System / Platform Engineer
Puno radno vreme Ugovor

System / Platform Engineer

About the Role

We are looking for an experienced System/Platform Engineer to maintain, optimize, and scale the infrastructure behind our 24/7 iGaming platform.

This is a hands-on technical role covering hypervisors, Linux VM’s, networking, databases, messaging systems, containerized environments, monitoring, automation, and production reliability.

Our company has a dedicated IT team responsible for corporate IT and end-user support. This position focuses exclusively on the infrastructure and services supporting our gaming platform.

Key Responsibilities

Production Infrastructure & Systems Engineering

• Administer and maintain Linux production, staging, and development environments.
• Manage virtualized and on-premises infrastructure.
• Configure and maintain HAProxy and load balancers.
• Troubleshoot networking, connectivity, system performance, and infrastructure-related issues.
• Perform system patching, upgrades, capacity planning, and resource optimization.
• Ensure high availability, scalability, and reliability of critical platform services.
• Install, configure, maintain, and monitor PostgreSQL, MySQL, and other production databases.
• Manage database replication, clustering, high availability, and failover.
• Implement and validate database backups and recovery procedures.
• Monitor and optimize database performance, resource utilization, and storage.
• Troubleshoot connection issues and database incidents.
• Perform database upgrades, patching, configuration tuning, and maintenance.
• Collaborate with backend developers to resolve issues.
• Deploy, configure, administer, and maintain Apache Kafka clusters.
• Monitor Kafka brokers, topics, partitions, replication, consumer lag, and cluster health.
• Ensure Kafka availability, reliability, performance, and fault tolerance.
• Troubleshoot Kafka-related issues, including broker failures, consumer lag, message delivery failures, and performance bottlenecks.
• Perform Kafka version upgrades, broker maintenance, and cluster capacity planning.
• Optimize Kafka performance, storage utilization, and network throughput.
• Collaborate with backend engineering teams to support reliable event-driven services and data pipelines.
• Automate infrastructure provisioning and configuration using Ansible and scripting.
• Improve platform reliability and reduce manual operational tasks.
• Develop automation for routine maintenance, monitoring, and infrastructure management.
• Maintain monitoring and alerting solutions such as Prometheus, Grafana, and ELK.
• Monitor servers, databases, Kafka clusters, and platform components.
• Investigate incidents, analyze root causes, and implement preventive measures.
• Maintain operational documentation and disaster recovery procedures.
• Participate in an on-call rotation for production incidents.
• Manage system access, DNS, certificates, secrets, and infrastructure-level security.
• Perform security patching and support vulnerability remediation.
• Collaborate with Security and Compliance teams to support relevant iGaming requirements.

Required Skills & Experience

• 7+ years of experience in Systems Engineering, Platform Engineering, or Infrastructure Engineering.
• Strong Linux administration and troubleshooting skills.
• Hands-on experience managing production PostgreSQL or MySQL databases.
• Practical experience operating and maintaining Apache Kafka clusters.
• Good understanding of Kafka brokers, topics, partitions, replication, retention, and consumer groups.
• Strong knowledge of TCP/IP, DNS, HTTP/HTTPS, TLS, firewalls, and load balancing.
• Experience with HAProxy or similar technologies.
• Experience with Docker and Kubernetes.
• Experience with infrastructure automation tools such as Ansible or Terraform.
• Bash or Python scripting skills.
• Experience with Prometheus, Grafana, and centralized logging solutions.
• Understanding of high availability, backup and recovery, disaster recovery, and capacity planning.
• Strong troubleshooting skills and experience supporting business-critical production environments.
• Familiarity with ISO 27001/ITIL.

Nice to Have

• Experience in the iGaming, betting, or payments industry.
• Advanced PostgreSQL or MySQL database administration experience.
• Experience with Kafka KRaft mode, Kafka Connect, or Schema Registry.
• Experience with Redis, ClickHouse, RabbitMQ, or MongoDB.
• Knowledge of VMware, Proxmox, or other virtualization platforms.
• Familiarity with CI/CD, Argo CD.
• Experience with distributed systems and microservices architectures.
• Knowledge of SRE principles, observability, and production incident management.

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