Job Overview
Job description
- Location:
- Le Plessis-Robinson, IDF, France
- Work arrangement:
- On-site
Role Summary
C++ software development engineer
We are recruiting a C++ software development engineer to join our Defense & Security BU within the Anti-Drone Control and Area Surveillance agency, which provides solutions for the detection, identification and neutralization of illicit drones as well as border perimeter surveillance solutions for state clients in France and abroad. , which provides solutions for the detection, identification and neutralization of illicit drones as well as perimeter surveillance solutions for state clients in France and abroad.
The technical environment
- LINUX development environment (Ubuntu)
- Real-time C++/Qt development
- Source management via Git
- Team under AGILE
At CS, we offer
- An enriching employee experience, supported by a work environment designed to promote flexibility, autonomy and well-being on a daily basis.
- A complete integration path designed to onboard each talent from day one and an Academy to develop your skills, enrich your expertise and build the career paths that suit you.
- A strong societal commitment: more than 3,000 associations supported, an active disability policy, an inclusive culture, a responsible digital approach, and partnerships like Ellesmoving to inspire the female talents of tomorrow.
…and many other benefits to discover by joining us!
Our singularity? The unique alliance between technological expertise, critical projects and human commitment. An innovative and responsible company, we are building an ethical, inclusive and forward-looking environment. Open to all talents, we believe that diversity is an asset.
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Responsibilities
- Participate in specification tasks
- Design and development of the control and command system for our anti-drone product
- Analyzing and fixing bugs
- Writing associated documentation
Requirements
- With Bac +5 training or equivalent, you have initial experience in C++ development. Mastery of Linux environments and the C++ language are essential to the performance of your role.
- Do you enjoy teamwork and are you autonomous and rigorous? Are you proactive and have good communication skills? Then you are the gem we are looking for!
Benefits
Join a company where people, innovation and impact meet.
About the Company
CS, a subsidiary of the Sopra Steria group, is a leading technological player in the design, integration and operation of critical systems. Present in 7 countries with more than 2,600 passionate employees, we intervene at the heart of the issues of sovereignty, security and performance, in strategic sectors such as defense, space, energy, industry, transport, aeronautics and cybersecurity.
Our difference? Unique expertise in real-time systems, sovereign and sustainable solutions, and a strong culture of innovation, driven by 15% of our turnover invested in R&D. We support our clients in the success of their most complex programs, from air traffic control to the fight against drones, including nuclear systems and satellite control centers.
By joining CS, you join a human and innovative company.
- We deliver more than systems, we build trust.
- We go beyond expressed needs, we prepare for tomorrow's challenges.
- More than just experts, we shape innovation.
Committed to your side, serving your critical issues.
Defense & Security Business Unit
Protect territories, anticipate threats.
Our Defense & Security Business Unit is at the heart of national sovereignty issues. With more than 840 employees spread across the country, it designs critical systems for the army and civil aviation. Our teams work on high value-added projects: tactical data links, anti-drone fighting, maritime surveillance, simulation and training, aviation security. Thanks to our expertise and our commitment to international programs, we actively contribute to territorial security.
Joining this Business Unit means contributing to the protection of citizens within a committed collective.
- Role:
- Ingénieur(e) développement logiciel C++ - Défense & Sécurité - Le Plessis Robinson
- Industry Type:
- Defense And Space
- Job Type:
- Full-Time
Company profile
Sopra Steria
soprasteria.comSopra Steria is a European technology company recognised for its consulting, digital services and software development. It helps large companies and organizations carry out their digital transformation by combining knowledge of their sectors and technologies with a collaborative approach. The group has 51,000 employees in nearly 30 countries and achieved a turnover of 5.6 billion euros in 2025. Its subsidiaries include CS Group, which develops and certifies safety-critical systems for the aerospace, electric and autonomous driving industries.
- Company Size
- 50,000 - 100,000 employees
- Headquarters
- Annecy-le-Vieux, France
- Founded
- 2015
- Funding Stage
- Public