Senior Database Reliability Engineer (PostgreSQL, Terraform, AWS)

We are a leading trading platform that is ambitiously expanding globally. Our top-rated products have won prestigious industry awards for cutting-edge technology and seamless client experience. We are continuously seeking talented individuals to join our growing team.

• Bachelor's degree in Computer Science, Information Technology, or related field
• Excellent troubleshooting and problem-solving abilities
• Ability to work independently and manage multiple tasks effectively
• Strong communication and collaboration skills
• Significant experience as a Database Administrator with focus on PostgreSQL and MySQL
• Familiarity with CI/CD pipelines and routine automations
• Proven experience with configuration management tools, preferably Ansible
• Strong scripting skills (e.g., Bash, Python)
• Hands-on experience with Infrastructure as Code (IaC) using Terraform
• Experience with database monitoring tools (e.g., Prometheus, Grafana)
• Solid understanding of Linux operating systems
• Experience implementing and managing load balancing and auto-failover solutions for database systems

Preferred Qualifications:

• Experience with cloud-based database services (e.g., AWS RDS, Google Cloud SQL)
• Knowledge of containerization technologies (e.g., Docker, Kubernetes) and their interaction with databases
• Knowledge of financial audit processes
• Production experience with ClickHouse or MongoDB

Database Administration (Primary Focus: PostgreSQL and MySQL):

• Provision, configure, and maintain PostgreSQL or MySQL database systems (AWS cloud and on-premises)
• Perform database performance monitoring, alerting, and optimization
• Implement and manage database backups, restores, and recovery strategies
• Ensure database security through access controls, encryption, and regular audits
• Troubleshoot database issues and provide timely resolutions
• Plan and execute complicated database upgrades and migrations

Infrastructure as Code (IaC) with Terraform:

• Design, implement, and manage database infrastructure using Terraform
• Automate the provisioning and management of database servers, storage, and related resources
• Maintain Terraform configurations and ensure infrastructure consistency

Configuration Management with Ansible:

• Utilize Ansible playbooks to automate database deployments, configurations, and patching
• Ensure consistent database configurations across all environments
• Develop and maintain Ansible roles for database administration tasks

Linux System Administration:

• Manage and maintain the underlying Linux operating systems hosting the databases
• Perform system monitoring, security hardening, and performance tuning
• Troubleshoot Linux-related issues affecting database performance and availability

Auto Failover Implementation:

• Design, implement, and test automated failover solutions for database systems to ensure business continuity
• Implement and manage load balancing solutions for database traffic to ensure high availability and performance
• Understand and manage DNS configurations related to database accessibility and failover mechanisms
• Work with network teams to ensure proper DNS resolution for database services

Collaboration and Documentation:

• Develop and maintain comprehensive documentation for database configurations, procedures, and disaster recovery plans
• Participate in on-call rotation for critical database issues
• Collaborate with development, operations, and data science teams on database-related projects and initiatives

Applicable for Poland: Our company has an Internal Reporting Procedure available from Human Resources upon request. Violations may be reported under the terms specified therein.