Job ID: 490860 Posted since: 15-Jan-2026 Organization: Cybersecurity Field of work: Cybersecurity Company: Siemens AG Experience level: Mid-level Professional Job type: Full-time Work mode: Hybrid (Remote/Office) Employment type: Permanent Location(s): Lisbon - - Portugal, Madrid - - Spain, Munich - - Germany Making an Impact that Matters! The Siemens Vulnerability Intelligence service enables Siemens businesses to deliver compliant products, solutions, and services while improving vulnerability monitoring workflows. We are developing an automation-centric software solution with an API-first design, cloud-native architecture, and scalable data pipelines to accelerate Siemens' digital transformation. We are seeking a full-stack engineer with attention to detail and strong interpersonal skills to join our international team. You will handle full-stack development of our vulnerability monitoring application, from designing backend APIs to building intuitive frontend interfaces. Ideal candidates possess a strong full-stack development background, API design experience, analytical problem-solving skills, and fluent English and they can collaborate effectively in cross-functional teams. If you have experience and a passion for designing, implementing, and operating efficient solutions —and solid expertise in Ruby and frontend development—we encourage you to apply, even if you don’t meet every other requirement. What we offer you An environment where everyone can bring their whole self to work and feel a sense of belonging. A workplace that values curiosity and guarantees continuous learning, with development opportunities for both personal and professional growth. Share matching programs to become a shareholder of Siemens AG. A wide range of flexible benefits for you and your family to enjoy! Each of over 300,000 team members feels that other benefits are particularly important, we cannot list our entire benefit portfolio here. The individual benefits are subject to regulatory, contractual, or corporate conditions. How you’ll make an impact Contribute to Siemens' leading vulnerability intelligence service, safeguarding vital products and infrastructure around the world. Develop and maintain a web application that support thousands of users in their daily cybersecurity workflows. Design and implement modern backend APIs and intuitive frontend interfaces to enhance the user experience. Drive innovative approaches to delivering vulnerability information and industry-leading solutions. Collaborate with our vulnerability analysis, component monitoring and customer support teams to translate business requirements into reliable technical solutions. Help set the standards for vulnerability intelligence through your creativity, skills, and teamwork. This is how you'll win us over University degree or equivalent in information security, computer science, or engineering. Profound understanding of vulnerability intelligence and cybersecurity concepts. Extensive experience with: Ruby on Rails and its ecosystem. Angular and TypeScript for frontend development. Proficiency in development tools like: Git, Docker, GitLab CI/CD. Hands-on experience in: SQL, database design, and testing frameworks. Sound knowledge of DevSecOps practices and software engineering principles. Self-organized working style, attention to detail, and strong interpersonal skills. Proficiency (written and spoken) in English; German is a plus. BONUS: Experience with cloud administration and automation tools like Ansible or Terraform. You are much more than your qualifications, and we believe in the potential of every single candidate. We look forward to getting to know you! Your individual personality and perspective are important to us. We create a working environment that reflects the diversity of the society and support you in your personal and professional development. Let’s get to know your authentic personality and create a better future together with us. As an equal-opportunity employer we are happy to consider applications from individuals with disabilities. In the case of equal qualifications, severely disabled applicants and applicants with equivalent status will be given preference. About us With its over 450 employees, Siemens Cybersecurity (CYS) works hand in hand with the company’s business units to ensure Siemens’ future. CYS operates its cybersecurity services together with internal and external partners, including industry-leading businesses, promising start-ups or we just do it ourselves! These collaborative endeavors focus on a wide range of future technologies with a view to securing them with our knowledge and operational excellence. In addition, CYS also provides consulting and development services for Siemens’ business units and supports them with methods and tools related to business excellence. We’ve got quite a lot to offer. How about you? Do you want to know more about Cybersecurity at Siemens? Cybersecurity www.siemens.de/careers – if you would like to find out more about jobs & careers at Siemens. FAQ – if you need further information on the application process.