Lead Software Engineer

Virtusa; Phoenix (AZ); In loco; USD 120.000 - 180.000; Tempo pieno

Descrizione del lavoro

Virtusa in Phoenix, AZ seeks a seasoned Cassandra DBA to design, optimize, and scale distributed NoSQL clusters. You will handle cluster expansion, capacity planning, and performance tuning across multi-tenant environments.

Deep knowledge of Cassandra internals (Gossip, replication, compaction) and incremental repairs, plus backup/recovery strategies, is essential. Hands-on with nodetool, dsetool, OpsCenter, Prometheus, and Grafana; AWS/GCP experience highly valued.

Competenze

• Extensive experience managing distributed NoSQL databases (Cassandra, Couchbase) and cluster expansion.
• Proven skills in backup/recovery, SSTable migration, and multi-tenant environments.
• Strong understanding of Cassandra internals and repair strategies.
• Experience with cloud platforms (AWS, GCP) and monitoring tools.
• Familiarity with tooling: nodetool, dsetool, OpsCenter, Prometheus, Grafana.
• Ability to explain database concepts to stakeholders.

Mansioni

• Design, implement, and optimize distributed NoSQL database clusters at scale.
• Proactively monitor performance and capacity; perform root-cause analysis of issues.
• Plan and execute cluster expansions with minimal downtime and risk.
• Collaborate with customers and engineers to translate requirements into scalable solutions.

Conoscenze

Cassandra

Couchbase

Database administration

Performance tuning

Monitoring

Troubleshooting

Gossip protocol

Data replication

Strumenti

nodetool

dsetool

DataStax OpsCenter

cbq

Prometheus

Grafana

AWS

GCP

Jira

Rally

Descrizione del lavoro

P2CESTSStrong experience managing and optimizing distributed NoSQL databases such as Cassandra and Couchbase, including cluster expansion, capacity planning, performance tuning, monitoring, and troubleshooting.

Deep understanding of Cassandra architecture and internals, including Gossip protocol, peer-to-peer communication, replication strategies, compaction strategies, and incremental repairs.Hands-on expertise with Cassandra administration tools such as nodetool and dsetool for cluster configuration, node management, and performance optimization. Also experience with Couchbase tools such as cbq Proven experience performing database backup and recovery operations using NodeTool snapshots, CBQ and DataStax OpsCenter.Experience with SSTable migration and data movement activities across live Cassandra clusters with minimal downtime.Strong hands-on experience with monitoring and observability tools including DSE OpsCenter, Prometheus, and Grafana.Ability to collaborate with customers and stakeholders to explain database architecture concepts, evaluate requirements, and recommend scalable and reliable database solutions.

Working knowledge of relational databases such as PostgreSQL is an added advantage.

Hands-on experience with cloud platforms such as AWS and GCP.

Expertise in managing large-scale, multi-instance, multi-tenant server environments with a focus on reliability, scalability, and operational excellence.Cassandra DBA

GCP , AWSSQL DatabaseAICI/CD

Jira, Rally