diff --git a/Golden_Repo/s/simgrid/simgrid-3.35-GCCcore-11.3.0.eb b/Golden_Repo/s/simgrid/simgrid-3.35-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..1ff965befaf2fb8be2a7e7d5eb27344b3f42293b
--- /dev/null
+++ b/Golden_Repo/s/simgrid/simgrid-3.35-GCCcore-11.3.0.eb
@@ -0,0 +1,38 @@
+# To build manually:
+# ml purge
+# export USERINSTALLATIONS=/p/project/deepsea/preliminary_SW
+# ml UserInstallations
+#
+# eb simgrid-xxxx.eb
+
+easyblock = 'CMakeMake'
+
+name = 'Simgrid'
+version = '3.35'
+
+homepage = 'https://simgrid.org/'
+description = "Framework for the simulation of distributed applications (Clouds, HPC, Grids, IoT and others)"
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+local_simgrid_archive_filename = f"simgrid_archive_{version}.tar.gz"
+
+sources = [{
+    'filename': local_simgrid_archive_filename,
+    'git_config': {
+        'url': 'git@gitlab.jsc.fz-juelich.de:deep-sea/wp5/software',
+        'repo_name': 'simgrid',
+        'tag': 'v' + version,
+        'recursive': False,
+        'keep_git_dir': True,
+    },
+}]
+
+checksums = ['f1aefab67294e9ad9dd6f354c65d881733c62cd96c58d874c7bd62f83507f935']
+
+
+builddependencies = [('Boost', '1.79.0'), ('CMake', '3.23.1')]
+
+configopts = ''
+
+moduleclass = 'tools'