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Modulair student housing illustrates Amsterdam’s dynamic character

21/04/2026

Ravel Residence model at ARCAM-exhibition​

The Ravel Residence scale model is on display at ARCAM Amsterdam Centre for Architecture, as part of the exhibition ‘From Model to Metropolis’ – running from 8 May to 27 September 2026. The opening of this summer exhibition will take place on Friday 8 May at 5.00 pm at ARCAM. Register to attend!

Factory visit: crafting prefab villa modules

16/04/2026

Mock-up of The Diamond House | Bahamas

To validate the method and refine the material expression, a full-scale fragment mock-up of The Diamond House was  assessed during a team visit to the Rowij factory. This provided insights, helping guide the project on its way to realisation.

A technical designer with an eye for detail and a heart for building

24/03/2026

OZ is looking for a technical designer

Does coming up with smart, sustainable design solutions give you a buzz? Are you drawn to complex projects and keen to work on initiatives that make a real difference to the city and its residents? If so, we’d love to meet you.

“This is common sense knowledge!”

02/02/2026

Podcasts: ONO in detail

Oresti Sarafopoulos is regularly invited to talk about ONO, our innovative, bio-based office design without mechanical climate installation. At Architectenweb and Bureau STOER, he was given the opportunity to go into great detail about it – and the episodes remain available for everyone to listen to. Find the Spotify links to both podcasts here (in Dutch).

A new chapter for OZ

10/09/2025

OZ PRESENTS NEW PARTNERS

We are excited to introduce our two new partners: Stefan de Koning and Andreas Karavanas. Both teamed up to strengthen our ambition to create sustainable, people-oriented architecture. Stefan and Andreas bring extensive international experience across public and private sectors.

OZ and The City

09/05/2022

OZ’s visions of the city

In this book, we present our visions for the city and highlight OZ’s sources of inspiration, working methods and architectural choices. In responseto the increasing dominance of economic considerations in the built environment, we put experience back at the centre and situate our designs within an architectural discourse. Proud of this bookazine, both light-hearted in design and a real heavyweight.

In the City lies the path to a sustainable future. Looking beyond buildings an inclusive perspective is needed. By intensifying urban nature and social interaction we create thriving places for people.

More about our office

16/04/2026

THE DIAMOND HOUSE | BAHAMAS

Factory visit: crafting prefab villa modules

Originally conceived as a prefabricated, sustainable, hurricane-resistant villa, the Diamond House was designed to stand out through its bold geometric form. At its core was an ambition to harness prefabrication, reducing construction time, increasing efficiency, and minimizing material waste.

In the absence of local contractors capable of executing the prefabrication approach, the project evolved into an equally compelling alternative: sprayed-in-place concrete applied over a demountable structure. The final layer incorporates crushed basalt, carefully polished to achieve a subtle, reflective quality. The facade gently captures and diffuses light, producing a soft shimmer, creating a dynamic, ever-changing surface. The result is a villa that feels grounded in its context while projecting a strong architectural identity.

To validate the method and refine the material expression, a full-scale fragment mock-up was developed. Together with The Sandt and Traanberg Partners, we visited the facilities of Rowij Bouwchemie B.V. to assess the prototype.

As the project moves toward realization, there is a growing sense of excitement, an anticipation to see this vision come to life on site, where material, light, and form will fully reveal their intended impact.

Technical Designer

What will you be doing?

As a technical designer at OZ, you will work on a wide range of projects, from final design through to implementation. You will use your technical knowledge and creativity to develop and refine architectural models within a BIM environment. You will use Revit and various Autodesk/Adobe software to ensure the design is effectively translated into practice.

At every stage, you will be a valuable link within the design team. You will work independently as well as alongside colleagues who, like you, value quality, collaboration and forward thinking.

What we are looking for

  • A completed higher professional education (HBO) or university (WO) degree in Architecture (structural engineering)
  • At least 5 years’ experience in technical design and modelling in Revit
  • Strong architectural insight with an eye for aesthetic quality
  • Interest in innovation and sustainability
  • Knowledge of building regulations, legislation, structural engineering and detailing
  • Good command of the Dutch language, both spoken and written
  • Knowledge of clash detection software such as Solibri/BIM Collab and/or visual programming software such as Dynamo (experience with visualisation software such as the Adobe suite and Twinmotion/Enscape is an advantage)
  • Availability of at least 4 days per week (salaried position)

What we offer

At OZ, you’ll work on projects that make a difference, in an open and professional working environment with 40 enthusiastic colleagues. We give you the freedom to contribute ideas, take the initiative and further develop your structural engineering knowledge, Revit (ILS 2.0) and BIM skills. Our projects are diverse, our ambitions high, and your colleagues committed and knowledgeable. We’re happy to take you on inspiring office outings and excursions. We offer excellent terms of employment in accordance with the collective labour agreement for architectural practices.

Interested?

We’d love to receive your CV and portfolio – by email – before 30 April 2026, quoting reference number 2026T01. Do you have any questions about the role? Please feel free to contact us via jobs@ozarchitect.nl. 

