Can QA Contribute in Production Operation Testing for a Successful Software Release/Deployment?

Can QA Contribute in Production Operation Testing for a Successful Software Release/Deployment?

Production deployment starts with the first line of code: an application should be built to work in production infrastructure, could be deployed using existing process, be it CD or manual update and handle load expected in production. Even in almost ideal CD process with wide use of automation where it is possible, some human interaction might be required when it comes to changes to DB, build scripts or infrastructure with new release.