{"id":3522896,"url":"https://alion.io/job/alten-ingenieur-systemes-fluides-hf-3","title":"Ingénieur Systèmes Fluides (H/F)","company":{"id":52934,"name":"ALTEN","domain":"alten.com","url":"https://alion.io/company/alten-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":88,"ghost_share":0,"stale_share":0.977,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-11-03T05:54:40Z"}},"role":"DevOps","role_family":"DevOps","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Nantes, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":23000,"max_usd":50000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":13},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-30T09:00:32Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-03T05:36:28Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Leader de l’Ingénierie et des IT Entreprise Services, ALTEN regroupe 54 000 collaborateurs dont 88% d’ingénieurs. Présent dans 30 pays, le Groupe accompagne la stratégie de développement de ses clients dans les domaines de l’innovation, de la R&D et des systèmes d’information technologiques.\n Contexte du poste\nDans le cadre de programmes navals de défense à forte complexité technologique (bâtiments de surface, sous-marins, systèmes embarqués), nous recherchons un Ingénieur Systèmes Fluides (H/F) pour intervenir sur la conception, l’intégration et le maintien en conditions opérationnelles de systèmes fluidiques.\nMissions principales\nAnalyse des besoins opérationnels et spécification des exigences\nDéfinition de l’architecture fonctionnelle et physique des systèmes fluidiques(hydraulique, pneumatique, carburant, eau, refroidissement, air, fluides spéciaux)\n\nConception et dimensionnement des réseaux fluides (calculs, pertes de charge, sécurité)\nSpécification des équipements (pompes, échangeurs, vannes, tuyauteries, capteurs)\nInterfaces avec les autres disciplines (structure, mécanique, électrique, sûreté)\nParticipation aux revues de conception et à la gestion de configuration\nSuivi de fabrication, d’intégration à bord et des essais (FAT / SAT)\nApplication des normes et standards du secteur naval et défense\n Diplôme d’ingénieur ou équivalent (Bac +5) en mécanique, énergétique, génie des procédés ou systèmes\nExpérience de 2 à 10 ans en systèmes fluides, idéalement en environnement naval, offshore ou industriel complexe\nSolides compétences en hydraulique, thermodynamique et mécanique des fluides\nConnaissance des outils de calcul et de conception (CAO, outils de simulation, Excel technique)\nRigueur, esprit d’analyse, capacité à travailler en équipe projet\nAnglais technique requis\n Environnement de travail\nProjets stratégiques et confidentiels\nEnvironnement industriel exigeant à haut niveau de sûreté\nTravail en mode projet pluridisciplinaire\nPoste basé en France (Bretagne, Normandie ou Pays de la Loire selon projet)\nPourquoi nous rejoindre ?\nVous contribuerez à des programmes navals majeurs participant à la souveraineté nationale, au sein d’équipes expertes et engagées sur des systèmes critiques à haute valeur technologique.\nSi la perspective d'intégrer une entreprise porteuse de projets d'envergure vous motive, alors rejoignez-nous !","description_format":"text","description_chars":2367,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"French","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-30T12:53:43Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely 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