TechnicAtome

About the Company

TechnicAtome est spécialisée, depuis plus de 50 ans, dans la conception, la réalisation, la mise en service et le maintien en conditions opérationnelles des réacteurs nucléaires compacts. Elle emploie aujourd'hui plus de 2100 salariés répartis sur 8 sites en France, dont près de 90% dans le sud-est. TA offre son expertise en ingénierie nucléaire au service de la propulsion navale, la recherche, la médecine nucléaire et l’énergie. TechnicAtome mène simultanément 3 programmes majeurs de propulsion nucléaire à des stades d'avancement différents (SNA de type Suffren; SNLE 3ème génération et Porte-Avions Nouvelle Génération). TA contribue également à des projets dans le domaine du nucléaire civil, avec le projet de réacteur expérimental RJH (réacteur Jules Horowitz) ou le développement de technologies pour les SMR (small modular réactor).

Listed Jobs

Company Name

TechnicAtome

Job Title

Ingénieur Soutien Logistique Intégré F/H

Job Description

**Job Title:** Integrated Logistics Support Engineer (F/M) **Role Summary:** Provide technical liaison support for the Engineering Directorate, ensuring client support requirements are met during the design and qualification of future heating system equipment. Mediate between design and operational maintenance teams, contribute to technical specifications, supplier evaluations, safety studies, and maintenance procedures. Manage synchronization of logistics support information for equipment and related installation elements, including documentation and software support. **Expectations (Expactations):** - Deliver independent, analytical work with strong synthesis capabilities. - Apply integrated logistics support (ILS) methods and tools throughout the project life cycle. - Demonstrate a solid engineering foundation, including requirement derivation and V‑cycle feedback. - Work effectively across multidisciplinary teams and interact with suppliers and technical managers. - Comply with government security clearance requirements. **Key Responsibilities:** 1. Draft Technical Specifications of Needs (TSN) for equipment and associated purchasing specifications. 2. Evaluate supplier technical offers and Supplier Logistics Information (SLI) dossiers. 3. Validate operational safety studies and maintenance procedures. 4. Confirm technical choices align with material design and maintenance orientation, per heating system support requirements. 5. Consolidate and harmonize SLI studies (maintenance plans, logistics hierarchies, spare parts lists, EMST plans, equipment documentation). 6. Participate in support and maintainability studies for assigned installation bays and architectural elements. 7. Produce technical documentation outputs for release in installation technical modules, covering both hardware and software aspects. **Required Skills:** - Advanced knowledge of ILS concepts, tools, and project implementation. - Proficiency in S600 (risk analysis), S400 (maintenance synthesis), and the V‑cycle methodology. - Experience in writing specifications, evaluating technical offers, and managing SLI documentation. - Strong analytical, problem‑solving, and synthesis skills. - Ability to work autonomously and across multidisciplinary teams. - Familiarity with ASD standards (S1000D, S2000M, S3000L) is advantageous. **Required Education & Certifications:** - Master’s level (Bac+5) engineering degree from an accredited university or engineering school (expertise in complex technical systems and ILS). - Government security clearance (habilitation) required.

Villiers-le-bâcle, France

On site

28-11-2025

Company Name

TechnicAtome

Job Title

Ingénieur Maintien en Condition Opérationnelle F/H

Job Description

**Job Title** Integrated Logistics Support Engineer – Operational Readiness (Male/Female) **Role Summary** Lead integrated logistics support for embarked nuclear heaters on a naval aircraft carrier, driving experience capitalization, maintenance planning, and technical documentation updates to sustain operational readiness. **Expectations** - Deliver a rigorous, data‑driven maintenance programme for the PACdG aircraft carrier. - Ensure timely update and validation of technical maintenance documentation for all in‑service nuclear heaters. - Collaborate closely with Naval Group, the client, and internal stakeholders to optimise maintenance practices and achieve regulatory compliance. **Key Responsibilities** - Own the Integrated Logistics Support (ILS) function: collect, analyse, and capitalise Return‑of‑Experience (REX) data; propose maintenance plan evolutions and optimisation pathways; conduct specific technical studies; coordinate data entry into the Logistics Support Analysis Base (BASL) to produce updated Maintenance Plans (PDM). - Lead the Lot Manager role: coordinate all documentation maintenance actions for in‑service nuclear heaters; gather remarks from Naval Group and clients; define contractual work scopes with local managers; validate priorities with the client. - Manage production tasks across teams, verify format compliance, control deliverable quality, obtain CEA approvals, and distribute documents to Naval Group and the CEA. - Interface with internal teams (Brest, Toulon) and external partners (Naval Group, STXN) to align activities and share best practices. **Required Skills** - Proven experience in ILS or operational maintenance of nuclear heaters, including installation, commissioning, or startup phases. - Strong analytical skills for REX exploitation and maintenance planning. - Excellent technical writing, rigour, methodology, and synthesis. - Effective change‑management capabilities and persuasive communication. - Team‑oriented mindset with the ability to influence cross‑functional stakeholders. **Required Education & Certifications** - Degree in Nuclear Engineering, Mechanical Engineering, or equivalent. - Professional certification or recognised qualification in Integrated Logistics Support is preferred. - Possession of a government‑issued security clearance (ability to obtain) required.

