Job Overview
Job description
- Location:
- Cesson-Sévigné, Brittany, France
- Work arrangement:
- On-site
Role Summary
The Defense and Security sector must meet numerous challenges: ensuring the operational efficiency of our customers, designing and providing forces with secure and sovereign solutions in a context where excellence and innovation make our projects successful year after year.
Our dynamic and united team works with a common goal: to support the government ministries and the defense industrial base to respond to its capacity and strategic challenges (digital identity, road safety, logistical and digital support of the different armies, justice, criminal procedures, penitentiary, force command, cybersecurity, informational struggle, etc.) with cutting-edge technology tools.
Are you passionate about cybersecurity, complex technical environments and the challenges of defending critical systems? Our solutions team is waiting for you!
Whether it is MACTAN our sovereign SIEM (and its embedded version), Reveal our high-performance analysis and decontamination station, Datasphere our Data Centric Security solution or even SenSee our basic informational combat platform, we strengthen our teams with passionate experts in the field.
We are looking for a Cybersecurity Engineer to strengthen our teams.
Responsibilities
- Technical environments: You design and develop modules in C, C++, Python, Bash, NodeJS, React, in a Linux environment. You will work in modern environments like Git, GitLab, Docker, Kubernetes and set up CI/CD pipelines to automate deployments.
- Secure developments: You will integrate DevSecOps best practices from the design phases and work with our pentesters during the audit phases in order to continuously strengthen the security of our solutions.
- Business solutions: You will work together with our business analysts to develop solutions with high business value, designed for our clients' operators. In this capacity, you will interact with customer teams in order to feed into our product roadmaps.
- Sopra Steria pays particular attention to the well-being and professional development of developers with the Tech’me Up Community offering, among other things: conference days, boosted PCs for development and training courses dedicated to our technical experts.
- You will be supported by a nearby manager who will support you in your career and orientation choices as well as providing you with a catalog of certifying training courses.
Beyond projects, you will have the opportunity to get involved in local, national or international communities. The themes cover a wide spectrum of innovations, technologies and even life at work and outside (Military Reserve). Enough to develop new skills and satisfy your desire to contribute differently.
Requirements
- Graduate of Bac+5 training from an engineering school, University Master 2 or equivalent, in the field of IT or cybersecurity.
- Proven experience of at least 5 years in a demanding technical environment.
- Strong development skills, offensive/defensive security and open source tools.
- Autonomy, rigor, team spirit and technical curiosity.
Benefits
What we offer you
- A teleworking agreement to telework up to 2 days per week depending on your missions.
- An interesting benefits package: mutual insurance, a CSE, restaurant vouchers, a profit-sharing agreement, vacation bonuses and co-optation.
- Multiple career opportunities: more than 30 job families, so many pathways to imagine together.
- Hundreds of training courses to develop your skills and evolve within the Group
- Independent training platforms to prepare for your certifications and support your personal development
- The possibility of getting involved with our foundation
- The opportunity to join the Tech'Me UP collective (training, conferences, monitoring, and much more...).
- An inclusive and committed employer, our company works every day to fight against all forms of discrimination and promote a respectful working environment. This is why, committed to diversity and diversity, we encourage all applications and all profiles.
- https: //www.soprasteria.fr/nous-connaitre/nos-engagements
About the Company
Sopra Steria, a major player in Tech in Europe, with 52,000* employees in nearly 30 countries, is recognized for its consulting, services and digital solutions activities. It helps its clients carry out their digital transformation and obtain concrete and lasting benefits. The Group provides a global response to the competitiveness challenges of large companies and organizations, by combining in-depth knowledge of sectors of activity and technologies with a collaborative approach. Sopra Steria places people at the heart of its action and is committed to its clients to make the most of digital technology to build a positive future. In 2023, the Group achieved a turnover of 5.8 billion euros.
- Workforce reassessed following the sale of Sopra Banking Software activities in September 2024.
The world is how we shape it**
Sopra Steria (SOP) is listed on Euronext Paris (Compartment A) - ISIN code: FR0000050809
For more information, find us at www.soprasteria.com/fr
**The world is as we make it
- Role:
- Developer IT solutions Cyberdefense - Defense and security – Rennes
- Industry Type:
- Information Technology And Services
- 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