CS GROUP

Company Name: CS GROUP
Job Title: Stage - Intégrateur/trice Système - Outil d'aide aux analyses de Sécurité ATM - BU Défense & Sécurité - Le Plessis-Robinson
Job Description: Job Title Intern – System Integrator, ATM Security Analysis Tool – Defense & Security Business Unit Role Summary End‑of‑study internship to design and prototype an Air Traffic Management (ATM) security analysis tool that supports the evaluation of military airfield control (CLA) deployments. The intern will work in a multidisciplinary project team to define data models, build an operational mock‑up, and demonstrate the tool to users and stakeholders. Expectations - Complete the internship successfully within the agreed timeframe. - Deliver a functional prototype that can be reused for industrialisation and deployment on client sites. - Demonstrate the tool to users and assist in validating results on a representative factory platform. Key Responsibilities 1. Analyse user requirements and existing prototype to define tool functions and data structure. 2. Design data model for capturing: system functions, feared events, initial and final severities, risk‑reduction measures, etc. 3. Develop an operational mock‑up enabling data entry, verification, and synthesis of results. 4. Prepare and deliver user demonstrations and support validation on a representative platform. 5. Collaborate with software, systems, and operational teams to ensure integration and alignment. Required Skills - Strong analytical and organisational skills with ability to prioritise tasks. - Basic knowledge of ATM and security analysis concepts. - Experience or competence in data modelling and prototype development (e.g., using UML, Excel, or scenario simulation tools). - Proactive, autonomous work style and good communication abilities. Required Education & Certifications - Engineering degree (Bachelor’s +5) or Master’s in engineering with a focus on security, air traffic management, or related field. - Final‑year internship or equivalent project experience. ---

Le plessis-robinson, France

Hybrid

04-11-2025

Company Name: CS GROUP
Job Title: Stage - Intégrateur/trice Système - Détection avancée de situation critique dans l'établissement de la situation aérienne - BU Défense & Sécurité - Le Plessis-Robinson
Job Description: **Job Title** Internship – System Integrator, Critical Situation Detection (Aviation) **Role Summary** An engineering internship focused on the configuration, supervision, and real‑time signal interpretation for a critical military airport control system. The candidate will develop and validate a demonstrator that detects unsafe situations such as dual runways, radar anomalies, and excessive latency, using weak signal analysis and system integration techniques. **Expectations** - Complete all internship milestones within the scheduled period. - Deliver a fully functional demonstrator validated on a representative factory platform. - Collaborate with multidisciplinary team members (software, system, operations). - Apply rigorous prioritisation and autonomous execution to meet deadlines. - Produce clear documentation of integration tests and system behaviours. **Key Responsibilities** 1. Identify and classify critical scenarios for CLA Version 2 and Version 3. 2. Analyse and formalise potential instrumentation methods for plot reception and PMR track‑synthesis. 3. Evaluate integration feasibility and supervision architecture. 4. Design, implement, and test a demonstrator that interprets weak signals in real time. 5. Validate results on a factory‑representative simulation platform. 6. Document findings, integration steps, and performance metrics comprehensively. **Required Skills** - Strong analytical and problem‑solving abilities. - Understanding of real‑time systems and aviation control concepts. - Ability to manage priorities, work autonomously, and adapt to evolving requirements. - Excellent written and verbal communication. - Proficiency in a programming/scripting language relevant to system integration (e.g., C++, Python). - Basic knowledge of data fusion and signal processing is a plus. **Required Education & Certifications** - Engineering degree (Bac +5) or Master’s in Engineering, Systems, or a related field with a specialization in Artificial Intelligence. - Internship to be completed as part of final study requirements. ---

Le plessis-robinson, France

Hybrid

04-11-2025

Company Name: CS GROUP
Job Title: Développeur/se fullstack Java expérimenté/e - Cybersécurité - Le Plessis-Robinson
Job Description: **Job Title** Experienced Fullstack Java Developer – Cybersecurity **Role Summary** Develop and maintain secure, high‑performance services for a sovereign cybersecurity platform. Work collaboratively on the Trusty suite, delivering end‑to‑end solutions that protect data exchange, access, and infrastructure. **Expectations** - Minimum 5 years of Java development experience. - Proven ability to design, implement, and test complex software components. - Strong communication skills; able to document solutions and discuss requirements with clients. - Team‑oriented mindset with problem‑solving aptitude. **Key Responsibilities** 1. Produce technical specifications and design documents. 2. Develop and write unit & integration tests. 3. Implement code, perform debugging, and ship production‑ready releases. 4. Participate in client technical meetings and provide status updates. 5. Follow DevSecOps practices, ensuring code quality and security compliance. **Required Skills** - **Backend**: Java JEE, Spring Framework, Hibernate, PostgreSQL. - **Frontend**: JavaScript, React. - **Tools & DevOps**: Git, Jenkins, Maven, SonarQube, Selenium, Docker, VMWare, Linux. - **Cybersecurity**: X.509 certificates, PKI, encryption (PaDES/XaDES), BouncyCastle library. **Required Education & Certifications** - Bachelor’s degree or higher (Bac+5) in Computer Science, Software Engineering, or related field. - Certifications in Java, Spring, or cybersecurity (e.g., CISSP, CISA, or equivalent) are a plus but not mandatory.

Le plessis-robinson, France

On site

Mid level

05-11-2025

Company Name: CS GROUP
Job Title: Ingénieur(e) Développeur(euse) C/C++ - Industrie - Grenoble
Job Description: **Job title** C/C++ Embedded Systems Engineer – Industry **Role Summary** Develop and validate safety‑critical embedded software for industrial and nuclear applications. Work in a V‑cycle environment, implementing unit tests, result oracles, code generation, and documentation in accordance with IEC 60880/62138 standards. **Expectations** - 3+ years of software development in automotive, aerospace, or nuclear sectors. - Proven experience with safety‑critical, Level A classified software. - Strong knowledge of V‑cycle software life‑cycle practices. **Key Responsibilities** - Design and implement unit tests for functional blocks that cannot be tested on physical hardware, using VectorCAST on Windows and Solaris. - Write test result oracles in C or VBA. - Generate embedded C code for a range of legacy processors. - Validate software on SAGA/SCADE boards and perform verification on test benches. - Prepare test scenarios, validation documentation, and maintain traceability. - Create and maintain documentation (validation plans, test reports, software specifications). **Required Skills** - Proficient in C (embedded) and familiar with VBA. - Experience with VectorCAST, GCC compiler, SAGA/SCADE, and TeamCenter 10. - Knowledge of IEC 60880 and IEC 62138 security control standards. - Operating systems: Windows, Solaris. - Strong analytical, communication, and teamwork skills. **Required Education & Certifications** - Bachelor’s or Master’s degree (Bac+5) in Computer Science, Electrical Engineering, or related field. - Familiarity with safety‑critical software certification processes (e.g., IEC standards).

Grenoble, France

On site

Junior

06-11-2025

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