Database Administrator - Senior

Job description

The Database Administrator, Senior leads the design, implementation, and lifecycle management of enterprise database platforms that underpin mission‑critical systems in a highly regulated government environment. The role owns advanced performance tuning, capacity planning, and high‑availability strategies to ensure resilient, scalable data services across complex application portfolios. It also establishes database standards, security baselines, and governance practices while providing technical leadership to mid‑level and junior DBAs and guiding major upgrade, migration, and modernization initiatives. Key Responsibilities: - Architect and maintain enterprise‑class database solutions across platforms such as Oracle, SQL Server, MySQL, or PostgreSQL, including advanced schema design, partitioning, and environment‑specific optimization for mission‑critical workloads. - Design end‑to‑end performance strategies, including indexing, query optimization, plan analysis, and server‑level tuning, to support large‑scale transactional, reporting, and analytics workloads. - Engineer and oversee high‑availability and resilience configurations such as clustering, availability groups, replication,...