Freelance Senior Security Engineer (DRWN)
Job title – Senior Security Engineer
Client Location – Berlin, Germany
Remote work offering – 20% (4 days per week on site)
Client Industry – E-commerce
Contract Length – 6 months (extension possible)
Contract type – Freelance
Project focus
Join the security team of a large online marketplace and take ownership of its edge and web application defense platform. You will tune WAF policies, rules and rate controls to cut attacks and false positives, investigate bot, scraping, credential stuffing and DDoS activity, support security incidents, and roll out configuration changes safely with tracking and rollback. The role also covers building attack reporting and dashboards, feeding findings into alerting, automating recurring tasks via APIs, infrastructure as code or scripting, onboarding new services with engineering teams, and documenting runbooks and rule decisions.
Key skills and Experience required
- Hands-on experience operating Akamai, Cloudflare or a comparable edge/WAF security platform
- Proven WAF rule tuning and false-positive handling in high-traffic environments
- Strong web security knowledge, including OWASP Top 10 and common HTTP attack patterns
- Investigating bot, scraping, credential stuffing and DDoS activity using SIEM, Kibana/ELK or similar
- Scripting in Python, shell or similar to automate security operations
- Hands-on AWS experience
- Understanding of prompt injection and AI-related attack vectors
- Incident response experience
- Fluent written and spoken English; German is a plus
- E-commerce or marketplace background is a plus
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Senior Security Engineer in Berlin Arbeitgeber: Darwin Recruitment
Als Senior SAP SD Consultant in Freiburg im Breisgau oder Weil am Rhein profitieren Sie von einer flexiblen hybriden Arbeitsweise und der Möglichkeit, in einem globalen SAP-Umfeld zu arbeiten. Unser Unternehmen fördert eine offene und unterstützende Unternehmenskultur, die auf kontinuierliches Lernen und persönliche Entwicklung abzielt, während wir innovative Lösungen für die Industrie schaffen. Genießen Sie die Vorteile eines dynamischen Teams, das sich für Ihre berufliche Weiterentwicklung einsetzt und Ihnen die Chance bietet, an spannenden internationalen Projekten teilzunehmen.