diff --git a/src/fmu/sumo/sim2sumo/config_jobs/SIM2SUMO b/src/fmu/sumo/sim2sumo/config_jobs/SIM2SUMO_CONFIG_DEPRECATED
similarity index 100%
rename from src/fmu/sumo/sim2sumo/config_jobs/SIM2SUMO
rename to src/fmu/sumo/sim2sumo/config_jobs/SIM2SUMO_CONFIG_DEPRECATED
diff --git a/src/fmu/sumo/sim2sumo/forward_models/__init__.py b/src/fmu/sumo/sim2sumo/forward_models/__init__.py
new file mode 100644
index 00000000..4808c230
--- /dev/null
+++ b/src/fmu/sumo/sim2sumo/forward_models/__init__.py
@@ -0,0 +1,47 @@
+import subprocess
+from ert import (
+    ForwardModelStepJSON,
+    ForwardModelStepPlugin,
+    ForwardModelStepValidationError,
+)
+
+
+class Sim2Sumo(ForwardModelStepPlugin):
+    def __init__(self):
+        super().__init__(
+            name="SIM2SUMO",
+            command=[
+                "sim2sumo",
+                "--config_path",
+                "<S2S_CONF_PATH>",
+                "--env",
+                "<SUMO_ENV>",
+            ],
+            default_mapping={
+                "<S2S_CONF_PATH>": "fmuconfig/output/global_variables.yml",
+                "<SUMO_ENV>": "prod",
+            },
+            stderr_file="sim2sumo.stderr",
+            stdout_file="sim2sumo.stdout",
+        )
+
+    def validate_pre_realization_run(
+        self, fm_step_json: ForwardModelStepJSON
+    ) -> ForwardModelStepJSON:
+        return fm_step_json
+
+    def validate_pre_experiment(
+        self, fm_step_json: ForwardModelStepJSON
+    ) -> None:
+        env = fm_step_json["argList"][3]
+        command = f"sumo_login -e {env} -m silent"
+        return_code = subprocess.call(command, shell=True)
+
+        err_msg = (
+            "Your config uses Sumo"
+            ", please authenticate using:"
+            f"sumo_login{f' -e {env}' if env != 'prod' else ''}"
+        )
+
+        if return_code != 0:
+            raise ForwardModelStepValidationError(err_msg)
diff --git a/src/fmu/sumo/sim2sumo/hook_implementations/jobs.py b/src/fmu/sumo/sim2sumo/hook_implementations/jobs.py
index fd5dd819..05fb68af 100644
--- a/src/fmu/sumo/sim2sumo/hook_implementations/jobs.py
+++ b/src/fmu/sumo/sim2sumo/hook_implementations/jobs.py
@@ -7,6 +7,8 @@
 from ert.shared.plugins.plugin_manager import hook_implementation
 from ert.shared.plugins.plugin_response import plugin_response
 
+from fmu.sumo.sim2sumo.forward_models import Sim2Sumo
+
 DESCRIPTION = """
 Makes result simulator (Eclipse, OPM, IX) available in sumo.
 This is done by SIM2SUMO in a three step process:
@@ -98,3 +100,9 @@ def job_documentation(job_name):
         "examples": EXAMPLES,
         "category": "export",
     }
+
+
+@hook_implementation
+@plugin_response(plugin_name="fmu_sumo_uploader")
+def installable_forward_model_steps():
+    return [Sim2Sumo]