JustMarkets Tech - Database Administrator
Requirements
• 4+ years of professional experience as a DBA or Database Reliability Engineer • Strong experience with Big Data • Deep expertise in PostgreSQL and MySQL/MariaDB: replication, backup tooling, performance tuning • Production experience with Redis: persistence, replication, Sentinel or Cluster • Production experience with ClickHouse or another columnar database • Experience designing high availability and disaster recovery for databases • Solid Linux skills and scripting (Bash, Python) • Experience with database monitoring and alerting • Will be a plus • Experience with Amazon RDS orAurora • Experience running databases on Kubernetes with operators • Experience with Ansible or Terraform • Experience with SOC 2 or similar compliance controls • Exposure to trading, fintech, or market-data platforms
Responsibilities
• Operate and optimize production databases: PostgreSQL, MySQL/MariaDB, ClickHouse and Redis • Ensure high availability, replication, backup and recovery across all database engines • Run regular disaster recovery tests and meet backup and recovery compliance controls • Tune performance: queries, indexes, configuration, resource limits • Manage ClickHouse for analytics: replication, query limits, workload isolation • Operate Redis for caching and real-time workloads: persistence, replication, failover • Plan capacity and storage growth • Automate database operations with infrastructure-as-code • Review schema changes and migrations with engineering teams, and support moves to the cloud • Take part in on-call and incident response
Benefits
• 20 paid vacation days per year • 10 paid sick leave days per year • Public holidays as per the company's approved Public holiday list • Opportunity to work remotely • Professional education budget • Language learning budget • Wellness budget (gym membership, sports gear and related expenses)
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