Corestar - we are a software development company that helps businesses grow, optimize, and innovate through custom technology solutions. With a strong presence in the EU and a headquarters in Limassol, Cyprus, we combine deep technical expertise with a strategic, business-driven approach.
Requirements:
• 5+ years of experience as a DevOps Engineer.
• Strong Linux administration (systemd, shell, filesystems, performance, security).
• Deep networking knowledge: TCP/IP, DNS, HTTP(S), TLS, VPNs, load balancing, proxies/ingress.
• Cloud platforms (AWS, GCP, or Azure): VPC/networking, IAM, compute, storage.
• Containerization & orchestration: Docker, Kubernetes (deployment, scaling, Flux/Helm/Kustomize).
• Infrastructure as Code: Terraform (preferred); config management with Ansible/Puppet.
• CI/CD: design and maintain pipelines (GitLabCI, ArgoCD etc.).
• Observability & incident response: Prometheus/Grafana, ELK/EFK, tracing; on-call/IR practices.
📌 Nice to have:
• Hands-on AWS (VPC/IAM, EKS, ALB/NLB, WAF, Route 53, S3) in production.
• Service mesh expertise (Istio) and advanced K8s networking (CNI, NetworkPolicies, ingress/egress hardening).
• Expertise in networking troubleshooting & performance tuning (eBPF; L3–L7 bottlenecks).
• Kafka administration (cluster sizing, partitions/replication, ACLs, monitoring, tuning).
• ClickHouse operations (replication/sharding, HA, backup/restore, query/performance tuning).
📌 Benefits:
🏝️ 24 working days of paid annual leave
🤝 6 days of paid sick leave
🖊️ Official employment
📄 Medical insurance
☕️ Coffee zone with fruit & snacks available in the office
🥗 Corporate Lunch provided by the company
💪 Gym and sports classes
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