Security Software Engineer / Architect (Cybersecurity)

TL;DR

Security Software Engineer / Architect (Cybersecurity): Designing, developing, and maintaining software solutions for vulnerability management, cybersecurity operations, automation, and reporting with an accent on Python, software architecture, databases, and CI/CD. Focus on defining secure technical architectures, automating complex cybersecurity processes, and guiding development practices across the full software lifecycle.

Location: Based in Weßling-Oberpfaffenhofen, Germany

Company

CS GROUP, together with HE Space and Sopra Steria, provides digital end-to-end systems and engineering services for space and defence organisations, combining information technology with space data engineering.

What you will do

• Design, develop, implement, and test software supporting vulnerability management, cybersecurity operations, automation, and reporting.
• Contribute to software architecture decisions and define technical solutions aligned with project and customer requirements.
• Manage activities across requirements analysis, design, implementation, testing, deployment, and maintenance.
• Guide and mentor developers on architecture, development practices, and technical approaches.
• Collaborate with Cyber Security Managers and Team Leads to align solutions with cybersecurity requirements.
• Maintain technical documentation and improve processes through automation.

Requirements

• University degree in Software Development, Computer Science, Cybersecurity, IT Security, or equivalent professional experience.
• At least 5 years of experience in software development and/or software architecture.
• Strong knowledge of software architecture, full-stack development, object-oriented programming, Agile, TDD, RESTful APIs, CI/CD, and containerization.
• Advanced Python skills, including Django, FastAPI, or Flask, plus pandas and NumPy.
• Experience with complex database design and management using PostgreSQL, MySQL, and MongoDB.
• Knowledge of Docker, Docker Compose, Git, GitLab CI/CD, frontend technologies, scripting, and Linux/Windows server administration.

Nice to have

• Experience with cybersecurity architecture, vulnerability management, or security monitoring environments.

Culture & Benefits

• Full-time position with a 12-month duration.
• International working environment.
• Opportunity to work on systems supporting space and defence organisations.
• Last application date: 31 August 2026.