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Principal Support Engineer (L3, Edge Network)
Gcore
- Poland, Ohio, United States
- Poland, Ohio, United States
About
We are currently looking for aPrincipal Support Engineer (L3, Edge Network).
Job Description 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 withroot 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.
Qualifications What We’re Looking For
5+ years of experience in Technical Support, Network Engineering, or Systems Engineering.
Strong understanding of CDN and Edge Network concepts (caching, PoPs, traffic routing).
Solid networking knowledge (TCP/IP, HTTP/HTTPS, DNS, BGP, load balancing).
Hands‑on Linux/Unix administration and troubleshooting experience.
Experience with monitoring and log analysis tools (Grafana, Kibana, Splunk, etc.).
Ability to analyse complex incidents and work effectively under pressure.
Strong communication skills in English (B2 or higher).
Ownership mindset and strong problem‑solving skills.
Nice to have
Experience with CDN providers (Akamai, Cloudflare, Fastly, CloudFront).
Knowledge of DDoS mitigation, WAF, and Edge security concepts.
Automation or scripting experience (Python, Bash).
Working hours are Monday to Friday, 9:00 am to 6 pm, with the expectation of availability during critical incidents outside regular hours.
Additional Information At Gcore, we want you to do your best work and enjoy the journey. Our benefits are designed to support your growth, well‑being, and life beyond work:
Competitive compensation
Flexible working hours and hybrid or remote options, depending on your role
Work from anywhere in the world for up to 45 days per year
Private medical insurance for you and your family*
Extra paid vacation and sick leave days*
Support for life’s important moments and celebrations
Language courses to help you connect and grow
Modern, welcoming offices with snacks, drinks, and entertainment*
Team sports and social activities*
*Benefits may vary depending on your location.
Equal Opportunity Employer We provide equal opportunity to all applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity, gender expression, national origin, disability, or any other legally protected characteristics.
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Languages
- English
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