Senior Database DBA - MemSQL / SingleStore

Senior Database DBA - MemSQL / SingleStore Qode Irving, TX Job Details Full-time 1 day ago Qualifications Elasticsearch Data replication Server optimization High availability solutions design Improving system uptime or availability IT system monitoring Data retrieval time improvement Bash SQL ELK Stack Database server management Distributed systems Failover clustering Linux System tuning High availability Datadog System performance monitoring

Full Job Description 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: Index strategy Thread management Connection pooling Memory limits Query plan optimization 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: Redundancy levels Availability groups Cross-region replication Plan and execute: Cluster expansion Downsizing Online partition rebalancing Leaf node management with minimal/no downtime Proactively monitor cluster health, throughput, latency, and capacity; define and maintain SLAs.

Perform advanced performance tuning:

Schema design Shard key design Index strategy NUMA and memory tuning Workload management Implement backup/restore strategies and regularly test DR & failover. Lead incident response and perform deep root cause analysis.

Enforce database security best practices:

Authentication & authorization Encryption Auditing Network controls 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:

Aggregators & leaf nodes Licensing and memory limits Cluster expansion & partition rebalancing Replication & failover/failback Proven ability to diagnose: Locking issues Data skew Hot partitions Bad execution plans Strong Linux system tuning knowledge:

CPU/NUMA

affinity Disk & I/O optimization Networking ulimits & OS-level tuning Experience with monitoring & alerting tools: Prometheus / Grafana Datadog Splunk ELK Strong SQL expertise and scripting (Python/Bash). Experience in Cloud/Container environments (AWS/Azure/GCP, Kubernetes) is highly preferred. Excellent communication skills with ability to lead production calls and explain technical trade-offs clearly.