diff --git a/build_tsmp2.sh b/build_tsmp2.sh
index 9d07bc3..1002637 100755
--- a/build_tsmp2.sh
+++ b/build_tsmp2.sh
@@ -36,7 +36,7 @@ function help_tsmp2() {
   echo "  --OASIS_SRC      Set OASIS3-MCT directory"
   echo "  --PDAF_SRC       Set PDAF_SRC directory"
   echo "  --no_update      Skip component model download"
-  echo "  --build_type     Set build configuration: 'DEBUG' 'RELEASE'"
+  echo "  --build_type     Set build configuration: 'DEBUG', 'RELEASE', or 'PROFILE'"
   echo "  --build_dir      Set build dir cmake, if not set bld/<SYSTEMNAME>_<model-id> is used. Build artifacts will be generated in this folder."
   echo "  --install_dir    Set install dir cmake, if not set bin/<SYSTEMNAME>_<model-id> is used. Model executables and libraries will be installed here"
   echo "  --clean_first    Delete build_dir if it already exists"
@@ -207,8 +207,19 @@ if [ "${update_compsrc}" != n ]; then
   dwn_compsrc clm35 clm35_src "CLM3.5"
 fi
 
+# 2. Determine build configuration
+if [[ -z "$build_type" ]];then
+   build_type="RELEASE"
+fi
+if [[ ${build_type^^} == "DEBUG" || ${build_type^^} == "RELEASE" || ${build_type^^} == "PROFILE" ]]; then
+   cmake_build_type="${build_type^^}"
+else
+   echo "ABORT: Unsupported build_type=${build_type}"
+   exit 1
+fi
+
 #
-# 2. Source environment file
+# 3. Source environment file
 #
 
 if [[ ! -z "${env}" ]]; then
@@ -230,15 +241,23 @@ if [[ ! -f "${env}" ]]; then
   exit 1
 fi
 
+
 if [[ -n "${env}" ]]; then
   message "Sourcing environment..."
 
-  # TODO: Fix this GPU thing on another PR
+  # TODO: Env file parameterization is temporary and should be fixed
   if [[ "$parflowGPU" == "y" ]];then
-    source "${env}" --parflowgpu
-  else
-    source "${env}"
+    env_gpu_params="--parflowgpu"
+  fi
+  if [[ ${build_type^^} == "PROFILE" ]];then
+    env_profile_params="--profile"
+    if [[ ":${TSMP2_ENV_FILE}:" != *"jsc.2026.gnu.openmpi"* ]]; then 
+      message "ERROR: Profiling builds are only currently supported on jsc.2026.gnu.openmpi."
+      exit 1
+    fi
   fi
+  message "SOURCE command: source ${env} ${env_gpu_params} ${env_profile_params}"
+  source "${env}" ${env_gpu_params} ${env_profile_params}
 fi
 
 # TSMP2_ENV_FILE should be set either (1) through --env, (2) as a shell variable,
@@ -249,9 +268,14 @@ if [[ -z "${TSMP2_ENV_FILE}" ]]; then
 fi
 
 #
-# 3. Set CMake build directory
+# 4. Set CMake build directory
 #
-BUILD_ID="${SYSTEMNAME^^}_${model_id}"
+if [[ ${build_type^^} == "RELEASE" ]]; then
+  BUILD_ID="${SYSTEMNAME^^}_${model_id}"
+else
+  BUILD_ID="${SYSTEMNAME^^}_${build_type^^}_${model_id}"
+fi
+
 if [[ -z "${build_dir}" ]]; then
   cmake_build_dir="${cmake_tsmp2_dir}/bld/${BUILD_ID}"
 else
@@ -293,18 +317,9 @@ fi
 build_log="$(dirname ${cmake_build_dir})/${BUILD_ID}_$(date +%Y-%m-%d_%H-%M).log"
 
 #
-# 4. Set the rest of the CMake options
+# 5. Set the rest of the CMake options
 #
 message "Setting CMAKE options..."
-if [[ -z "$build_type" ]];then
-   build_type="RELEASE"
-fi
-if [[ ${build_type^^} == "DEBUG" || ${build_type^^} == "RELEASE" ]]; then
-   cmake_build_type="${build_type^^}"
-else
-   echo "ABORT: Unsupported build_type=${build_type}"
-   exit 1
-fi
 
 if [ -z "${verbose_makefile}" ]; then
   cmake_verbose_makefile="OFF"
@@ -320,7 +335,7 @@ fi
 mkdir -p "${cmake_install_dir}"
 
