Security Software Engineer / Architect (M/W/D) - [26143]

CS GROUP, together with HE Space and Sopra Steria, has been successfully providing digital end-to-end systems and engineering services for more than 40 years. With over 2000 employees worldwide, we combine advanced and unique skills in both information technology and space data engineering. We combine entrepreneurial agility with cutting-edge technological expertise. CS GROUP is a leading provider of operational systems and an important and trusted long-term partner for space and defence organisations. At CS GROUP, we are driven by innovation and we value our most important asset: our people.

• Design, develop, implement, and test software solutions supporting CYB MNT activities, including vulnerability management, automation, reporting, and cybersecurity operations.
• Contribute to software architecture decisions and define technical solutions aligned with project requirements.
• Support the complete software development lifecycle, including requirements analysis, design, implementation, testing, deployment, and maintenance.
• Guide and mentor software development team members regarding development practices, architecture, and technical approaches.
• Collaborate closely with Cyber Security Managers and Team Leads to ensure software solutions are aligned with customer needs and cybersecurity requirements.
• Develop and maintain technical documentation, including software architecture documentation, coding standards, project documentation, and operational procedures.
• Promote best practices in software engineering, including Agile methodologies, Test-Driven Development, Continuous Integration, and CI/CD processes.
• Support the improvement and automation of existing processes through innovative software solutions.

• University degree in Software Development, Computer Science, Cybersecurity, IT Security, or equivalent professional experience.
• Minimum 5 years of experience in software development and/or software architecture.
• Strong knowledge of software engineering principles, including software architecture, full-stack development, OOP, Agile methodologies, TDD, RESTful APIs, CI/CD, and containerization.
• Advanced programming skills in Python, including experience with frameworks such as Django, FastAPI, or Flask, and libraries such as pandas and NumPy.
• Experience with complex database design and management using technologies such as PostgreSQL, MySQL, and MongoDB.
• Knowledge of containerization and DevOps technologies, including Docker, Docker Compose, Git, and GitLab CI/CD.
• Familiarity with frontend technologies (JavaScript, HTML, CSS), scripting (Bash, PowerShell), and Linux/Windows server administration.
• Experience in cybersecurity architecture, vulnerability management, or security monitoring environments is considered an advantage.

This role is based in  Weßling-Oberpfaffenhofen, Germany.

If you believe you have what it takes for this position, please send your CV (in English and in Word or PDF format) to Andrés Izquierdo by clicking on the ‘Apply for this job’ button and quoting job reference.

An exciting and dynamic international working environment awaits you!

Last apply date: 15/09/2026!