In 1995, he became a Ram at Yeshivat Har Etzion, and at the same time gave Shiurim to all yeshiva students on various halakhic topics. In 2000 he was appointed as head of the Yeshiva's Kollel Halacha. Today, Rav Rimon serves as the rabbi of the Ashkenazi synagogue of Alon Shvut Darom and teaches at Yeshivat Har Etzion, its sister school, Migdal Oz, and Herzog College.[8]
Rimon heads the "Sulamot" association (formerly the "Halacha and Education Center"), which he founded.[10] Sulamot deals with three main areas: Judaism, education and experience. In each area, the association deals with the promotion and refinement of Jewish content, in pedagogical aspects (writing halakhic content, creating study materials for education systems, etc.), in the experiential aspects (developing innovative learning systems, experiential secondary learning and in creating and strengthening ties with Jewish communities around the world.[11]
Following the Israeli disengagement from Gaza,[12] Rimon contributed to the rehabilitation of evacuees who were left without homes and jobs by founding the LaOfek association (also called Taasoktif and JobKatif).[13] At first, the association was engaged in finding jobs for Gush Katif residents.[14] The association was awarded the Ot Hanasi Lamitnadev (the President's Volunteer Award) for 2008.[15] Since 2009, the association has worked in cooperation with the government, which covers 75% of its expenses.[16] Today, the association is engaged in activities to promote underprivileged populations, finding jobs for soldiers, assisting Lone Soldiers and in special projects in Israeli society; it provides employment coaching and counseling, business mentoring, professional retraining courses, academic scholarships and other services.[17]
Rav Rimon at the Award Ceremony for the Katz Prize in 2018 (Left: Rabbi Aryeh Stern)
In 2015, Rav Rimon was appointed the Rosh Yeshiva of the Jerusalem College of Technology (JCT). Under his auspices, the Madatoratecha - Torah and Technology Research Center has been established at JCT to provide the specialized expertise necessary to respond to the complex ethical and Halachic issues of our times. The center pioneers an unusual collaboration between Halachic experts and renowned scientists and faculty members from the college’s computer science, engineering and health sciences departments.
In 2020 the Gush Etzion Regional Council searched for its first head rabbi. After a year-long process in which the general public nominated candidates, a committee of rabbis and public leaders from the area submitted their recommendations and Rimon was elected as Gush Etzion’s first Chief rabbi.[2]* Rabbi of the Gush Etzion Regional Council (2021)[18]
Rimon is a popular lecturer in Israel, North America, the UK and Australia.[19]
Rimon's Sifreihalakha are written in a way that is structured in "tracing [from] the sources to the practical application of Halacha in our modern reality."[20] In his books, the halakhic sources are presented, sometimes from the Talmud and the Rishonim, sometimes only from the Achronim, depending on the subject. This approach, which stands in contrast to various halakhic books that bring only final rulings, tries to give the learner tools for understanding halakhah even in cases that are not directly addressed in halakhic rulings. His best-known book, "Halacha MiMekorah - Tzava" (Halacha From Its Source - Army), a Halachic work for soldiers fighting in a Jewish army, a subject which became much more practical with the creation of the Jewish State, was published in 2010.[21] He is an expert on Shemitah.