 #
-# 5. CMake configure
+# 6. CMake configure
 #
 message ""
 message "===================="
@@ -344,7 +359,7 @@ cmake ${cmake_conf} |& tee -a "${build_log}"
 message "== CMAKE GENERATE PROJECT finished"
 
 #
-# 6. CMake build and install
+# 7. CMake build and install
 #
 message "CMAKE build:"
 message "cmake --build ${cmake_build_dir} |& tee -a $build_log"
@@ -359,7 +374,7 @@ cmake --install ${cmake_build_dir} |& tee -a $build_log
 message "== CMAKE INSTALL finished"
 
 #
-# 7. Post-installation steps
+# 8. Post-installation steps
 #
 message "Copying build log and environment file to ${cmake_install_dir}..."
 if [[ -n "${env}" ]]; then
diff --git a/cmake/BuildOASIS3MCT.cmake b/cmake/BuildOASIS3MCT.cmake
index c66840f..f71ec29 100644
--- a/cmake/BuildOASIS3MCT.cmake
+++ b/cmake/BuildOASIS3MCT.cmake
@@ -4,7 +4,7 @@ find_package(OpenMP REQUIRED)
 if (CMAKE_BUILD_TYPE STREQUAL "DEBUG")
   set(OPTIM "-g")
   set(MCT_DEBUGFLAG "--enable-debugging")
-elseif (CMAKE_BUILD_TYPE STREQUAL "RELEASE")
+elseif (CMAKE_BUILD_TYPE STREQUAL "RELEASE" OR CMAKE_BUILD_TYPE STREQUAL "PROFILE")
   set(OPTIM "-O2")
   set(MCT_DEBUGFLAG "")
 else()
diff --git a/cmake/BuildParFlow.cmake b/cmake/BuildParFlow.cmake
index 8171145..f0c9eb8 100644
--- a/cmake/BuildParFlow.cmake
+++ b/cmake/BuildParFlow.cmake
@@ -41,7 +41,10 @@ endif()
 # Set compiler flags
 if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
     # Flags were based from https://github.com/parflow/parflow/blob/c8aa8d7140db19153194728b8fa9136b95177b6d/.github/workflows/linux.yml#L486
-    set(PF_CFLAGS "-Wall -Werror -Wno-unused-result -Wno-unused-function -Wno-stringop-overread")
+    set(PF_CFLAGS "-Wall -Wno-unused-result -Wno-unused-function -Wno-stringop-overread")
+    if (NOT CMAKE_BUILD_TYPE STREQUAL "PROFILE")
+      string(APPEND PF_CFLAGS " -Werror") #compile warnings not ignored for DEBUG and RELEASE builds
+    endif()
     if(${PDAF})
       # parflow-pdaf fork currently ignores unused variables
       string(APPEND PF_CFLAGS " -Wno-unused-variable")
@@ -75,14 +78,25 @@ if (DEFINED ENV{SUNDIALS_ROOT} AND NOT ${PDAF})
     set(PF_SUNDIALS_FLAG "-DSUNDIALS_ROOT=$ENV{SUNDIALS_ROOT}")
 endif()
 
+# Profiling build (Experimental)
+if (CMAKE_BUILD_TYPE STREQUAL "PROFILE")
+  set(PF_C_COMPILER $ENV{TSMP2_PROFILE_CC})
+  set(PF_CXX_COMPILER $ENV{TSMP2_PROFILE_CXX})
+  set(PF_Fortran_COMPILER $ENV{TSMP2_PROFILE_FC})
+else()
+  set(PF_C_COMPILER ${CMAKE_C_COMPILER})
+  set(PF_CXX_COMPILER ${CMAKE_CXX_COMPILER})
+  set(PF_Fortran_COMPILER ${CMAKE_Fortran_COMPILER})
+endif()
+
 # Pass options to ParFlow CMake
 ExternalProject_Add(ParFlow
     PREFIX      ParFlow
     SOURCE_DIR  ${PARFLOW_SRC}
-    CMAKE_ARGS  -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+    CMAKE_ARGS  -DCMAKE_C_COMPILER=${PF_C_COMPILER}
                 -DCMAKE_C_FLAGS=${PF_CFLAGS}
-                -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-                -DCMAKE_Fortran_COMPILER=${CMAKE_Fortran_COMPILER}
+		-DCMAKE_CXX_COMPILER=${PF_CXX_COMPILER}
+		-DCMAKE_Fortran_COMPILER=${PF_Fortran_COMPILER}
                 -DCMAKE_Fortran_FLAGS=${PF_FFLAGS}
                 -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
                 -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
diff --git a/cmake/BuildeCLM.cmake b/cmake/BuildeCLM.cmake
index 42f0f64..f54c7d3 100644
--- a/cmake/BuildeCLM.cmake
+++ b/cmake/BuildeCLM.cmake
@@ -14,12 +14,21 @@ if(${PDAF})
   list(APPEND PDAF_FLAGS  -DUSE_PDAF=True)
 endif()
 
