No. DCS does not represent either parent in a child support action, whether the action takes place in a court or administrative hearing.
You have the right to have an attorney represent you in court or an administrative hearing, if you are able to get one.
For an administrative hearing, you may have anyone you choose represent you.
In either place, you can represent yourself.
If you fear for your safety if you appear for a court or administrative hearing, talk with a DCS official about participating by telephone for the hearing, or being in a separate room from your abuser.