We are seeking an experienced Senior Database Administrator (DBA) with deep expertise in Oracle and Microsoft SQL Server database platforms to join our DBA team. This role will be responsible for the design, implementation, maintenance, and optimization of enterprise-grade database environments across both private cloud hosting platforms and public cloud providers (e.g., AWS, OCI, Azure). The ideal candidate has strong experience with mission-critical, high-availability database systems, a deep understanding of database security and automation, and a proven track record of supporting multiple complex environments in regulated, enterprise-scale settings. Experience managing multiple customers is a major plus.