Staff Database Administrator (Oracle/Oracle EBS)

Meet the team:

We are seeking a highly experienced Staff Database Administrator (DBA) to lead the management, optimization, and support of our enterprise-wide database environment. The successful candidate will have extensive hands-on expertise with Oracle EBS, Oracle database, and Oracle Linux operating system. This role is critical to ensure database reliability, scalability, performance, regulatory compliance, and data security across all business-critical systems.

Where you come in:

• Design, configure, administer, and support multiple database platforms: Oracle (including EBS R12)
• Expert on Oracle EBS database performance tuning, operation, monitoring, compiling packages, executing and authoring scripts.
• Expert on managing Oracle EBS application tier, such as troubleshooting long running concurrent manager jobs, configure Oracle EBS printer on Apps and OS side, troubleshooting workflow mailer, restarting oacore due to stuck thread.
• Expert knowledge to manage and support Oracle EBS database components, including database refresh/cloning, patch application, workflow management, and concurrent processing.
• Expert knowledge on troubleshooting functional Issues on EBS applications - assisting users with functional problems and providing solutions.
• Ensure database performance, availability, and scalability through proactive monitoring and tuning.
• Automate tasks and create scripts for database health monitoring and issue resolution.
• Implement robust backup and disaster recovery solutions using tools like RMAN, DataGuard, etc.
• Support and maintain high availability, replication, and failover configurations across platforms.
• Collaborate with Development and DBA teams for database design, deployment, and performance optimization.
• Enforce data governance, security, user management, and compliance with company policies and regulatory requirements.
• Document procedures, configurations, and change logs thoroughly and accurately.
• Provide 24x7 support for critical systems and participate in on-call rotations.
• Provide on-call support aligned with U.S. and EMEA business hours/time zones.
• Be available to respond to critical database incidents, production outages, and high-priority escalations during assigned on-call periods.
• Support planned maintenance, system upgrades, patching, deployments, and production activities that may occur outside normal business hours.
• Collaborate with DBA teams and technical teams across APAC, EMEA, and U.S. regions to provide seamless follow-the-sun support.
• Perform effective handoffs between global support teams to ensure continuity of operations.
• Participate in bridge calls and major incident management activities when required.
• Maintain a high level of responsiveness and technical ownership during assigned on-call periods.
• Follow established escalation procedures, incident management processes, and Service Level Agreements (SLAs).
• Support weekend and holiday coverage when assigned as part of the DBA on-call rotation
• Working in US shift during the probationary period. Once regularized, will be required in timezones other than Manila timezone.

What makes you successful:

·       Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience).

·       8+ years of progressive experience in database administration across:

o   Oracle Database (including RAC, ASM, Data Guard) – at least version 19c

o   Oracle E-Business Suite (EBS) database administration

·       Strong SQL and PL/SQL scripting skills.

·       Deep understanding of database architecture, indexing, partitioning, and query optimization.

·       Familiarity with data security standards (encryption, auditing, access controls)

·       Strong analytical and problem-solving capabilities.

·       Excellent communication and documentation skills.

·       Ability to work independently and lead complex database projects.

·       Strong organizational and prioritization skills under tight deadlines

·       Nice to have qualifications:

o   DBA certifications (e.g., Oracle DBA, Oracle EBS, RMAN, Data Guard).

o   Experience with database monitoring and diagnostic tools (OEM, SQL Profiler, etc.).

o   Experience in supporting other enterprise apps like Oracle BI, FCCS, Oracle WMS is a plus.

o   Experience with ORDS and Apex administration

What you’ll get:

• A front row seat to life changing CGM technology. Learn about our brave #dexcomwarriors community.
• A full and comprehensive benefits program.
• Growth opportunities on a global scale.
• Access to career development through in-house learning programs and/or qualified tuition reimbursement.
• An exciting and innovative, industry-leading organization committed to our employees, customers, and the communities we serve.