L3 Senior Database Engineer / DBA || Pleasanton, CA || Onsite

L3 Senior Database Engineer / DBA || Pleasanton, CA || Onsite (Pleasanton, CA, 94566) | 03/19/26

Job Description Job Title:

L3 Senior Database Engineer / DBA (MS SQL, PostgreSQL, Oracle, MySQL)

Location:

Pleasanton, CA (onsite)

Job Description:

L3 DBAs own database architecture, complex performance tuning, and critical incident resolution across multi-platform environments, and define standards and automation for the DBA function. Key responsibilities

• Design and review database architectures, schemas, and standards for MS SQL, PostgreSQL, Oracle, and MySQL, including high availability ( Always On / RAC / replication / clustering ).
• Lead capacity planning, performance baselining, and advanced tuning (indexes, query rewrites, partitioning, parameter optimization, storage/layout strategies).
• Act as final escalation for P1/P0 incidents (outages, severe performance degradation, data corruption), driving root cause analysis and permanent fixes.
• Define and improve backup, recovery, DR, and HA strategies, including RPO/RTO targets and regular failover and restore testing.
• Implement and enforce database security policies: encryption, auditing, role design, least privilege models, and compliance with regulatory requirements.
• Drive automation and Infrastructure as Code for database provisioning, patching, deployments, and configuration drift control (using scripts and CI/CD pipelines).
• Provide technical leadership and mentoring to L1/L2 DBAs and development teams, including code reviews for SQL, guidelines, and best practices.
• Evaluate and introduce new database features, versions, tools, and cloud options, and contribute to technology roadmaps. Typical requirements
• 5-8+ years' experience as a DBA with significant exposure to at least two enterprise platforms (e.g., SQL Server + Oracle) and working knowledge of PostgreSQL/MySQL.
• Proven track record in designing and operating mission critical, high availability database environments.
• Deep expertise in performance tuning, troubleshooting, and SQL optimization.
• Experience with automation frameworks and scripting for large scale administration.

L3 Senior Database Engineer / DBA || Pleasanton, CA || Onsite1Database, admin United States