Senior R&D Engineer – Recycling processes

Unidad de negocio
Economía Circular

At CIRCE, we have an ambitious goal: help the world to get better. With our fabulous team we create and develop innovative solutions to transfer them to the business sector in the field of energy.

Are you ready for the challenge?

We offer a senior position to coordinate a project portfolio and the associated team members. 

The role consists of aligning the projects´ portfolio (private and public contracts) with the vision and mission of the company, working on the technology surveillance of recycling routes and looking for new opportunities according to market requirements. He/she will achieve these objectives by being involved in the technical implementation of the projects.

The candidate shall account with R&D capabilities to bring recycling technologies from experimental level to pilot plant facilities. He/she is expected to have experience with industry clients (B2B), as well as a Project Manager or Coordinator.

From the technical point of view, it is expected that the candidate has experience in recycling processes. Additionally, it will be valuable that the candidate has experience in processes circularity quantification.


The candidate will be involved in projects which main activities could include:

  • Development of innovative recycling technologies:

    • Selecting the most appropriate recycling technology for a residue (i.e. WEEE, plastic, textile).

    • Assessment of recycling technologies.

    • Selecting the most adequate laboratory equipment for the development of an innovative recycling route.

    • Defining the experimental work in a recycling technology study.

    • Performing and coordinating experimental testing.

    • Evaluating testing performance.

  • Identification of main circularity KPIs related with an industrial process.

Your Profile 

  • Degree in Chemical/Industrial Engineering or similar is requested.

  • Proficient in English and Spanish.

  • At least 4 years of experience working in recycling processes R&D and laboratory testing.

Desirable Requirements

  • Master in Waste Management.

  • Master in recycling technologies / materials.

  • Master in Circular Economy.

  • At least 2 years of experience developing B2B solutions and with client management.

  • Experience in scientific publications


  • High autonomy in developing technical documents.

  • Project Management.

  • Market vision according to industry requirements.

  • Team player and strong communication skills.

  • Capacity to interact and build strong relations among team members.

  • Result driven and analytical thinking.

  • Pro-activity, critical viewpoint and willingness to contribute.

  • To have the ability to take initiative, prioritize and work under set deadlines and pressure.


  • Multicultural team

  • Remote friendly policy

  • Flexible working hours

  • Health insurance, training, meals, transport, and kindergarten via flexible compensation scheme

  • +30 vacation labour days per year

  • Team building activities

  • Our exceptional office is based in Zaragoza

Join a company where people come first, with an unbeatable work environment and great talent where we trully live our values.

We're looking forward to meeting you.

Unidad de negocio
Economía Circular