+# Experimental
+if (CMAKE_BUILD_TYPE STREQUAL "PROFILE")
+  set(eCLM_C_COMPILER $ENV{TSMP2_PROFILE_CC})
+  set(eCLM_Fortran_COMPILER $ENV{TSMP2_PROFILE_FC})
+else()
+  set(eCLM_C_COMPILER ${CMAKE_C_COMPILER})
+  set(eCLM_Fortran_COMPILER ${CMAKE_Fortran_COMPILER})
+endif()
+
 ExternalProject_Add(eCLM
     PREFIX            eCLM
     SOURCE_DIR        ${eCLM_SRC}
     SOURCE_SUBDIR     src
-    CMAKE_ARGS        -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-                      -DCMAKE_Fortran_COMPILER=${CMAKE_Fortran_COMPILER}
+    CMAKE_ARGS        -DCMAKE_C_COMPILER=${eCLM_C_COMPILER}
+                      -DCMAKE_Fortran_COMPILER=${eCLM_Fortran_COMPILER}
                       -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
                       -DCMAKE_PREFIX_PATH=${OASIS_ROOT}
                       -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
diff --git a/env/jsc.2026.gnu.openmpi b/env/jsc.2026.gnu.openmpi
index d006c93..9b472ab 100644
--- a/env/jsc.2026.gnu.openmpi
+++ b/env/jsc.2026.gnu.openmpi
@@ -52,6 +52,12 @@ fi
 module load ecCodes
 
 # Set default MPI compilers
+if [[ "$1" == "--profile" || "$2" == "--profile" ]]; then
+  module load Scalasca
+  export TSMP2_PROFILE_CC=$(which scorep-mpicc)
+  export TSMP2_PROFILE_FC=$(which scorep-mpif90)
+  export TSMP2_PROFILE_CXX=$(which scorep-mpicxx)
+fi
 export CC=mpicc
 export FC=mpif90
 export CXX=mpicxx
@@ -64,14 +70,17 @@ export SUNDIALS_ROOT=$EBROOTSUNDIALS
 # Display compiler settings
 module list
 echo "=============== COMPILER SETTINGS  ===============" 
-echo "   Machine: ${SYSTEMNAME} on Stages/$STAGE"
-echo "   MPI lib: OpenMPI v$EBVERSIONOPENMPI"
-echo "         C: $($CC --version | head -n 1)"
-echo "       C++: $($CXX --version | head -n 1)"
-echo "   Fortran: $($FC --version | head -n 1)"
+echo "    Machine: ${SYSTEMNAME} on Stages/$STAGE"
+echo "    MPI lib: OpenMPI v$EBVERSIONOPENMPI"
+echo "          C: ${CC} (GCC ${EBVERSIONGCCCORE})"
+echo "        C++: ${CXX} (GCC ${EBVERSIONGCCCORE})"
+echo "    Fortran: ${FC} (GCC ${EBVERSIONGCCCORE})"
 if [[ "$1" == "--parflowgpu" ]]; then
-  echo "      nvcc: $(nvcc --version | tail -n 1 | cut -d" " -f2)"
-  echo " CUDAARCHS: $CUDAARCHS"
+  echo "       nvcc: $(nvcc --version | tail -n 1 | cut -d" " -f2)"
+  echo "  CUDAARCHS: $CUDAARCHS"
+fi
+if [[ "$1" == "--profile" || "$2" == "--profile" ]]; then
+  echo "   Profiler: Scalasca v${EBVERSIONSCALASCA}"
 fi
 echo "=================================================="
 echo ""