Stage 6 mois Ingénieur/Cadre/Bac +5 Pas de télétravail

Integration Engineering Intern H/F

IDEMIA IST · Courbevoie (92)

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Publiée le 9 novembre 2026 · En ligne jusqu'au 9 décembre 2026, prolongée tant que l'offre reste ouverte

Contrat
Stage
Durée
6 mois
Niveau
Ingénieur/Cadre/Bac +5
Lieu
Courbevoie, Île-de-France

L'offre

IDEMIA Secure Transactions, a division of IDEMIA Group, is the leading technology provider making it safer and easier to pay and connect. With unmatched expertise in cryptography and credential issuance, IST is trusted by over 2,000 financial institutions, mobile operators, automotive manufacturers, and IoT providers worldwide. Every day, IST secures billions of essential transactions, ensuring the highest levels of data protection and convenience.

We are hiring !

This role is responsible for defining the system integration strategy and configuring, installing and validating IDEMIAs Secure Transactions solutions that best addresses customers' requirements and optimize our business value.

Key Missions:

  • Define integration test plans and test scenarios for Sphere HSM interoperability with third-party applications.
  • Develop, configure and test integrations with third-party solutions, including PKI platforms such as EJBCA, using cryptographic interfaces such as PKCS#11.
  • Ensure requirements traceability and test coverage.
  • Set up and maintain integration and testing environments, including Linux systems, virtual machines and containers.
  • Develop automated tests and contribute to CI/CD pipelines to improve integration testing efficiency.
  • Perform functional, interoperability, performance and high-availability tests.
  • Investigate integration issues, analyze logs, report defects and follow up on their resolution with Engineering teams.
  • Produce technical documentation, including integration guides, configuration procedures and test reports.
  • Collaborate with Product Management, Engineering and technical partners to validate integrations and identify product improvements.
  • Support technical demonstrations and proof-of-concept (PoC) activities when required.

Profil recherché

We are looking for a motivated engineering student interested in cybersecurity, cryptography, and software integration, with a hands-on approach to technical problem-solving.

Education

  • Currently pursuing a Master's degree or engineering degree (Bac +4/5) in Computer Science, Software Engineering, Cybersecurity, or a related field.
  • Looking for a 5-6 month internship.

Technical Skills

  • Good programming skills in Python, Java, or C/C++.
  • Good knowledge of Linux environments.
  • Familiarity with software integration, APIs, and testing methodologies.
  • Basic understanding of cryptography, PKI, and digital certificates.
  • Familiarity with Git, Docker, or automated testing tools is a plus.

Nice to Have

  • Knowledge of Hardware Security Modules (HSMs) and PKCS#11.
  • Familiarity with OpenSSL or other cryptographic solutions.
  • Experience with CI/CD pipelines and test automation.

Offres proches