Principal Support Engineer (L3, Edge Network)

What You’ll Do

• Act as the 3rd-level escalation point for complex technical issues related to CDN and Edge Network products.
• Diagnose and resolve advanced issues involving caching, DNS, routing, load balancing, SSL/TLS, and web security.
• Take ownership of high-severity incidents (P1/P2) and drive resolution in collaboration with Engineering, Network, and Operations teams.
• Asist with root cause analysis (RCA) and contribute to preventive measures to reduce incident recurrence.
• Analyze traffic patterns, cache efficiency, and node performance to optimize content delivery.
• Support production changes, maintenance windows, and software upgrades.
• Provide technical guidance and mentorship to L1 and L2 Support Engineers.
• Maintain and improve internal documentation, runbooks, and troubleshooting guides.
• Participate in post-incident reviews and continuous improvement initiatives.

The world’s digital experiences run on something invisible: the infrastructure and software that keep them fast, reliable, and secure. At Gcore,you’ll help design and deliver that foundation for an AI-driven world.

We’re a global provider of infrastructure and software solutions forAI, cloud, network, and security,powering everything from real-time communication and streaming to enterprise AI and secure web applications. With210+ edge locations, 50+ cloud regions, and thousands of GPUs,your work here can reach users and businesses across the globe.

You’ll collaborate with leading technology partners such asIntel, NVIDIA, Dell, and Equinix,and work on platforms that power digital products used around the world. Our vision is simple: to connect the world to AI, anywhere, anytime.

Want to work on technology that goes beyond a single product or industry?Join a global team of550+ professionalsbuilding infrastructure and software that supports the entire digital ecosystem.

We are currently looking for a Principal Support Engineer (L3, Edge Network).