Yep, DHCP isn't there.
I didn't check the details section at the RSAT download site but it's there:
DHCP Tools. Dhcpmgmt.msc is not available in this release of RSAT, but equivalent Windows PowerShell cmdlets are available.
https://www.microsoft.com/en-au/download/details.aspx?id=45520

If you are not into powershelling it, then it's Reddit to the rescue:
https://www.reddit.com/r/sysadmin/comments/3jlx38/heres_how_to_get_dhcp_snapin_working_on_windows_10/