network engineer in cloud security

Zscaler accelerates digital transformation by helping customers become more agile, efficient, resilient, and secure. Its Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications. The platform is distributed across public and private exchanges and is the world’s largest in-line cloud security platform.

• Take ownership of deploying, monitoring, and operating global production infrastructure across data center locations
• Plan, implement, document, and manage data center cabinet layouts and power density
• Oversee server capacity deployments and integrate infrastructure with automation for global scalability and optimized resource utilization
• Collaborate with project management and engineering development teams on service requirements and hardware integration
• Coordinate hardware, software, and network resources across functional teams
• Provide technical guidance and troubleshoot complex data center infrastructure issues
• Participate in technical on-call rotations, including weekend and holiday support

• Minimum 8 years of hands-on experience with high-speed networks (10G to 100G+)
• Expert-level BGP routing and troubleshooting for IPv4/IPv6 in large-scale environments
• Strong remote data center operations experience, including device configuration, fiber debugging, and patching issue resolution
• In-depth understanding of core networking concepts, including TCP/IP stack performance
• Practical experience with IP packet analysis using Wireshark or similar tools
• Foundational knowledge of AI/ML technologies and experience applying, securing, or positioning AI-driven solutions within the functional domain
• Ability to manage complex priorities across ticketing and inventory systems
• Strong written and spoken English skills
• Relevant organizational experience or a Bachelor’s Degree in Computer Science Engineering
• Будет плюсом: additional language skills, experience designing and optimizing high-performance, low-latency network infrastructure for AI training workloads, HPC environments, and GPU cluster interconnectivity, a strong Linux/Unix background, shell, Python, or Perl scripting/programming skills, deep expertise in DNS, HTTPS, GRE, and IPsec, automation of large-scale end-to-end deployments, CCIE Enterprise Infrastructure/Service Provider, JNCIP-ENT, JNCIP-SP, or similar certifications

• Base salary range: €91.000 — €130.000 EUR; excludes commission/bonus/equity (if applicable) and benefits
• Weekend and holiday on-call rotations
• Benefits include various health plans, vacation and sick time off plans, parental leave options, retirement options, education reimbursement, and in-office perks