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G-CORE INNOVATIONS SOCIETE A RESPONSABILITE LIMITEE

Principal Support Engineer (L3, Edge Cloud)

G-CORE INNOVATIONS SOCIETE A RESPONSABILITE LIMITEE Show all offers
Senior
Kraków
Expires Sep 24, 2026
25 days ago

In short

Principal Support Engineer (L3, Edge Cloud) in Kraków. Responsibilities: resolve complex Cloud infrastructure issues, investigate incidents, analyze logs, own high-severity incidents, support deployments, mentor junior staff. Requirements: 5+ years experience, strong Cloud, Linux, and one major Cloud platform knowledge.

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Your responsibilities

  • Act as the final escalation point for complex technical issues related to Cloud infrastructure and services.
  • Investigate, diagnose, and resolve advanced incidents involving compute, storage, networking, and virtualization.
  • Analyze logs, metrics, and configurations to identify root causes and implement effective fixes.
  • Own high-severity incidents and coordinate resolution with Engineering, DevOps, SRE, and Operations teams.
  • Contribute to root cause analysis (RCA) and preventive action plans.
  • Support deployment, upgrades, and maintenance of production Cloud environments.
  • Collaborate with Product and Engineering teams to reproduce issues and validate fixes.
  • Mentor and support L1 and L2 Support Engineers.
  • Create and maintain runbooks, SOPs, and technical documentation.

Our requirements

  • 5+ years of experience in Cloud infrastructure support, system administration, or technical operations.
  • Strong understanding of Cloud technologies: Compute (VMs, Containers, Kubernetes), Networking (VPCs, load balancers, routing, DNS, firewalls), Storage (object, block, databases), and Security (IAM, encryption, best practices).
  • Hands-on experience with Linux/Unix systems.
  • Experience with at least one major Cloud platform (AWS, Azure, GCP, OpenStack, VMware Cloud).
  • Familiarity with monitoring and logging tools (Prometheus, Grafana, ELK, Splunk).
  • Strong analytical and problem-solving skills.
  • English level B2 or higher.

Optional

  • Automation and scripting (Python, Bash, PowerShell).
  • CI/CD pipelines and infrastructure-as-code (Terraform, Ansible).
  • Cloud certifications (AWS, Azure, GCP).
  • Knowledge of ITIL incident and problem management.

What we offer

  • 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*

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Published 2026-08-25
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