Senior Database Administrator
Core
Managing and optimizing mission-critical PostgreSQL infrastructure across data center and AWS environments for trading and analytics platforms.
Role type
Senior Database Administrator (PostgreSQL)
Builds
Highly available database clusters supporting demanding trading and analytics platforms
Domain
Financial technology / Cloud Infrastructure
Deliverable
production ML models | infrastructure
Required skills
PostgreSQL administration, SQL query optimization, AWS services (EC2, RDS, EBS, S3, IAM), Infrastructure as Code (Terraform, Ansible), Linux systems administration, scripting (Bash, Python, Go), high-availability architecture design, backup and recovery strategies, incident response, observability tools (Prometheus, Loki, Grafana, CloudWatch)
Preferred skills
ClickHouse, Timescale Postgres, internal automation tool development
Technologies
PostgreSQL, AWS, Terraform, Ansible, Bash, Python, Go, Prometheus, Loki, Grafana, CloudWatch, Repmgr, Patroni, ProxySQL
Responsibilities
Design, deploy, and maintain PostgreSQL clusters in AWS environments using Infrastructure as Code tools; Develop automation for database provisioning, configuration management, monitoring, and operational processes; Perform database maintenance activities including vacuuming, reindexing, and statistics analysis; Analyze and optimize slow SQL queries, indexing strategies, and database workloads; Design and maintain resilient, highly available PostgreSQL architectures; Implement and maintain robust backup, recovery, and disaster recovery strategies; Monitor and support 24/7 production database systems, participating in incident response and root-cause analysis; Collaborate with SRE, DevOps, and engineering teams to improve database scalability, performance, reliability, and CI/CD integration
Seniority
Senior, hands-on IC