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Gcore logo
Gcore

Powerful edge and cloud solutions for media business and the entertainment industry

Principal Support Engineer, L3, Edge Network

Support EngineerSupport EngineerFull TimeRemoteLeadTeam 201-500H1B No SponsorCompany SiteLinkedIn

Location

Cyprus

Posted

133 days ago

Salary

0

Seniority

Lead

Bachelor Degree5 yrs expEnglishDNSGrafanaLinuxNode.jsPythonSplunkTCP/IPUnix

Job Description

Principal Support Engineer, L3, Edge Network

Gcore

• 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. • Assist 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.

Job Requirements

  • 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).

Benefits

  • 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*

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