Security engineer in cloud environments

As Lead Security Engineer in our Security Engineering team, you will shape how Scout24 secures the products people rely on for important life decisions, the cloud infrastructure behind them and our growing use of AI. This is a hands-on senior individual-contributor role without direct line-management responsibility. You will have the autonomy to set technical direction, lead our most complex security initiatives and turn difficult risks into controls that work at scale. Working closely with Product, Engineering, Platform, Data and AI teams, you will make secure ways of building the easiest ways of building.

• Own the technical direction and engineering outcomes for product, cloud infrastructure and AI security, helping shape the Security Engineering roadmap and priorities.
• Design, implement and evolve reusable controls, guardrails and security-as-code patterns across cloud, identity, containers, infrastructure as code and CI/CD.
• Lead threat modelling and security architecture reviews for high-impact products, platforms and AI-enabled capabilities, identifying risks early and defining practical mitigations.
• Create paved roads and self-service security capabilities that reduce developer friction and help engineering teams deliver securely by default.
• Use evidence and meaningful metrics to prioritise investments, demonstrate control effectiveness and communicate risk and trade-offs clearly.
• Be a trusted technical authority and escalation point: mentor engineers, challenge constructively and raise security capability across Scout24.

• A strong record of hands-on security engineering and technical leadership in a medium-to-large engineering organisation, with ownership of complex initiatives from direction through implementation.
• Deep expertise in application or cloud security, together with enough breadth across infrastructure, identity, and data security to make sound end-to-end decisions.
• Experience building security controls for cloud-native environments, ideally AWS, including containerised workloads, infrastructure as code, and CI/CD systems.
• Strong software engineering and automation skills. You are comfortable writing production-quality code or tooling using technologies such as Python, Terraform or comparable alternatives.
• Practical experience with threat modelling, secure architecture, and embedding security throughout the software development lifecycle.
• Hands-on experience securing AI-enabled products, LLM applications, agents, machine-learning platforms or supporting data pipelines.
• Experience protecting sensitive data and implementing effective technical controls in environments subject to GDPR, ISO 27001 or comparable requirements.
• Excellent judgement and communication: you can turn ambiguous risks into clear decisions, balance security with customer and operational impact, and influence without relying on formal authority.
• A self-driven, adaptable and pragmatic working style, with the curiosity and continuous-improvement mindset needed in a changing technical and threat landscape.

• A competitive salary package and a bonus on top.
• We offer a hybrid work model with three days of on-site work per week in the office, and you can organize the remaining days as you wish.
• We offer you 30 days of vacation per year.
• We offer you the possibility to work from abroad for 10 days per year, subject to the business requirements of the company and team.
• Our relocation agency supports you with your visa process and an attractive relocation package.
• As an employee you can take advantage of our plus membership for tenants on ImmoScout24 to find a new place to live.
• Dedicated learning time per month, online courses on our ScoutAcademy, regular book challenges, structured feedback, “Lunch & Learn”-Events and individual career paths to push your career to the next level.
• We'll support you with a professional family service, which helps you to find a childcare center or offers emergency childcare.
• Bring your dog to work (upon approval, as we prioritise the well-being of our employees and ensure that our dog policy is considerate of allergic individuals and prevents overcrowding on each office floor).
• We subsidize public transport or Job Bikes.
• We offer a company pension scheme and support your own contribution with an attractive subsidy.
• Our office is barrier-free and in the heart of Berlin right at the central station. It was awarded for the most innovative office concept. We have an own gym with regular courses, napping room, rooftop terrace, organic coffee, cafeteria, 100% green electricity and a massage therapist that comes in once a week.
• Life Situation Coaching, regular health check ups
• We work with the latest technical tools and hardware.