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# Database Administrator

- **Company:** SFE PARTNERS LLC
- **Location:** San Jose, CA, United States
- **Experience:** Experienced
- **Salary:** $100,000.0 - $130,000.0
- **Contract:** Permanent contract
- **Skills:** Cloud Database, Databases, Data Centers, Linux, PostgreSQL, Mailing List, Microsoft SQL Server, MongoDB, MySQL, Redis, Shell Script, Backup and Restore, Apache Cassandra, Datastax, Apache Spark, Kubernetes, Cassandra, Performance Monitor
- **Published:** October 18, 2026
- **Apply:** https://www.careerjet.com/jobad/usd100cfa7b2e1aa3f43d5ba92b1ba201c

## About the Role

Must Have Technical/Functional Skills
6+ years of hands-on experience in Apache Cassandra / DataStax Enterprise (DSE) administration.
Strong production experience working as a Cassandra L3 DBA / SME.
Strong experience administering Linux-based, on-premises Cassandra environments and shell scripting skills.
Strong experience with DataStax OpsCenter for monitoring, administration, alerting, and troubleshooting.
Secondary / Good-to-Have Skills
Experience with Redis Stack administration and support.
Experience administering Cassandra/databases in Kubernetes-based environments.
Cassandra Spark and Graph workload experience.
Working knowledge of:
o PostgreSQL
o MongoDB
o MySQL
Willingness and ability to learn and support Microsoft SQL Server.

## Description

Administer and support enterprise Apache Cassandra / DataStax Enterprise production clusters.
Provide L3/SME-level support for Cassandra incidents, performance issues, and complex production problems.
Perform Cassandra/DSE installation, configuration, upgrades, patching, and ongoing maintenance.
Manage node additions/removals, cluster scaling, capacity expansion, and data-center expansion.
Manage Cassandra replication, consistency, partitioning, token/ring configuration, repair, and compaction.
Perform and validate backup and restore activities to support database availability and recoverability.
Monitor Cassandra environments using DataStax OpsCenter, including alerts, cluster health, capacity, and performance.
Diagnose and resolve performance issues related to CPU, memory, disk I/O, GC, latency, tombstones, SSTables, and compaction.
Perform proactive monitoring and health checks to identify potential production issues.
Use Linux and shell scripting to automate Cassandra administrative and operational activities.
Support Redis Stack and other database technologies where required.
Collaborate with application, infrastructure, and engineering teams to troubleshoot database-related production issues.
Develop skills in additional database platforms like mongo, mysql, including MS SQL Server, as required by the
role.
Generic Managerial Skills, If any
Flexible to work during weekends as it's a 24*7 Role.
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