Senior Database Administrator

Database AdministratorIn this role, you will play a critical part in ensuring the reliability, performance, and security of the organization's enterprise database landscape across both on-premises and cloud environments. You will support mission-critical PostgreSQL and Oracle systems operating in a 24x7, high-availability setting, strengthening business continuity through effective replication, standby configurations, RAC administration, and disaster recovery strategies. Your expertise will help drive modernization efforts, including database migrations and automation initiatives, while enabling cross-functional teams to deliver scalable, resilient, and high-performing data solutions.Administer, monitor, and maintain large-scale Oracle databases across production, development, test, and disaster recovery environments. Manage and support Oracle RAC, ASM, Active Data Guard, and high-availability database architectures. Perform Data Guard switchover, failover, and disaster recovery testing activities. Execute Oracle database patching, upgrades, migrations, and lifecycle management with minimal business disruption. Design, implement, and support enterprise backup and recovery strategies using RMAN and Oracle recovery technologies. Diagnose and resolve complex database performance issues involving SQL tuning, execution plans, wait events, AWR, ASH, and Oracle internals. Troubleshoot critical production incidents and perform root cause analysis to prevent recurrence. Support Oracle databases hosted on-premises and in cloud platforms, including Oracle Cloud, AWS RDS, and Azure environments. Automate routine DBA tasks using Shell, Python, Ansible, or related scripting and automation tools. Collaborate closely with application, infrastructure, cybersecurity, and DevOps teams to deliver scalable and resilient database solutions. Participate in on-call support rotations and provide escalation support for critical database incidents. Provide guidance and mentoring to junior database administrators and technical teams.Bachelor's degree in computer science, Information Technology, or a related field. 8+ years of hands-on Oracle Database Administration experience supporting mission-critical production environments. Deep expertise in Oracle Database technologies, including: Oracle RAC Active Data Guard ASM RMAN Oracle Enterprise Manager Performance Tuning and Diagnostics Strong experience with Oracle backup, recovery, high availability, and disaster recovery architectures. Extensive experience performing Oracle database upgrades, patching, migrations, and capacity planning. Experience supporting Oracle databases across AWS, Azure, GCP, or Oracle Cloud Infrastructure (OCI). Strong knowledge of Linux/Unix administration and troubleshooting. Proficiency in SQL, PL/SQL, Shell scripting, Python, or similar automation tools. Experience supporting large-scale OLTP and data warehouse environments.Experience administering PostgreSQL databases in production environments. Experience with Oracle-to-PostgreSQL migration and modernization initiatives. Knowledge of PostgreSQL backup/recovery, replication, and performance tuning concepts. Experience with Infrastructure as Code (Terraform, Ansible) and database automation frameworks. Experience utilizing AI-driven monitoring, observability, or database optimization platforms. Relevant certifications such as Oracle Certified Professional (OCP), Oracle Cloud certifications, PostgreSQL certifications, or cloud platform certifications.Epsilon operates in 30+ countries across EMEA, the Americas and APAC, with more than 8,000 employees. Epsilon benefits are subject to eligibility requirements and other terms. Epsilon is an Equal Opportunity Employer. Epsilon's policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants who need accommodations to complete the application process. Please reach out to View email address on apply.j-vers.com to request an accommodation. For San Francisco Bay and Los Angeles Areas: Epsilon will consider qualified applicants with criminal histories for employment in a manner consistent with the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.