System Administrator
Part-time
Synctalents International Corporation
Duties and Responsibilities - Database Management: Install, configure, upgrade, and maintain PostgreSQL database systems across development, staging, and production environments.
- Performance Tuning: Monitor database performance, identify bottlenecks, and optimize query execution plans, indexing strategies, and database parameters.
- High Availability & Disaster Recovery: Design, implement, and test Backup/Restore strategies, Point-in-Time Recovery (PITR), and High Availability (HA) architectures using streaming replication and tools like Patroni or repmgr.
- Security & Compliance: Manage database access, user roles, and permissions. Implement encryption at rest and in transit, and ensure compliance with relevant data security standards.
- Monitoring & Alerting: Set up and maintain database monitoring tools (e.g., Prometheus, Grafana, pgAdmin, Datadog) to ensure system health and proactively address issues before they impact users.
- Automation & Infrastructure as Code: Automate routine database tasks (provisioning, backups, patching) using scripting (Python, Bash) and configuration management tools (Ansible, Terraform).
- Collaboration: Partner with backend engineers to review schema designs, assist with complex database migrations, and educate the team on database best practices.
- Troubleshooting: Serve as the primary point of contact for database-related incidents, participating in an on-call rotation to ensure 24/7 uptime.
Required Skills & Qualifications
- Experience: 3+ years of hands-on experience as a Database Administrator specifically focused on PostgreSQL.
- Core Knowledge: Deep understanding of PostgreSQL architecture, MVCC, vacuuming, indexing, and partitioning.
- High Availability: Proven experience setting up and managing PostgreSQL replication, clustering, and connection pooling (e.g., PgBouncer, HAProxy).
- Backup Solutions: Proficiency with PostgreSQL backup and recovery tools such as pgBackRest, Barman, or WAL-G.
- Operating Systems: Strong Linux/Unix administration skills and familiarity with the command line.
- Scripting: Ability to write and maintain scripts in Bash, Python, or Go for automation.
- Problem Solving: Excellent analytical skills with a track record of resolving complex database performance issues.
Vacancy posted 7 days ago
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