Senior Infrastructure Engineer

Senior Infrastructure Engineer at TrafficStars, Limassol, Cyprus. Full-time office role with 6,000–7,100 EUR net monthly salary plus annual bonus. High-load ad network with 1M+ req/sec, 500+ servers, and ClickHouse cluster. Relocation with family support.

TrafficStars is a high-load advertising network operating for 10+ years internationally. It registers over 7 billion events per day in a 3.6 PB ClickHouse cluster, runs 500+ servers in European and US data centers, and handles over 1 million requests per second at peak. Responsibilities: - Develop and support IT infrastructure in a high-load geo-distributed project - Ensure uninterrupted operation of infrastructure and services - Maintain bare-metal Kubernetes clusters - Maintain ClickHouse, Kafka, PostgreSQL, and Aerospike clusters - Automate processes - Identify potential issues and participate in creating solutions to eliminate them - Search, test, and implement new solutions to optimize processes and improve service quality

Must have: - Linux server administration experience - Kubernetes administration experience - ClickHouse, PostgreSQL, Redis administration experience - Experience with message brokers (Kafka) - Understanding of IaC principles - Prometheus stack - ELK/EFK Nice to have: - Experience with Aerospike - GitLab CI experience - Automation with Ansible - Proficiency in any programming or scripting language (Python, Bash, Go, etc.)

Offers: - No dress code or bureaucracy - Work laptop choice: Mac or PC - Company-paid tickets to Cyprus - Relocation assistance for family from any region - Work visa for employee and guest visa for family members - Accommodation for the first month - Medical insurance and mobile communication - Free lunches and drinks - Fruit and snacks in the office - Free English and Greek language courses - Sports activity reimbursement - Partial payment for schools and kindergartens