Home / Careers / Expert


An opportunity to build your career

Move forward in line with your goals

CS GROUP has a differentiated position in the digital services market. We are an agile, innovative European mid-sized organisation with an entrepreneurial culture and a high level of technical and core activity expertise.

Joining us means giving yourself the means to move forward and thrive throughout your career by working as part of an enthusiastic team in France or abroad, focused on our core values of engagement, connection and innovation.


A range of opportunities for development!

Project Management network

150 project managers, senior project managers and programme directors.

Honing skills, sharing best practices, developing excellence in project management: these are the challenges our project leaders must embrace to ensure their success.

To support them, CS GROUP has set up a dedicated project management network via a structured training programme including a certification process to validate what has been learned and recognise their talents as part of a career pathway.

Expertise network

200 experts and specialists.

As key assets of the group, experts and architects are grouped together in the Expertise network whose mission is to advise clients and provide them with technological solutions that meet their changing needs in order to guarantee the success of their projects.

Recognised by the French and international scientific and technical community, they regularly take part in seminars and symposia and write publications. In charge of our technology watch and responsible for the state of the art in their respective fields, our experts are also tasked with facilitating skills and knowledge transfer within the organisation.


Because we cultivate our talents!

We give each staff member the means to build their career. We support you in your development choices in terms of role, team, mobility and other aspects of professional development.

Our constant growth allows us to offer our employees more and more development opportunities in France and abroad. Helping you to develop your skills so that you can achieve your goals while improving the performance of the organisation is one of our key priorities.

Your expertise and performance can also give you the opportunity to take part in projects and initiatives that take you beyond your core competencies, adding new skills to your portfolio.


Preparing for the future with our clients

The goal of CS GROUP and our 2,100 employees in France and abroad is to anticipate and prepare for the future by helping our clients carry out their projects successfully today. Innovation is our corporate culture and lies at the heart of our approach to technology and core activities:

  • Active participation in European competitiveness hubs and R&D programmes
  • A portfolio of technological excellence - Cybersécurity, simulation, open source, systems engineering, AI, Big Data Analytics, connected objects
  • Over 10% of turnover devoted to Research & Development
  • A range of innovative products and solutions - Area surveillance: anti-drone technology, HF over-the-horizon radar
    - Tactical data links: tests, operations, training
    - Training systems: Live, Virtual & Constructive
    - Voice communication systems
    - Cybersecurity: SIEM, hardened OS, encryption
    - Geo-information: platform of geo-referenced information
    - Big Data & AI: secure multi-cloud management, processing & visualisation, algorithms
  • A network of state-of-the-art partners

Our core activities & Expertise

Using the best technology on the market to meet our clients’ critical requirements is our constant challenge! Discover our main areas of expertise and examples of how we apply them:



ANSSI partner, certified PASSI and LPM, with CERT, we secure the infrastructures of the most critical industries (nuclear/military) and guarantee the most sensitive information (Lotto, electronic registered mail, notarised signatures, etc.)


Cloud / DevOps

As specialists in multi-cloud approaches we favour opensource environments and cloud complementarity (private, public, etc.) in order to guarantee data sovereignty and protection. This forms part of a DevOps culture that improves the agility of our infrastructures.

Data Intelligence/AI

Data Intelligence/AI

We have developed secure agnostic technology with embedded AI that is adaptable to big data and can be used for terrestrial observation, rescue operations and aeronautics.

Software Development/Embedded Systems

Software Development/Embedded Systems

Whether it be embedded processors, communications software, control/command software or image processing software, we develop standardised mission-critical applications based on a range of technologies: C, C+%, C#, Java, Python, React/AngularJS, etc.

Systems Engineering

Systems Engineering

To build engagement and autonomy, we are able to design complete systems: ground-to-air communication, zone detection/OTH radar, passenger transport communication, etc.

Scientific Core Business

Scientific Core Business

Being close to our customers also entails providing advice and support in specific fields from our experts in neutronics, thermohydraulics, space mechanics, etc. Core activities and computing go hand in hand at CS!

3D/Mixed reality production

3D/Mixed reality production

We allow our clients to simulate their training or even to control their environment via virtual or augmented reality platforms: machine maintenance, training scenarios, 3D operations mapping, etc.

Put your expertise to work!

Consult our latest job offers
Defense and Security, Space, Industry