SRE & DBA: Scale Reliability for High-Volume DBs

Backblaze

United States

Remote

ARS 3,000,000 - 5,000,000

Full time

5 days ago

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Job summary

Backblaze, a leading cloud storage company, seeks a Site Reliability Engineer (DBA-focused) to ensure stability and scalability of production databases, primarily Vitess and Cassandra, while building automation and observability. You will collaborate with engineering, product, and operations teams to embed reliability practices in daily work and drive improvements.

The role involves on-call rotations, incident response, and contributing to runbooks, automation, and capacity planning to maintain

Qualifications

Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
2-4 years of experience in site reliability, systems engineering, or operations centered around database systems.
Exposure to large-scale, production-grade systems. This is a Level 2 role executing established database operations procedures - architecture and design ownership sits with our Level 3 DBA SREs.

Responsibilities

Operating and maintaining high-availability database systems - primarily Vitess (distributed MySQL) and Cassandra - against established architecture and runbooks.
Optimizing database performance through query tuning, indexing strategies, and schema design.
Executing documented backup, recovery, and replication procedures to ensure data durability; escalating architecture-level changes to senior DBA SREs.
Ensuring database security compliance and access control.
Support the availability and durability of critical services across production environments.
Monitor service health using SLIs, SLOs, and error budgets, and upscale issues when thresholds are at risk.
Participate in on-call rotations, incident response, and post-incident reviews to drive service improvements.
Follow established ITIL/OSS processes (incident, change, problem, and capacity management).
Develop automation for common operational tasks, reducing manual intervention and toil.
Contribute to monitoring, logging, and alerting frameworks (Prometheus, Grafana, Catchpoint, ELK), and help integrate runbooks with FireHydrant.
Work with CI/CD pipelines, configuration management, and infrastructure as code tools (Terraform, Ansible, Jenkins).
Write scripts (Bash, Python, Go) to improve system reliability and efficiency.
Partner with engineering, product, and operations teams to support resilient system design and operations.
Assist in capacity planning and disaster recovery exercises.
Work with vendors and service providers to troubleshoot service issues and track SLA performance.
Document systems, share learnings, and help grow a reliability-minded engineering culture.
Contribute to playbooks, runbooks, and operational documentation.
Identify recurring issues and propose long-term improvements.
Promote reliability-focused practices within development and operations teams.