INTERNSHIP – Java, C++ – Simulation, Messaging, Surveillance

Thales

. Develop and enhance applications used to test aviation systems and train future operators .

Posted 9/30/2026internshipMassy • FranceEntry LevelWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates proficiency in Java 8 and C++, with experience in developing applications for aviation systems. Familiarity with simulation software, command-and-control systems, and collaboration with UX/UI teams is essential.

Highest-signal resume keywords

Java 8 ProficiencyC++ ProficiencyGit Version ControlLinux Operating SystemSecurity Clearance Eligibility

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java 8C++Message Editor DevelopmentHMI Mock-Up CreationSimulation Software Development

Soft Skills

CuriousIndependentRigorousProactive

Tools & Technologies

IntelliJCLionMavenCMakeBash

Industry Keywords

Aviation SystemsCommand-and-Control SystemsRadar SystemsASTERIX StandardAir Surveillance

Tech Stack

Tools & technologies

JavaLinuxMavenC++

About the role

Key responsibilities & impact

Develop and enhance applications used to test aviation systems and train future operators
Contribute to the reliability of command-and-control systems for air operations and radar systems
Learn to use the simulation software suite, comprising several Java HMIs and a C++ server
Become familiar with the ASTERIX standard used to exchange information in air surveillance
Manage the message editor integrated into the Java HMI
Participate in developing new capabilities for the message editor
Contribute to ergonomic improvements, including collaboration with UX/UI teams, creating HMI mock-ups, developing the selected solutions, and conducting peer reviews

Requirements

What you’ll need

Currently pursuing a Master’s-level degree (equivalent to five years of higher education) in computer science or a related field
Seeking a six-month internship
Proficient in Java 8 and C++
Familiar with tools such as Git, Linux, Bash, and Microsoft Office
Interested in the IntelliJ and CLion integrated development environments
Interested in Maven and CMake build management tools
Curious, independent, rigorous, and proactive
The successful candidate will be subject to a security clearance procedure, as the position may require access to information classified as a national defense secret

Benefits

Comp & perks

Access to our technological expertise
Our commitment to employee work-life balance
An inclusive and supportive environment
A recognized commitment to social and environmental responsibility (Thales Solidarity, CAC 40 ESG index, etc.)
Internship agreement provided
Internship stipend determined according to your level of education