In recent years, as the leader of a large number of studios, he has developed into a specialist in the field of concept and planning in an interdisciplinary setting with numerous specialists from various perspectives.
Advisor, landscape architect
Jandirk was active in the cultural sector from 1987 to 1990 as a program maker for music events, theater and cultural debate in the Union in Rotterdam. He then worked from 1990 to 1993 as a landscape architect and 'city ambassador' for the cultural sector at dS+V Rotterdam and from 1993 to 1999 as senior advisor and division leader at Heidemij/Arcadis. There he gained experience with integrated assignments and with leading (design) teams. From 1999 to May 2017, Jandirk was director of H+N+S Landscape Architects. Since then he has continued his work for H+N+S as a consultant.
WATER + SPACE
In the field of water and space, Jandirk was active as leader of the South-Western Delta Atelier and the Coastal Quality Atelier and he contributed to the plans that were developed for the Belgian coast in the context of 'Metropolitan Coastal Landscape 2100'. He designed the winning plan for a water-rich and self-supporting urban park in Yangcheng, China. He was also involved in the Dutch Dialogues episode that explored the future of the coastal and riverine area around Norfolk, Virginia.
In Cape Town, South Africa he worked with the Density Syndicate Cape Town; he led a multidisciplinary SA-NL team that developed a future perspective for a centrally located green corridor, Two Rivers Urban Park. Closer to home, in close collaboration with Anningahof on the Vecht near Zwolle, he drew up a plan for the refurbishment of this estate for art and culture.
Various structural visions and area development plans, including for the Bentwoud, the Rhine and Veen region in the Green Heart.
Jandirk gave guest lectures at the Landscape Architecture department of Wageningen University, ETH Zurich, KU Leuven, TU Delft and the Academy of Rotterdam. He was a board member of a number of music theater companies and is a member of the Program Council of ARCAM in Amsterdam. He was studio master of the Project Atelier Groningen. This Project Atelier investigates what the energy transition can mean for the economic perspective of the city and region of Groningen and what the consequences can be for the spatial order and spatial quality in the area. The results of Project Atelier Groningen were presented during the IABR 2016 'The next economy'.
Jandirk acted as intendant of the Biennale Landscape Architecture Apeldoorn in 2008 and as studio leader for the Atelier Overijssel. From March 2012 to October 2017, he was Provincial Spatial Quality Advisor at the province of North Holland.