• Designs, implements, and maintains full life cycle of complex databases including Tables, Views, Stored procedures, indexes, functions, jobs, rules and roles, replications, and other database objects. • Understands and maintains database interaction with other mission critical systems. • Manages or develops databases with respect to the operating system, access methods, and access time. • Creates or maintains database clustering. • Creates, monitors and troubleshoots database replications. • Provides highly technical expertise in the use of database management systems. • Defines file organization, indexing methods, and security procedures for specific user applications. • Conducts device allocation, validation checks, organization, and statistical methods. • Maintains database dictionaries. • Integrates systems through database design. • Works in collaboration with Development and Engineering teams. • Evaluates and recommends available database management products and services. • Follows database standards and plays a quality assurance role.

• Administer, monitor, and maintain the health of large-scale physical PostgreSQL clusters • Investigate critical availability and performance incidents • Work extensively on Linux kernel-level tuning • Plan and apply operating system and database stack updates • Optimize key PostgreSQL configuration parameters

• Drive data infrastructure that enables data-informed decision-making • Partner closely with Product Managers, Data Analysts, Software Engineers, and business stakeholders • Deliver stable, high-quality data pipelines, enterprise reporting, and datasets • Optimize and maintain OLTP databases, ensuring reliability, performance, and production readiness • Audit systems, improve data quality, refactor legacy pipelines, and apply best practices • Build and maintain scalable data systems that power advanced analytics across the business • Design performance testing and release validation frameworks to prevent regressions • Establish strong production processes such as monitoring, alerting, backup and recovery, access controls, and incident response

• Administer, configure, and maintain databases across Db2 for z/OS, Db2 LUW, SQL Server, PostgreSQL, and AWS • Manage schema design, indexing strategies, data partitioning, compression, and workload management for high-throughput transactional and analytical systems • Implement and verify backup/restore, HA/DR, log shipping, replication, and failover strategies • Conduct deep performance tuning: query optimization, execution plans, parallelism, memory, I/O, buffer pools, and connection management • Enforce security baselines: encryption, secrets management, key rotation, least-privilege roles, and auditing • Build infrastructure-as-code patterns for database provisioning and configuration • Automate routine operations using PowerShell, Python, Bash, including jobs for checks, patching, and reporting • Serve as a subject matter expert for architecture reviews, capacity assessments, and database design guidance • Mentor junior DBAs/engineers; establish best practices, runbooks, and knowledge bases