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

Sopra Steria; Weichselbaum; On-site; EUR 90,000 - 120,000; Full time

Job summary

Sopra Steria in Germany seeks a Security Software Engineer / Architect to design, develop, implement and test software supporting CYB MNT activities, including vulnerability management and automation.

Collaborate with Cyber Security Managers to meet customer needs and security requirements; strong Python and full-stack expertise are essential in this international role.

Qualifications

• Bachelor's or Master's degree in Computer Science or equivalent.
• Minimum 5 years of software development and architecture experience.
• Strong knowledge of full-stack development, Agile, OOP and CI/CD.
• Deep Python experience with Django, FastAPI or Flask.
• Hands-on experience with PostgreSQL, MySQL, MongoDB.
• Docker, Docker Compose, Git and GitLab CI/CD implementation.
• Linux and Windows administration experience.
• Excellent organizational and time-management skills.
• Ability to understand complex concepts and adapt quickly.
• High confidentiality and reliability.
• Strong collaboration and communication skills.
• Good English; German a plus.

Responsibilities

• Design, develop, implement, and test software solutions supporting CYB MNT activities.
• Contribute to software architecture decisions and define technical solutions.
• Support the complete software development lifecycle, including requirements, design, implementation, testing, deployment, and maintenance.
• Guide and mentor software development team members on practices, architecture and approaches.
• Collaborate with Cyber Security Managers and Team Leads to align with customer needs and cybersecurity requirements.
• Develop and maintain technical documentation and coding standards.
• Promote Agile methodologies, Test-Driven Development and CI/CD best practices.
• Support process improvements and automation through innovative software solutions.

Skills

Python

Full-stack

OOP

CI/CD

Docker

Git

GitLab CI/CD

Linux/Windows

Architecture

Software design

Django/FastAPI/Flask

PostgreSQL

MySQL

MongoDB

Agile

Education

Bachelor's or Master's in Computer Science

Tools

Docker

Git

GitLab CI/CD

Django

FastAPI

Flask

PostgreSQL

MySQL

MongoDB

Linux

Windows

Job description

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

• Full-time
• Duration (in Months): 12

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.

Necessary Technical Skills

• Completed Bachelor's or Master's degree in Computer Science or an equivalent level of education.
• Minimum of 5 years of relevant work experience or proven experience in software development and software architecture.
• Strong knowledge of software design architecture, full-stack development, Agile methodologies, OOP, and CI/CD practices.
• Deep knowledge of Python, including frameworks (e.g., Django, FastAPI, Flask) and libraries (e.g., pandas, NumPy).
• Practical experience with PostgreSQL, MySQL, and MongoDB.
• Hands-on experience with Docker, Docker Compose, Git, and GitLab CI/CD.
• Administration experience with both Linux and Windows environments.

Nice-to-Have Technical Skills

• Knowledge of networking protocols and security/encryption standards.
• Active Directory administration experience.
• Understanding of security frameworks and industry compliance standards.
• Experience in cybersecurity architecture or vulnerability management is a big plus.

Necessary Soft Skills

• Strong organizational and time-management skills.
• Ability to understand complex concepts and quickly adapt to new projects and technologies; proactive attitude with a strong willingness to self-study.
• High level of confidentiality and reliability.
• Proven ability to work effectively both independently and as part of a team.
• Excellent technical and non-technical communication skills.
• Very good written and spoken English skills; German language skills are an advantage.

This role is based in Weßling-Oberpfaffenhofen, Germany.

An exciting and dynamic international working environment awaits you!

Last apply date: 15/11/2026!