Site Reliability Engineer (Cybersecurity)

TL;DR

Site Reliability Engineer (Cybersecurity): Designing, developing, and fine-tuning defense logic to effectively mitigate complex DDoS attacks across network and application layers with an accent on optimizing threat detection pipelines and automating operational tasks. Focus on developing robust APIs for defense integration and managing high-availability defense infrastructure, including on-call service.

Location: Hybrid in Karlsruhe or Berlin, Germany

Company

hirify.global is the leading European digitalization partner for small and medium-sized businesses, providing cloud infrastructure, cloud services, and hosting services across 18 markets.

What you will do

• Design, develop, and fine-tune defense logic to effectively mitigate complex DDoS attacks.
• Optimize and enhance current pipelines for automated threat detection, mitigation, and comprehensive reporting.
• Collaborate with system administrators to drive the automation of operational tasks and infrastructure provisioning.
• Develop and maintain robust APIs/interfaces for seamless integration of defense capabilities.
• Manage and troubleshoot high-availability and complex defense infrastructure, including active participation in a rotating on-call service schedule.

Requirements

• Degree in Computer Science or a comparable educational background.
• Ability to communicate fluently in English with an international team is required.
• Several years of experience in system-near development of highly available, scalable software using Go, C, Python, PHP, or Bash.
• Experience in writing application logic with Lua scripting, particularly with NGINX.
• Practical hands-on experience operating and configuring NGINX as a reverse proxy, load balancer, or Web Application Firewall (WAF).
• Deep commitment to Infrastructure as Code (IaC) and automation.
• Familiarity with advanced networking concepts, including BGP, flowspec, anycast routing, and Linux systems.
• Excellent analytical skills for evaluating complex DDoS attacks and designing countermeasures.

Nice to have

• German language skills.

Culture & Benefits

• Hybrid working model and flexible hours through trust-based working hours.
• Subsidized canteen and various free drinks at some locations.
• Modern office space with very good transport connections.
• Various employee discounts for activities and products.
• Employee events such as summer and winter parties, and workshops.
• Numerous training and development opportunities.
• Various health offers, such as sports and health courses.