diff --git a/transformer_engine/common/ck_fused_attn/CMakeLists.txt b/transformer_engine/common/ck_fused_attn/CMakeLists.txt
index 1c61596c0..beae0e9ce 100644
--- a/transformer_engine/common/ck_fused_attn/CMakeLists.txt
+++ b/transformer_engine/common/ck_fused_attn/CMakeLists.txt
@@ -32,8 +32,8 @@ message(STATUS "AITER V3_ASM_ARCHS: ${V3_ASM_ARCHS}")
 list(JOIN V3_ASM_ARCHS ";" V3_ASM_ARCHS_STR)
 
 if(DEFINED AITER_MHA_PATH)
-  message(STATUS "[AITER-PREBUILT] Using AITER_MHA_PATH=${AITER_MHA_PATH}")
-  # use pre-built libmha_fwd.so libmha_bwd.so
+  message(STATUS "[AITER-BUILD] Using AITER_MHA_PATH=${AITER_MHA_PATH}")
+  # use pre-built libraries
   set(__AITER_MHA_PATH ${AITER_MHA_PATH})
 else()
   set(AITER_CACHE_VALID FALSE)
@@ -46,10 +46,17 @@ else()
   if(NOT AITER_CACHE_VALID)
     # Try downloading prebuilt files if NVTE_AITER_PREBUILT_BASE_URL is set.
     download_aiter_prebuilt(AITER_PREBUILT_DOWNLOAD_SUCCESS)
+    if(AITER_PREBUILT_DOWNLOAD_SUCCESS)
+      is_aiter_cache_valid(AITER_DOWNLOAD_CACHE_VALID)
+      if(NOT AITER_DOWNLOAD_CACHE_VALID)
+        message(STATUS "[AITER-PREBUILT] Downloaded prebuilt cache invalid.")
+        set(AITER_PREBUILT_DOWNLOAD_SUCCESS FALSE)
+      endif()
+    endif()
     
     # If not downloaded, Fallback: Build from source
     if(NOT AITER_PREBUILT_DOWNLOAD_SUCCESS)
-      message(STATUS " [AITER-PREBUILT] Building aiter from source.")
+      message(STATUS " [AITER-BUILD] Building aiter from source.")
       execute_process(
         COMMAND bash ${CMAKE_CURRENT_LIST_DIR}/aiter_build.sh
                 --aiter-dir ${__AITER_SOURCE_DIR}
@@ -62,7 +69,7 @@ else()
     endif()
   endif()
   set(__AITER_MHA_PATH "${EXTRACT_DIR}")
-  message(STATUS "[AITER-PREBUILT] Using __AITER_MHA_PATH=${__AITER_MHA_PATH}")
+  message(STATUS "[AITER-BUILD] Using __AITER_MHA_PATH=${__AITER_MHA_PATH}")
 endif()
 
 set(ck_fused_attn_SOURCES)
@@ -108,12 +115,15 @@ endif()
 target_include_directories(ck_fused_attn PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")
 target_include_directories(ck_fused_attn PRIVATE ${CK_INCLUDE_DIR} ${__CK_SOURCE_DIR}/example/ck_tile/01_fmha)
 target_include_directories(ck_fused_attn PRIVATE ${AITER_INCLUDE_DIR})
+target_link_options(ck_fused_attn PRIVATE -Wl,--exclude-libs,ALL)
 
+set(__AITER_MHA_FWD_LIB "${__AITER_MHA_PATH}/libmha_fwd.a")
+set(__AITER_MHA_BWD_LIB "${__AITER_MHA_PATH}/libmha_bwd.a")
 find_package(hip)
-list(APPEND ck_fused_attn_LINKER_LIBS hip::host hip::device roctx64 ${__AITER_MHA_PATH}/libmha_fwd.so ${__AITER_MHA_PATH}/libmha_bwd.so)
+list(APPEND ck_fused_attn_LINKER_LIBS hip::host hip::device roctx64 ${__AITER_MHA_FWD_LIB} ${__AITER_MHA_BWD_LIB})
+
 target_link_libraries(ck_fused_attn PUBLIC ${ck_fused_attn_LINKER_LIBS})
 target_compile_options(ck_fused_attn PRIVATE ${CK_FUSED_ATTN_COMPILE_OPTIONS})
 set_target_properties(ck_fused_attn PROPERTIES INSTALL_RPATH "$ORIGIN")
 
-install(FILES ${__AITER_MHA_PATH}/libmha_fwd.so ${__AITER_MHA_PATH}/libmha_bwd.so DESTINATION ${CMAKE_INSTALL_PREFIX}/${AITER_MHA_INSTALL_PREFIX}/lib)
 install(TARGETS ck_fused_attn DESTINATION ${CMAKE_INSTALL_PREFIX}/${AITER_MHA_INSTALL_PREFIX}/lib)
diff --git a/transformer_engine/common/ck_fused_attn/aiter_build.sh b/transformer_engine/common/ck_fused_attn/aiter_build.sh
index 3ccf2979c..ec3b71071 100644
--- a/transformer_engine/common/ck_fused_attn/aiter_build.sh
+++ b/transformer_engine/common/ck_fused_attn/aiter_build.sh
@@ -32,7 +32,7 @@ while [[ $# -gt 0 ]]; do
 done
 
 if [[ -z "${AITER_DIR}" || -z "${AITER_TEST_DIR}" || -z "${GPU_ARCHS_VAL}" ]]; then
-  echo "[AITER-PREBUILT] --aiter-dir, --aiter-test-dir, and --gpu-archs are required." >&2
+  echo "[AITER-BUILD] --aiter-dir, --aiter-test-dir, and --gpu-archs are required." >&2
   exit 1
 fi
 
