In 2023, Jens was appointed Professor for Design, Building Typologies and Architectural Theories (Entwerfen, Gebäudelehre und Architekturtheorie) at the University of Applied Sciences, Fachhochschule Erfurt

Between 2010-21, he taught at BTU Cottbus. As a guest professor, he was head of the chair "Bauen im Bestand / Contextual Design" 2010-12. As a professor, he led the English language postgraduate programme ‘Architektur.Studium.Generale’ carried out by 10 universities across Europe and Israel in 2013-14. 2016-17 he taught at the intersection of architectural design and heritage preservation, co-developing The Garage Manifesto, and he was part of Studio Bagan, a cooperation between BTU Cottbus and YTU Yangon, in 2018 (in Myanmar) and 2021 (Online).

He was Assistant Professor at TU Berlin supervising 1st and 2nd year design studios 2004-06, and a Unit Master at the AA Berlin Laboratory of the Architectural Association at the Aedes Network Campus ANCB in 2009. In 2009 he also conducted a design studio within the Master  programme Stage Design and Scenography at TU Berlin, and in 2022, he co-led the survey and design workshop 3(0).000 Garagenwith the European Capital of Culture 2025 Chemnitz and Hochschule München, and in 2023,

As a guest critic, Jens has been invited to design studios of Donatella Fioretti, Regine Leibinger, Jan Kampshoff, Eike Roswag-Klinge, and Jörg Stollmann at TU Berlin - to the AA Berlin Laboratory of the Architectural Association at UdK Berlin (Marianne Mueller, Olaf Kneer) - the Northeastern University Boston Abroad Berlin (Bettina Kraus) -  Beuth Hochschule Berlin (Bernd Bess) - DIA Dessau / Hochschule Anhalt (Roger Bundschuh) - Hochschule Münster (Marianne Mueller) - Hochschule Potsdam (Heike Hanada) - Universität Kassel (Philipp Oswalt / Luise Rellensmann) - INDA Chulalongkorn Bangkok (Leonid Slonimskiy) - The Belazel Academy of Arts and Design Jerusalem Summer Studio Berlin at UdK Berlin (Zvi Efrat) - HEAD Genève (Leonid Slonimskiy, Online) - Hochschule München (Björn Martenson, Online) - TU Braunschweig (Dan Schürch)