Saint-paul-lez-durance, France

On site

28-11-2025

Company Name

TechnicAtome

Job Title

Stage ingénieur - Amélioration de la modélisation d’un transitoire de pompage primaire (H/F)

Job Description

**Job Title** Engineering Internship – Improvement of Primary Pump Transient Modeling (M/F) **Role Summary** Assume responsibility for evaluating and enhancing numerical models of primary pump transients within a nuclear propulsion reactor. Work with the CATHARE code and system‑level simulators to identify and reduce discrepancies between simulations and test data, thereby improving predictive accuracy for propulsive plant performance. **Expectations** - Gain hands‑on experience with advanced transient simulation tools. - Exhibit self‑direction, analytical rigor, and clear communication. - Deliver concrete modeling improvements that demonstrably reduce simulation–test gaps. - Collaborate within a multidisciplinary engineering team. **Key Responsibilities** 1. Take ownership of CATHARE models for primary/secondary circuits, focusing on primary pumps and variable speed drives. 2. Compare simulation outputs with experimental data to quantify discrepancies (hydraulic, neutronic, etc.). 3. Diagnose the physical origins of observed gaps. 4. Identify and implement modeling levers to limit discrepancies. 5. Validate proposed changes through simulation and assess performance gains. 6. Integrate updated models into the overall system‑level study environment for broader analyses of nuclear propulsion plant phenomena. **Required Skills** - Solid theoretical foundation in nuclear reactor physics and general reactor operation. - Understanding of fluid dynamics and neutronics for transient analysis. - Experience with simulation codes (CATHARE preferred); familiarity with high‑performance computing environments. - Strong analytical, problem‑solving, and quantitative assessment skills. - Effective written and verbal communication. - Self‑motivation, curiosity, and ability to work autonomously within a team. **Required Education & Certifications** - Current student in an engineering or university program with specialization in nuclear engineering or equivalent. - Demonstrated knowledge of reactor physics principles. - Eligibility for government‑issued security clearance (required for working on classified projects).

Aix-en-provence, France

On site

05-12-2025

Company Name

TechnicAtome

Job Title

Ingénieur d'études instrumentation F/H

Job Description

**Job Title** Instrumentation Studies Engineer (M/F) **Role Summary** Design, specify, qualify, and support instrumentation and sensor systems for nuclear propulsion and civil nuclear projects, ensuring their technical compliance, performance, and reliability. Work across all project phases—design, procurement, qualification, and commissioning—while collaborating with multidisciplinary teams. **Expectations** - Deliver technical specifications and qualification plans for instrumentation equipment. - Maintain quality and performance standards for procured sensors and devices. - Analyze operational data from nuclear installations and recommend improvements or supports. - Contribute to obsolescence management and on‑site commissioning activities. - Travel to sites and suppliers for short‑duration fieldwork. **Key Responsibilities** 1. Define and document instrumentation requirements (thermodynamic chains: temperature, pressure, flow). 2. Develop qualification and test procedures; oversee execution and documentation. 3. Liaise with procurement, inspection, and quality teams to ensure compliance. 4. Investigate and analyze technical incidents; propose corrective or preventive actions. 5. Conduct obsolescence studies and recommend replacement strategies. 6. Participate in on‑site commissioning, integration, and hand‑over to operations teams. 7. Produce clear, concise technical reports and operating documentation. **Required Skills** - Master’s (Bac+5) in Instrumentation, Physical Measurement, or related field. - Proven experience with thermodynamic measurement chains (temperature, pressure, flow). - Familiarity with nuclear power plant instrumentation (advantageous). - Strong written communication and technical reporting abilities. - Ability to work independently and collaboratively across multiple disciplines. - Knowledge of procurement, quality assurance, and inspection processes. - Willingness to travel for site visits and supplier engagements. **Required Education & Certifications** - Master’s degree (Bac+5) in Instrumentation, Measurement Science, or equivalent engineering discipline. - Certification in ISO 9001 or equivalent quality systems knowledge. - Familiarity with nuclear safety standards (e.g., IEC/ISO 13974) and HSE regulations. - Additional certifications in instrument calibration or nuclear safety are considered valuable.

Aix-en-provence, France

On site

15-12-2025