system administrator in iGaming

The company’s client operates an iGaming and online casino platform in Limassol, Cyprus. Its infrastructure supports production and staging environments, cloud services, web servers, databases, CI/CD pipelines, monitoring systems, and integrations with game providers, payment providers, and other third-party services.

• Manage and maintain Production, Staging, and Development environments;
• Administer, secure, and optimize Linux servers;
• Ensure 24/7 platform availability, performance, and stability;
• Monitor infrastructure, APIs, databases, and network services;
• Detect, investigate, and resolve production incidents;
• Configure and manage Cloudflare services, including DNS, SSL/TLS, WAF, DDoS protection, firewall rules, rate limiting, bot management, and load balancing;
• Manage primary domains, mirror domains, and reverse proxy configurations;
• Build, improve, and maintain CI/CD pipelines;
• Manage Docker containers and Kubernetes infrastructure where applicable;
• Automate deployments, rollback procedures, and infrastructure operations;
• Manage backup, replication, disaster recovery, and business continuity processes;
• Implement monitoring, logging, and alerting solutions;
• Protect infrastructure against DDoS attacks, brute-force attempts, bots, scraping, and other security threats;
• Manage IP whitelisting for payment providers, game providers, and business partners;
• Securely manage secrets, API keys, SSL certificates, and service accounts;
• Collaborate with Developers, QA Engineers, Product Managers, and external providers;
• Prepare infrastructure documentation and Root Cause Analysis reports after major incidents;
• Design better operational processes, automate repetitive work, minimize downtime, and maintain platform security and high availability.

• 3–5 Years of experience as a System Administrator or DevOps Engineer;
• Advanced Linux administration skills;
• Strong experience with Nginx;
• Excellent knowledge of TCP/IP, DNS, HTTP/HTTPS, SSL/TLS, and networking;
• Hands-on experience with Cloudflare;
• Experience with AWS, Google Cloud, Azure, or similar cloud platforms;
• Practical experience with Docker;
• Experience building and maintaining CI/CD pipelines;
• Knowledge of Infrastructure as Code tools such as Terraform and Ansible;
• Bash and/or Python scripting skills;
• Experience using Git;
• Experience with monitoring tools such as Prometheus, Grafana, Zabbix, Datadog, or New Relic;
• Experience with logging platforms such as ELK Stack, Loki, Graylog, or Splunk;
• Experience managing PostgreSQL or MySQL databases;
• Understanding of backup, replication, Disaster Recovery, and High Availability architectures;
• Strong understanding of infrastructure security best practices;
• Ability to troubleshoot and resolve production incidents independently;
• Good written and spoken English;
• Nice to have: Previous experience in iGaming, FinTech, Payments, or other high-load environments, Kubernetes administration, AWS CloudFront, Route53, EC2, RDS, S3, and Load Balancers, CrowdSec, Fail2ban, IDS/IPS, or SIEM platforms, PCI DSS and ISO 27001 knowledge, VPN, Bastion Host, and Zero Trust architectures, database clustering and read-replica environments, geo-blocking, mirror website infrastructure, and traffic routing, IP whitelist integrations for providers, on-call production support experience.

• On-site position in Limassol, Cyprus;
• Relocation to Limassol, Cyprus is required for the on-site role;
• Hybrid or remote format may be considered only in exceptional cases.