Senior Database Administrator

Job Overview We are seeking a seasoned, hands-on senior engineer to join the Platform Engineering team at Cendyn as a Senior Database Administrator.

In this role, you will lead the design, reliability, and modernization of our multi-engine production database fleet, mentor and grow the DBA practice, partner with cloud and AppDev teams on data architecture, and act as the senior escalation point for database incidents.

You will help us drive improvements to our significant public cloud footprint, DevOps pipelines and processes, and observability practice, with a particular focus on the data tier.

Lead the operation of a multi-engine production database fleet across Oracle, SQL Server, MySQL/MariaDB, PostgreSQL, and MongoDB–both self-managed and cloud-managed (Aurora, RDS, Azure SQL,Cloud SQL) Own the design and evolution of our database architecture–HA topology, replication strategy, partitioning/sharding, multi-region read replicas, and backup/recovery design Drive multi-engine modernization initiatives end-to-end, including engine version EOL upgrades, on-prem to cloud migrations, and database engine consolidation efforts Set, document, and enforce DBA practice standards across the organization (naming conventions, schema design patterns, backup/restore SLAs, change-management procedures) Act as the senior escalation tier on the database on-call rotation–drive root-cause analysis, lead post-incident reviews, and articulate SLOs at the database layer Mentor and grow junior and mid-level Database Administrators–paired sessions, design reviews, runbook authoring, on-call shadowing, and growth-path coaching Own the database-tier disaster recovery program–RPO/RTO articulation, DR drill design, and recovery-testing cadence Lead PII, PCI, and compliance posture at the database tier–encryption at rest and in transit, audit logging, data classification, secrets rotation, and least-privilege access design Drive query-, index-, and schema-level performance engineering at scale; mentor others in performance tuning techniques Stay current on emerging database technologies, cloud-native database services, and industry best practices; bring recommendations back to the team Job Requirements Bachelor's degree or equivalent relevant experience Minimum 8 years of hands-on database administration experience across at least three engines Strongproficiencywith Oracle (8+ years) Strongproficiencywith MySQL / MariaDB (5+ years) Working production experience with at least two of: SQL Server, PostgreSQL, MongoDB Demonstrated production experience with cloud-managed database services (Aurora, RDS, Azure SQL Database, or CloudSQL) Expert-levelproficiencywith SQL–query optimization, execution plan analysis, advanced indexing strategies Demonstratedtrack recordleading multi-engine modernization initiatives (version upgrades, RDBMS migrations, on-prem to cloud) Track recordmentoring database administrators and leading practice-level standards or design reviews Experience designing and owning the architecture of ETL pipelines and data transformation flows at scale Strong understanding of database high-availability patterns (replication topologies, failover design, multi-region considerations) Strong understanding of cloud security best practices–network security, data encryption,certificatesand PKI, IAM, and database-tier audit logging Experience leading incident response, root-cause analysis, and post-incident reviews at the database layer Experience with Atlassian tools (JIRA, Confluence) and working as part of an Agile team Experience with version control and source code management toolslike git,GitHub,Bitbucket, etc.