@@ -42,3 +42,48 @@ CK_TILE_FLOAT_TO_BFLOAT16_DEFAULT="${CK_TILE_BF16_DEFAULT}" \
 GPU_ARCHS="${GPU_ARCHS_VAL}" \
 python3 "${AITER_TEST_DIR}/compile.py"
 
+# Generate static archives from the built object files only if NVTE_AITER_STATIC_LINK=1
+if [[ "${NVTE_AITER_STATIC_LINK:-1}" -ne 1 ]]; then
+  exit 0
+fi
+
+# Check for ar and ranlib
+AR_BIN="${AR:-$(command -v ar || true)}"
+RANLIB_BIN="${RANLIB:-$(command -v ranlib || true)}"
+if [[ -z "${AR_BIN}" ]]; then
+  echo "[AITER-BUILD] Could not find ar for static archive generation." >&2
+  exit 1
+fi
+if [[ -z "${RANLIB_BIN}" ]]; then
+  echo "[AITER-BUILD] Could not find ranlib for static archive generation." >&2
+  exit 1
+fi
+
+# Create static archives for both forward and backward passes
+for lib in fwd bwd; do
+  src_obj_dir="${AITER_DIR}/aiter/jit/build/libmha_${lib}/build"
+  out_archive="${AITER_TEST_DIR}/libmha_${lib}.a"
+
+  if [[ ! -d "${src_obj_dir}" ]]; then
+    echo "[AITER-BUILD] Missing object directory: ${src_obj_dir}" >&2
+    exit 1
+  fi
+
+  mapfile -d '' obj_files < <(find "${src_obj_dir}" -type f -name '*.o' -print0)
+  if [[ ${#obj_files[@]} -eq 0 ]]; then
+    echo "[AITER-BUILD] No object files found under ${src_obj_dir}" >&2
+    exit 1
+  fi
+
+  total_objs=${#obj_files[@]}
+
+  rm -f "${out_archive}"
+  "${AR_BIN}" q "${out_archive}" "${obj_files[@]}"
+
+  if [[ -n "${RANLIB_BIN}" ]]; then
+    "${RANLIB_BIN}" "${out_archive}"
+  fi
+
+  echo "[AITER-BUILD] Created static archive: ${out_archive} (${#obj_files[@]} objects)"
+done
+
diff --git a/transformer_engine/common/ck_fused_attn/aiter_prebuilt.cmake b/transformer_engine/common/ck_fused_attn/aiter_prebuilt.cmake
index a59605e00..6aa7a9d47 100644
--- a/transformer_engine/common/ck_fused_attn/aiter_prebuilt.cmake
+++ b/transformer_engine/common/ck_fused_attn/aiter_prebuilt.cmake
@@ -29,14 +29,20 @@ set(EXTRACT_DIR "${CACHE_ROOT}/${KEY}")
 
 # Validate existing cache path
 function(is_aiter_cache_valid CACHE_VALID)
-  if(EXISTS "${EXTRACT_DIR}/libmha_fwd.so" AND EXISTS "${EXTRACT_DIR}/libmha_bwd.so")
+  set(_AITER_CACHE_VALID TRUE)
+
+  if(NOT (EXISTS "${EXTRACT_DIR}/libmha_fwd.a" AND EXISTS "${EXTRACT_DIR}/libmha_bwd.a"))
+    set(_AITER_CACHE_VALID FALSE)
+  endif()
+
+  if(_AITER_CACHE_VALID)
     set(${CACHE_VALID} TRUE PARENT_SCOPE)
     message(STATUS "[AITER-PREBUILT] Found Cached build files at ${EXTRACT_DIR}")
     return()
   endif()
 
   # Cache is invalid/outdated - clean it
-  file(REMOVE_RECURSE "${CACHE_ROOT}")
+  file(REMOVE_RECURSE "${EXTRACT_DIR}")
   file(REMOVE_RECURSE "${CMAKE_BINARY_DIR}/_deps")
 endfunction()
 
@@ -44,7 +50,10 @@ endfunction()
 function(cache_local_aiter_build SOURCE_DIR)
   file(MAKE_DIRECTORY "${EXTRACT_DIR}")
   message(STATUS "[AITER-PREBUILT] Caching locally built libs to ${EXTRACT_DIR}")
-  file(COPY "${SOURCE_DIR}/libmha_fwd.so" "${SOURCE_DIR}/libmha_bwd.so" DESTINATION "${EXTRACT_DIR}")
+  if(NOT EXISTS "${SOURCE_DIR}/libmha_fwd.a" OR NOT EXISTS "${SOURCE_DIR}/libmha_bwd.a")
+    message(FATAL_ERROR "Expected libmha_fwd.a and libmha_bwd.a under ${SOURCE_DIR}")
+  endif()
+  file(COPY "${SOURCE_DIR}/libmha_fwd.a" "${SOURCE_DIR}/libmha_bwd.a" DESTINATION "${EXTRACT_DIR}")
 endfunction()
 
 # Download prebuilt tgz file