diff --git a/Code/CryEngine/CrySystem/SystemInit.cpp b/Code/CryEngine/CrySystem/SystemInit.cpp
index cd8ce36beb..fcbf0b8215 100644
--- a/Code/CryEngine/CrySystem/SystemInit.cpp
+++ b/Code/CryEngine/CrySystem/SystemInit.cpp
@@ -247,7 +247,7 @@ CUNIXConsole* pUnixConsole;
 
 #define LOCALIZATION_TRANSLATIONS_LIST_FILE_NAME "Libs/Localization/localization.xml"
 
-#define LOAD_LEGACY_RENDERER_FOR_EDITOR true // If you set this to false you must for now also set 'ed_useAtomNativeViewport' to true (see /Code/Sandbox/Editor/ViewManager.cpp)
+#define LOAD_LEGACY_RENDERER_FOR_EDITOR false // If you set this to true you must also set 'ed_useAtomNativeViewport' to false (see /Code/Sandbox/Editor/ViewManager.cpp)
 #define LOAD_LEGACY_RENDERER_FOR_LAUNCHER false
 
 //////////////////////////////////////////////////////////////////////////
diff --git a/Code/Sandbox/Editor/EditorViewportWidget.cpp b/Code/Sandbox/Editor/EditorViewportWidget.cpp
index a656c27d98..25588e85a7 100644
--- a/Code/Sandbox/Editor/EditorViewportWidget.cpp
+++ b/Code/Sandbox/Editor/EditorViewportWidget.cpp
@@ -232,7 +232,6 @@ int EditorViewportWidget::OnCreate()
 {
     m_renderer = GetIEditor()->GetRenderer();
     m_engine = GetIEditor()->Get3DEngine();
-    assert(m_engine);
 
     CreateRenderContext();
 
@@ -793,8 +792,14 @@ void EditorViewportWidget::OnRender()
         // This is necessary so that automated editor tests using the null renderer to test systems like dynamic vegetation
         // are still able to manipulate the current logical camera position, even if nothing is rendered.
         GetIEditor()->GetSystem()->SetViewCamera(m_Camera);
-        GetIEditor()->GetRenderer()->SetCamera(gEnv->pSystem->GetViewCamera());
-        m_engine->RenderWorld(0, SRenderingPassInfo::CreateGeneralPassRenderingInfo(m_Camera), __FUNCTION__);
+        if (GetIEditor()->GetRenderer())
+        {
+            GetIEditor()->GetRenderer()->SetCamera(gEnv->pSystem->GetViewCamera());
+        }
+        if (m_engine)
+        {
+            m_engine->RenderWorld(0, SRenderingPassInfo::CreateGeneralPassRenderingInfo(m_Camera), __FUNCTION__);
+        }
         return;
     }
 
@@ -886,7 +891,7 @@ void EditorViewportWidget::OnBeginPrepareRender()
                 fov = 2 * atanf((h * tan(fov / 2)) / maxTargetHeight);
             }
         }
-        m_Camera.SetFrustum(w, h, fov, fNearZ, gEnv->p3DEngine->GetMaxViewDistance());
+        m_Camera.SetFrustum(w, h, fov, fNearZ);
     }
 
     GetIEditor()->GetSystem()->SetViewCamera(m_Camera);
@@ -2606,8 +2611,7 @@ bool EditorViewportWidget::GetActiveCameraPosition(AZ::Vector3& cameraPos)
     {
         if (GetIEditor()->IsInGameMode())
         {
-            const Vec3 camPos = m_engine->GetRenderingCamera().GetPosition();
-            cameraPos = LYVec3ToAZVec3(camPos);
+            cameraPos = m_renderViewport->GetViewportContext()->GetCameraTransform().GetTranslation();
         }
         else
         {
diff --git a/Code/Sandbox/Editor/Material/MaterialManager.cpp b/Code/Sandbox/Editor/Material/MaterialManager.cpp
index dee903dfe4..3c21a74d97 100644
--- a/Code/Sandbox/Editor/Material/MaterialManager.cpp
+++ b/Code/Sandbox/Editor/Material/MaterialManager.cpp
@@ -525,6 +525,11 @@ void CMaterialManager::OnEditorNotifyEvent(EEditorNotifyEvent event)
 //////////////////////////////////////////////////////////////////////////
 void CMaterialManager::ReloadDirtyMaterials()
 {
+    if (!GetIEditor()->Get3DEngine())
+    {
+        return;
+    }
+
     IMaterialManager* runtimeMaterialManager = GetIEditor()->Get3DEngine()->GetMaterialManager();
 
     uint32 mtlCount = 0;
@@ -743,12 +748,15 @@ int CMaterialManager::GetHighlightFlags(CMaterial* pMaterial) const
         result |= eHighlight_NoSurfaceType;
     }
 
