The QFX5100 and EX4600 platforms support FIPS and Common Criteria (NDcPP) in the 18.1R1.9 release. Both these platforms share the same image. This image is available at the FIPS/CC download link  https://www.juniper.net/support/downloads/?p=junosfips#sw

To download FIPS and Common Criteria (NDcPP):
1. Navigate to https://www.juniper.net/support/downloads/?p=junosfips#sw
2. Select version "18.1" on the top right "version" drop-down menu
3. Once the "18.1" version is selected, the page is updated to show the software for QFX5100 and EX4600