For new managed services the ROMS process is a requirement in addition to the SRE onboarding process. https://docs.google.com/presentation/d/1Hj89jFufsOKjnWk3pfrlIkysTfzaP3IIJqLPevF77-g/edit#slide=id.g1152a1e8a49_1_0

It is recommended that the team members advancing the service along the ROMS path are also involved in the HybridSRE and SRE Onboarding discussions and working groups for the service.