École Polytechnique, commonly known as “l'X”, is a world-class higher education and research institution. Supervised by the French Ministry of the Defence, École Polytechnique is a founding member of the Institut Polytechnique de Paris alongside five other institutions: ENSTA, ENPC, ENSAE, Télécom Paris, and Télécom Sud Paris. Highly international, École Polytechnique combines research, education, and innovation at the highest scientific and technological levels. With its 23 laboratories—22 of which are joint research units with the CNRS (French national center for research)—its research center works at the frontiers of knowledge on major interdisciplinary scientific, technological, and societal challenges.
Committed to attracting top talent for its teaching and research teams and staff, and to bringing an increasing number of students to its high-level academic programs, École Polytechnique ensures that its recruitment practices promote equality, diversity, and inclusion. As part of its action plan for professional equality between women and men, l'X encourages women to apply in order to ensure balanced gender representation within its faculty. L'X is also committed to integrating environmental considerations into its teaching and research activities, notably within the Labos 1.5 initiative.
Applications for full-time faculty positions (Professors or full-time teaching positions) must include a research plan, education plan or any other planned activities, as well as the names and contact details of Professors whom l'X may contact for letters of recommendation and assessments. Candidates are strongly encouraged to contact the head of the academic department, the laboratory director, and the relevant team leaders to obtain further details about each open position.
In terms of responsibilities and teaching load, the Professor role is comparable to a University Professor, and the Assistant Professor role is comparable to a University Lecturer/Senior Lecturer (Maître de Conférences).
Each faculty member is recognized by the Institut Polytechnique de Paris with one of the following titles : Assistant Professor, Associate Professor, Full Professor.
Nature of the commitment : Le personnel enseignant-chercheur et enseignant d’exercice complet est principalement recruté à durée indéterminée. Les enseignant(e)s-chercheurs(ses) ou enseignant(e)s, fonctionnaires, sont recruté(e)s en détachement à l’École. La durée du contrat ne peut excéder la durée du détachement accordé.
Full-time faculty members may also benefit from the "Monge Special Appointment Program." Research activities must be carried out within one of École Polytechnique's laboratories. Through this program, l'X aims to recruit high-potential junior academics who hold a PhD and to enable them to begin an autonomous career in teaching and research. This is a fixed-term appointment for a maximum of six years (two three-year contracts). Before the end of the fifth year, faculty members recruited under this program may be confirmed in their position and receive a permanent contract.
Nature of employment: : Full-time faculty and teaching-research staff are mainly hired on permanent contracts.
Part-time faculty combine their teaching duties at École Polytechnique with a primary job in academia or industry. Teaching commitments require long-term involvement in l’X educational projects . Part-time positions are limited to 12 years for Teaching Fellows and Lecturers. “Resident” part-time positions are reserved for individuals who conduct or wish to conduct research in one of École Polytechnique’s laboratories.
Faculty and teaching staff at l'X benefit from the rich environment and ecosystem of the Saclay Cluster: a highly diverse community—particularly international—of students and faculty, École Polytechnique's research center with its 23 laboratories within the Institut Polytechnique de Paris, which includes a total of 45 laboratories, 7 interdisciplinary centers that combine the expertise of researchers from the member schools of the Institute, and more.
Candidates are encouraged to contact the heads of the relevant academic departments to learn more about the advantages offered to faculty: interdisciplinary teaching and research, various support programs, promotion and career-development policies, leave policies, and many other opportunities.
In particular, through its action plan for professional equality between women and men, l'X is committed to promoting gender parity, ensuring equal access to all careers, and guaranteeing equal working conditions, pay, and career advancement opportunities regardless of gender. L'X aims to reach 40% women among new full-time faculty hires across all departments—a goal achieved in 2025. Benefits in terms of gender equality include:
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