-    if (ISurfaceTypeManager* pSurfaceManager = GetIEditor()->Get3DEngine()->GetMaterialManager()->GetSurfaceTypeManager())
+    if (GetIEditor()->Get3DEngine())
     {
-        const ISurfaceType* pSurfaceType =  pSurfaceManager->GetSurfaceTypeByName(surfaceTypeName.toUtf8().data());
-        if (pSurfaceType && pSurfaceType->GetBreakability() != 0)
+        if (ISurfaceTypeManager* pSurfaceManager = GetIEditor()->Get3DEngine()->GetMaterialManager()->GetSurfaceTypeManager())
         {
-            result |= eHighlight_Breakable;
+            const ISurfaceType* pSurfaceType = pSurfaceManager->GetSurfaceTypeByName(surfaceTypeName.toUtf8().data());
+            if (pSurfaceType && pSurfaceType->GetBreakability() != 0)
+            {
+                result |= eHighlight_Breakable;
+            }
         }
     }
 
diff --git a/Gems/LmbrCentral/Code/Source/Rendering/EditorLightComponent.cpp b/Gems/LmbrCentral/Code/Source/Rendering/EditorLightComponent.cpp
index f46f60dd7b..e9ac845a88 100644
--- a/Gems/LmbrCentral/Code/Source/Rendering/EditorLightComponent.cpp
+++ b/Gems/LmbrCentral/Code/Source/Rendering/EditorLightComponent.cpp
@@ -805,7 +805,10 @@ namespace LmbrCentral
         AzToolsFramework::EditorEvents::Bus::Handler::BusDisconnect();
         AZ::TransformNotificationBus::Handler::BusDisconnect();
 
-        gEnv->p3DEngine->FreeRenderNodeState(&m_cubemapPreview);
+        if (gEnv->p3DEngine)
+        {
+            gEnv->p3DEngine->FreeRenderNodeState(&m_cubemapPreview);
+        }
 
         m_light.DestroyRenderLight();
         m_light.SetEntity(AZ::EntityId());
@@ -903,6 +906,11 @@ namespace LmbrCentral
 
     void EditorLightComponent::OnViewCubemapChanged()
     {
+        if (!gEnv->p3DEngine)
+        {
+            return;
+        }
+
         if (m_viewCubemap)
         {
             gEnv->p3DEngine->RegisterEntity(&m_cubemapPreview);
@@ -1944,6 +1952,11 @@ namespace LmbrCentral
             AzToolsFramework::EditorRequestBus::BroadcastResult(m_editor, &AzToolsFramework::EditorRequests::GetEditor);
         }
 
+        if (!m_editor->Get3DEngine())
+        {
+            return;
+        }
+
         if (!m_materialManager)
         {
             m_materialManager = m_editor->Get3DEngine()->GetMaterialManager();
diff --git a/Gems/LmbrCentral/Code/Source/Rendering/LightInstance.cpp b/Gems/LmbrCentral/Code/Source/Rendering/LightInstance.cpp
index d3564f228d..0c5da629ed 100644
--- a/Gems/LmbrCentral/Code/Source/Rendering/LightInstance.cpp
+++ b/Gems/LmbrCentral/Code/Source/Rendering/LightInstance.cpp
@@ -136,13 +136,16 @@ namespace
             const char* texturePath = configuration.m_projectorTexture.GetAssetPath().c_str();
             const int flags = FT_DONT_STREAM;
 
-            lightParams.m_pLightImage = gEnv->pRenderer->EF_LoadTexture(texturePath, flags);
-
-            if (!lightParams.m_pLightImage || !lightParams.m_pLightImage->IsTextureLoaded())
+            if (gEnv->pRenderer)
             {
-                GetISystem()->Warning(VALIDATOR_MODULE_RENDERER, VALIDATOR_WARNING, 0, texturePath,
-                    "Light projector texture not found: %s", texturePath);
-                lightParams.m_pLightImage = gEnv->pRenderer->EF_LoadTexture("Textures/defaults/red.dds", flags);
+                lightParams.m_pLightImage = gEnv->pRenderer->EF_LoadTexture(texturePath, flags);
+
+                if (!lightParams.m_pLightImage || !lightParams.m_pLightImage->IsTextureLoaded())
+                {
+                    GetISystem()->Warning(VALIDATOR_MODULE_RENDERER, VALIDATOR_WARNING, 0, texturePath,
+                        "Light projector texture not found: %s", texturePath);
+                    lightParams.m_pLightImage = gEnv->pRenderer->EF_LoadTexture("Textures/defaults/red.dds", flags);
+                }
             }
         }
         break;
@@ -180,8 +183,11 @@ namespace
                     diffuseMap.insert(dotPos, "_diff");
                 }
 
-                lightParams.SetSpecularCubemap(gEnv->pRenderer->EF_LoadCubemapTexture(specularMap.c_str(), FT_DONT_STREAM));
-                lightParams.SetDiffuseCubemap(gEnv->pRenderer->EF_LoadCubemapTexture(diffuseMap.c_str(), FT_DONT_STREAM));
+                if (gEnv->pRenderer)
+                {
+                    lightParams.SetSpecularCubemap(gEnv->pRenderer->EF_LoadCubemapTexture(specularMap.c_str(), FT_DONT_STREAM));
+                    lightParams.SetDiffuseCubemap(gEnv->pRenderer->EF_LoadCubemapTexture(diffuseMap.c_str(), FT_DONT_STREAM));
+                }
 
                 if (lightParams.GetDiffuseCubemap() && lightParams.GetSpecularCubemap())
                 {
@@ -401,7 +407,7 @@ namespace LmbrCentral
     template <typename ConfigurationType, typename ConfigToLightParamsFunc>
     void LightInstance::CreateRenderLightInternal(const ConfigurationType& configuration, ConfigToLightParamsFunc configToLightParams)
     {
-        if (m_renderLight || !configuration.m_visible)
+        if (m_renderLight || !configuration.m_visible || !gEnv->p3DEngine)
         {
             return;
         }