Application procedure

Applications are assessed on an ongoing basis. Due to the high volume of applications, we will only contact candidates who have been shortlisted or selected for an online interview. Please submit your cover letter, CV and portfolio as a single combined PDF file to jobs@ozarchitect.nl. Applications without a portfolio will not be considered.

Acquisition in response to this vacancy is not appreciated.

Wat ga je doen?

Als technisch ontwerper bij OZ werk je aan uiteenlopende projecten, van definitief ontwerp tot uitvoering. Je zet je technische kennis en creativiteit in om bouwkundige modellen te ontwikkelen en te verfijnen in een BIM-omgeving. Je werkt met Revit en diverse autodesk/adobe-programmatuur aan een goede vertaling van het ontwerp naar de praktijk.

In elke fase ben jij een waardevolle schakel binnen het ontwerpteam. Je werkt zelfstandig én samen met collega’s die net als jij houden van kwaliteit, samenwerking en vooruitdenken.

Wat we vragen

  • Een afgeronde HBO- of WO-opleiding Bouwkunde (bouwtechniek)
  • Minimaal 5 jaar ervaring met technisch ontwerpen en modelleren in Revit
  • Sterk ontwikkeld bouwkundig inzicht met oog voor esthetische kwaliteit
  • Interesse in innovatie en duurzaamheid
  • Kennis van bouwbesluit, regelgeving, bouwtechniek en detailleren
  • Goede beheersing van de Nederlandse taal in woord en geschrift
  • Kennis van clash programma’s als Solibri/ BIM collab en of visual programmering programma’s als Dynamo (ervaring met visualisatie programma’s als Adobe-pakket en Twinmotion/Enscape is een pré)
  • Beschikbaarheid van minimaal 4 dagen per week (loondienst)

Wat we bieden

Bij OZ werk je aan opgaven die er toe doen, in een open en professionele werkomgeving met 40 enthousiaste collega’s. We geven je de ruimte om mee te denken, initiatief te nemen en je bouwtechnische kennis, Revit (ILS 2.0) en BIM vaardigheden verder te ontwikkelen. Onze projecten zijn divers, onze ambities hoog, en je collega’s betrokken en kundig. We nemen je graag mee op inspirerende bureau-uitjes en excursies. We bieden uitstekende arbeidsvoorwaarden conform de CAO voor architectenbureaus.

Interesse?

We ontvangen graag je cv en portfolio – via email – voor 30 april 2026, onder vermelding referentienummer 2026T01. Heb je vragen over de rol? Neem gerust contact met ons op via jobs@ozarchitect.nl.

Sollicitatieprocedure

Sollicitaties worden doorlopend beoordeeld. Vanwege het grote aantal inzendingen wordt alleen contact opgenomen met kandidaten die op de shortlist staan of geselecteerd zijn voor een online sollicitatiegesprek. Stuur je motivatiebrief, cv en portfolio als één gecombineerd PDF-bestand naar jobs@ozarchitect.nl. Sollicitaties zonder portfolio worden niet in behandeling genomen.

Acquisitie naar aanleiding van deze vacature wordt niet op prijs gesteld.

– Language: Dutch –

10/09/2025

A New Chapter for OZ

We are excited to introduce our two new partners: Stefan de Koning and Andreas Karavanas. Both teamed up to strengthen our ambition to create sustainable, people-oriented architecture. Stefan and Andreas bring extensive international experience across public and private sectors.

The team of OZ-partners now consists of Chris Zwiers, John Bosch, Oresti Sarafopoulos, Stefan de Koning, Andreas Karavanas, and managing director Marlies Zwols. Together, we unite a range of expertise and cultural insights with a bold spirit and a collaborative approach – ready to shape the next chapter of OZ.

Stefan de Koning
Stefan joins us after two decades as partner at MVRDV, bringing a deeply rooted design vision and proven leadership. His work embraces urban density, accessibility, diversity and playfulness – values that align with our mission. Stefan will lead the development of new design strategies and of multidisciplinary teams, building on our strong position.

“I am aware that architecture can contribute to a livable future. So we have to design inclusive and adaptive in this dynamic and complex world.”

Andreas Karavanas
Andreas brings design excellence and a research-driven approach to OZ following a decade at OMA. His work explores the intersection of architecture and urban conditions, shaping the increasing complexity of architectural typologies. Andreas will develop strategies grounded in research and responsive to urban realities, reinforcing the studio’s commitment to innovative design thinking.

“To me, architecture that is both rooted and future-proof, starts with deep understanding of context, culture and the everyday.”

09/05/2022

OZ and The City

This bookazine presents five perspectives on the city while also highlighting the references, working methods and architectural choices of OZ.

It is a response to the increasing dominance of economic motives in the built environment. Architecture is increasingly becoming a marketing tool and images – especially digital media – are only used to seduce. With this bookazine we want to place our designs in an architectural discourse: we are making an attempt to interpret the development of architecture again from the perspective of spatial experience.

OZ operates in the city from a down-to-earth attitude. Not politico-economic but culturally driven we search for a social relevance that embraces the complexity of life and enriches the environment.

View OZ and The City