Postdoctoral Fellowship: Development of Flexible Organic Photodetectors and Readout Electronics for High-Resolution Calcium Imaging – 12-Month Fixed-Term Contract

Joining Mines Saint-Étienne means committing to an institution where science and innovation build a more sustainable future. An institution of excellence where everyone has the opportunity to reach their full potential and contribute to meeting tomorrow's challenges.

Ranked among the top engineering schools in France and recognized worldwide, our school, a member of the Institut Mines-Télécom, trains the talents of tomorrow while actively contributing to meeting major industrial, digital, and environmental challenges. With us, you will join a community of 500 employees, 2500 students, and participate in an ambitious project: combining academic excellence, cutting-edge research, and positive societal impact.

The Institut Mines-Télécom unites major French engineering schools around key industrial, digital, energy, and environmental challenges. With its 8 public Grandes Écoles and 2 affiliated schools, it is the leading public institute dedicated to engineers and managers. Together, we envision and build a sustainable future by training the actors who will shape the transitions of tomorrow.

🎯 What we expect from you:

As a postdoctoral researcher, you will be at the heart of our research and innovation missions, assigned to the Provence Microelectronics Center, Bioelectronics Department. Within this department, you will contribute to interdisciplinary research for scientific and societal innovation.

Entity:

The Bioelectronics Department of the Provence Microelectronics Center develops innovative technologies at the interface of electronics, materials, and life sciences.
Located in Gardanne, in the heart of the Aix-Marseille region, it boasts a state-of-the-art research environment and a fully equipped cleanroom.
Its teams operate in an international and interdisciplinary context, in close collaboration with academic and clinical partners.

Strategic Objective of Recruitment:

To strengthen the research capabilities of the Bioelectronics Department with a postdoctoral researcher capable of developing a new generation of flexible organic optical sensors for calcium imaging.
This recruitment will contribute to advancing a technology with high potential at the intersection of microelectronics, bioelectronics, and neuroscience.

Main Missions:

o You will develop and micro-fabricate miniaturized flexible organic photodetectors (OPDs) for the creation of high-resolution multi-pixel arrays.

o You will develop flexible readout electronics based on field-effect transistors (FETs) for amplifying and measuring the very low photocurrents generated by the OPDs.

o You will study the physical limits associated with the miniaturization of photodetectors and establish design rules by analyzing, in particular, dark current, noise, detectivity, and dynamic range.

o You will perform electrical and optical characterization of the OPD-FET platform under illumination conditions representative of calcium imaging.

o You will analyze the performance of the devices to optimize their integration into high-density flexible arrays for neural imaging.

o You will disseminate your work through scientific publications and international communications.

o Your ability to work autonomously in an interdisciplinary environment and to bridge the gap between fundamental research, technological development, and health applications will be essential for success.

🔍 What we are looking for:

You hold a:

Master's degree (Bac + 5) or equivalent, and hold a doctorate (or are about to obtain one), preferably in electrical engineering, microelectronics, biomedical engineering, physics, chemistry, materials science, or chemical engineering.

And ideally:

· Holder of a doctoral degree

· With 3 years of experience in organic electronics

· Junior candidates accepted: yes

· Significant experience in microfabrication and cleanroom work

· Proven experience in organic electronics and/or photodetector fabrication

· Demonstrated expertise in electrical and optical characterization

· Proficiency in English (C1 level) and Matlab or Python for data analysis

Your additional assets:

· Experience in organic electronics and/or solar cells

· Experience in sensor characterization or optoelectronic devices

· Strong interest in interdisciplinary research at the interface of electronics, materials, and life sciences

· Experience in an international research environment would be appreciated

🌍 Why join Mines Saint-Étienne?

We support each of our employees on the path to excellence, with the conviction that together, we can have a lasting and significant impact on our world.

Joining Mines Saint-Étienne offers the opportunity to find:

· A stimulating environment: state-of-the-art experimental facilities, a strong international network (T.I.M.E., EULIST), and human-sized campuses within an urban environment.

· Real impact: contract research projects amounting to €11 million/year, primarily with industrial partners, a science and culture center, La Rotonde, which has been committed to science outreach for 25 years, welcoming over 50,000 visitors/year.

· Incomparable quality of life: 49 days of leave and RTT, partial remote work, 75% coverage of public transport costs, financial support for carpooling and cycling, and a social barometer where 83% of employees praise the quality of work life.

Let's build a more sustainable future through science, engineering, and meaningful projects.

📩 Apply now!

🔗 Application files (CV, cover letter, letter of recommendation if applicable, ID) should be submitted on the RECRUITEE platform:

https://institutminestelecom.recruitee.com/o/post-doctorat-developpement-de-photodetecteurs-organiques-flexibles-et-dune-electronique-de-lecture-pour-limagerie-calcique-haute-resolution-cdd-12-mois

As part of its Equality, Diversity, and Inclusion policy, Mines Saint-Étienne is an employer committed to fair treatment of all applications.

Additional Information

Recruitment Conditions:

o Application Deadline: 10/18/2026

o 12-month public law fixed-term contract (CDD)

o Full-time

o Executive profile

o Desired start date: 01/01/2027

· The positions offered are open to all, with, upon request, accommodations for candidates with disabilities.

· Position open to civil servants (Category A) and/or contract employees

· Any application may be subject to an administrative investigation

· Proposed salary range: from €35,553 to €37,092 + annual bonus + 3% geographical location allowance - depending on profile. The salary is determined based on the candidate's profile (job, age, employment background, salary guarantee duration), in accordance with the rules defined by the Institut Mines Télécom management framework.

Candidates selected after reviewing their application will be interviewed in late October 2026.

 Contacts

· Regarding the position content:

Charles REZAEI-MAZINANI – BEL Department

Mail: ----- style="background-color:#FEFEFC">Tel.: +33 4 42 61 68 87

· Regarding administrative/HR aspects:

Servane ARRES - HR Manager

Mail: [email protected]
Tel.: +33 (0)4 42 61 66 12

Amandine HIRONDEAU – Deputy HR Director and Recruitment Pole Manager

Mail: [email protected]
Tel.: + 33 (0)4 77 42 01 03

Useful links:

https://www.mines-stetienne.fr/

https://www.imt.fr/

 Your data protection:

https://www.mines-stetienne.fr/wp-content/uploads/2018/12/Informations-des-candidats-sur-les-traitements-de-donn%C3%A9es-personnelles.pdf

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