD_TAG.o*
diff --git a/tests/test_automation/jenkins_rhea_gpu.sh b/tests/test_automation/jenkins_rhea_gpu.sh
index 28ff0b3f7..2f3fea719 100755
--- a/tests/test_automation/jenkins_rhea_gpu.sh
+++ b/tests/test_automation/jenkins_rhea_gpu.sh
@@ -31,7 +31,15 @@ mkdir -p build
 
 cd build 
 
-cmake -DCMAKE_C_COMPILER="mpicc" -DCMAKE_CXX_COMPILER="mpicxx" -DCMAKE_CXX_FLAGS="-mno-bmi2 -mno-avx2" -DCMAKE_C_FLAGS="-mno-bmi2 -mno-avx2" -DBLAS_blas_LIBRARY="/usr/lib64/libblas.so.3" -DLAPACK_lapack_LIBRARY="/usr/lib64/atlas/liblapack.so.3" -DHDF5_INCLUDE_DIR="/sw/rhea/hdf5/1.8.11/rhel6.6_intel14.0.4/include" -DQMC_CUDA=1 ..
+cmake -DCMAKE_C_COMPILER="mpicc" -DCMAKE_CXX_COMPILER="mpicxx" -DCMAKE_CXX_FLAGS="-mno-bmi2 -mno-avx2" -DCMAKE_C_FLAGS="-mno-bmi2 -mno-avx2" -DBLAS_blas_LIBRARY="/usr/lib64/libblas.so.3" -DLAPACK_lapack_LIBRARY="/usr/lib64/atlas/liblapack.so.3" -DHDF5_INCLUDE_DIR="/sw/rhea/hdf5/1.8.11/rhel6.6_intel14.0.4/include" -DQMC_CUDA=1 .. 2>&1 | tee cmake.out
+
+# hacky way to check on cmake. works for now
+if ! ( grep -- '-- The C compiler identification is GNU 5.3.0' cmake.out && \
+       grep -- '-- The CXX compiler identification is GNU 5.3.0' cmake.out ) ;
+then
+  echo "compiler version mismatch. exiting."
+  exit 1
+fi
 
 # because Andreas tells me (and I observe) that GPU builds are unstable with Cmake
 make -j 1