
Amentum Clean Energy France SAS, filiale Française du Groupe Amentum, s’appuie sur son expérience et son expertise en matière de conception, exploitation et maintenance des infrastructures nucléaires afin de répondre au plus près aux besoins de ses clients.
Amentum France accompagne ses clients sur l’ensemble du cycle de vie d’une installation nucléaire, du support à la construction ou au licensing jusqu’au démantèlement, en passant par le support au parc en exploitation (modifications, augmentation de durée de vie, amélioration du niveau de sûreté, …).
Bénéficiant de deux bureaux stratégiquement implantés à Aix-en-Provence et à Paris, ses collaborateurs se composent d’ingénieurs et de cadres de haut niveau.
Dans le cadre de votre mission, vous participez à la coordination et à la supervision des activités d’ingénierie liées à votre périmètre d’intervention. Sous la responsabilité du chef de projet, vous intervenez dans la réalisation des activités nécessaires à l’atteinte des objectifs qualité, coûts et délais sur le(s) projet(s) qui vous sont confiés.
Vos principales missions seront axées sur :
Vous préparez un diplôme de niveau Bac+5 en alternance
Vous êtes doté(e) d’une forte sensibilité technique et d’une forte rigueur en gestion des projets.
Vos capacités d’analyse et de synthèse sont confirmées.
Vous bénéficiez d’une première expérience en management et d’un excellent relationnel.
Une bonne maîtrise de l'anglais est indispensable pour ce poste (niveau C1 CECRL a minima).
Amentum France Compensation Package
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
10/02/2026 - 11/30/2026
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.