Site Reliability Engineer - PostgreSQL (Remote)
Our Client, a multi-national telecommunications technology is seeking an experienced Site Reliability Engineer (SRE) with hands-on PostgreSQL to join their Data Center Engineering team. This role requires a technically strong and operationally mature engineer who will help design, scale, and maintain the reliability of our client's physical and virtual data center infrastructure. You will be a technical leader responsible for ensuring system uptime, optimizing capacity and performance, and contributing to long-term infrastructure resiliency. Key Responsibilities: - Design, implement, and maintain PostgreSQL databases, including schema design, indexing strategies, query optimization, logical/physical replication, hot standby failover, and load balancing. - Develop and execute backup and recovery strategies, including pg_dump, pg_basebackup, WAL archiving, point-in-time recovery (PITR), and disaster recovery planning. - Monitor and optimize database performance, resource utilization, and storage growth using pg_stat_statements, EXPLAIN ANALYZE, pg_top, and Prometheus/Grafana dashboards; proactively troubleshoot performance bottlenecks. - Ensure database security through role-based access control (RBAC), audit logging with pgaudit, and compliance with regulatory standards. - Implement high availability (HA) and disaster recovery (DR) solutions using Patroni, streaming replication, synchronous/asynchronous replication, and failover orchestration. - Plan and execute database version upgrades and apply security or performance patches with minimal downtime, ensuring data integrity and compatibility checks. - Collaborate with application teams, BI developers, and ETL engineers to support data pipelines, optimizing queries, and workflow performance. - Implement monitoring and alerting solutions using Prometheus, Grafana, Zabbix, or Nagios to track database health, query latency, and resource usage. - Manage database user accounts, roles, and privileges to enforce security policies and regulatory compliance, including sudo/OS-level permissions for critical operations. - Conduct capacity planning, workload forecasting, and index/partition tuning to handle anticipated growth and high-concurrency workloads. - Automate database maintenance tasks using Python, Bash, or Ansible scripts, including schema migrations, routine checks, and patch deployment. - Document procedures, configurations, operational runbooks, and PostgreSQL best practices for team knowledge sharing. - Mentor and guide team members on PostgreSQL internals, replication setups, and performance tuning techniques. - Evaluate and recommend new database tools, extensions (like TimescaleDB, pg_stat_statements), and best practices to improve efficiency, scalability, and resilience. If you would like to learn more, please reach out to Elite technical Required Skills Education and Experience - Bachelor's degree in Computer Engineering, Electrical Engineering, Information Technology, or a related technical field. - 4-7 years of experience in database administration and operations. - Experience participating in or leading incident response and postmortem analysis processes. - Previous exposure to hybrid environments integrating on-premise data centers with public or private cloud platforms is desirable. - Experienced PostgreSQL Database Administrator managing production and non-production PostgreSQL environments. - Skilled in backup and recovery, replication, performance tuning, and high availability. - Proven ability to troubleshoot critical issues, automate DBA tasks, and ensure database reliability. Required Skills: - 4+ years of hands-on PostgreSQL administration experience. - Strong SQL and PL/pgSQL expertise; experience with database optimization and indexing. - Hands-on experience with backup, recovery, and HA solutions. - Strong proficiency in Linux and Debian environments. - Proficiency in scripting for database automation. - Excellent analytical, problem-solving, and troubleshooting skills. - Strong communication skills for cross-team collaboration. - Understanding of Oracle and MySQL databases is a plus, but not mandatory.