Nomar broke into the pornographic film industry after being discovered by Italian director Luca Damiano at a casting contest.

He has stated in the past that he had always been in favor of well-scripted features as opposed to gonzo pornography, although he had no objections to appearing in films of either style.

[2] In 1994, at the age of 21, he started working in a local sex shop, where, in addition to running the store, he also ran a peep-show for a year.

[3] In September 1995, Nomar traveled to the International Erotic Film Festival in Barcelona, where he participated in and won a casting contest organized by Italian director Luca Damiano.

In 1997, he starred as John the Baptist in an erotic pastiche of Oscar Wilde's tragedy Salomé and appeared as a police officer in Fucking Instinct.

He also began performing in BDSM scenes for Kink.com involving submission, deep throat, rimming, female ejaculation, anal and vaginal fisting, gang bang, bukkake, spitting, and slapping.

On two occasions, Nomar received the Ninfa Award for Best Spanish Actor at the Barcelona International Erotic Film Festival.

From 1 to 4 October 2015 he participated in an erotic salon in Barcelona with artists such as Nacho Vidal, Steve Holmes, Erica Fontes, Tiffany Doll, Franceska Jaimes and Carolina Abril.

[25][26][27] On 8 October 2017, at the 25th Barcelona International Erotic Film Festival, Nomar received the award for "Best International Actor Saló Erotic de Barcelona (SEB)"[28] with a T-shirt with the inscription "There is no consent to the sexual abuse of minors"(Abuso sexual infantil: STOP) protesting against pedophilia.

[32] In May 2019, at the erotic pub The Secret Garden in Medellín, Colombia, Nomar held workshops on the adult film industry, organized by former journalist Amaranta Hank.

[43] He also acted as the neighbor in Masashi Kishimoto's Naruto shōnen manga parody - Comic Book Freaks and Cosplay Geeks (2015), directed by Joanna Angel with Annie Cruz and Wolf Hudson.

[49] He also appeared in several Axel Braun porn parodies: Deadpool (2018)[50] as Punisher,[50] Captain Marvel (2019) as Chrell and Black Widow (2021) as Taskmaster.

[54] In 2021, he performed in his first transgender scene for the Evil Angel production Aubrey Kate Is Ramon Nomar's First TS,[55][56] which he co-directed with Chris Streams.

[66] On 11 January 2017, Nomar, along with porn film director Tony T., filed a lawsuit in the Los Angeles Supreme Court for defamation related to the allegations of porn star Nikki Benz,[67] who on 20 December 2016, announced through social media that after the Brazzers session on Nikki Goes Bananas and the sex scene (since 19 December) she was sexually assaulted.