Senior Database DBA

Job Title : Senior Database DBA – MemSQL / SingleStore

Location : New Jersey / Irving, TX / Tampa, FL

Role Overview

We are seeking a Senior MemSQL / SingleStore Cluster Administrator to own and manage mission-critical, large-scale distributed database platforms. This role requires a pure Database Administrator (DBA) with deep expertise in handling petabyte-scale data, complex distributed clusters, and real-time latency-sensitive workloads.

Core Technical Expectations

Experience handling petabytes of data ingested every 15 minutes in large-scale environments.

Strong expertise managing large MemSQL / SingleStore clusters (multi-node, multi-TB to multi-PB).

Deep understanding of data distribution across aggregators and leaf nodes.

Expertise in :

• Partitioning and shard key strategy
• Data skew mitigation
• Hot partition resolution
• Worker node and leaf node optimization

Strong table-level knowledge including :

Strong understanding of different MemSQL / SingleStore versions and corresponding architectural / feature changes.

Key Responsibilities

End-to-end ownership of large MemSQL / SingleStore clusters (design, build, upgrade, operate, decommission).

Architect and maintain High Availability (HA) and Disaster Recovery (DR) setups including :

Plan and execute :

Proactively monitor cluster health, throughput, latency, and capacity; define and maintain SLAs.

Perform advanced performance tuning :

Implement backup / restore strategies and regularly test DR & failover.

Lead incident response and perform deep root cause analysis.

Enforce database security best practices :

Drive automation using scripting (Python / Bash) and Infrastructure as Code.

Maintain documentation, operational runbooks, and standards.

Evaluate new MemSQL / SingleStore features and lead version upgrades and migrations .

Required Experience & Skills

10+ years of total database engineering / administration experience.

4–5+ years of deep, production-grade experience administering MemSQL / SingleStore clusters at scale.

Strong hands-on experience with :

Excellent communication skills with ability to lead production calls and explain technical trade-offs clearly.