Oracle Apps DBA (Oracle EBS)

Dexcom Inc.; Taguig; On-site; PHP 1,500,000 - 2,100,000; Full time

Benefits offered by this job

Comprehensive benefits

Career development

Tuition reimbursement

Job summary

Dexcom Inc. is seeking a senior Staff Database Administrator to lead enterprise Oracle EBS and Oracle Database operations. You will optimize performance, manage DR/HA, and ensure security and compliance across critical systems.

Responsibilities include tuning EBS databases, managing app tier, and coordinating with global teams for seamless 24x7 support. A deep Oracle stack background and strong communication skills are essential.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or related field.
• 8+ years of progressive experience in database administration across Oracle Database (incl. RAC, ASM, Data Guard – 19c+) and Oracle E-Business Suite (EBS).
• 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).
• Excellent communication and documentation skills.
• Ability to lead complex database projects independently and manage priorities.

Responsibilities

• Design, configure, administer, and support Oracle DB platforms including EBS R12.
• Tune and monitor Oracle EBS database performance; troubleshoot long-running jobs and workflows.
• Manage Oracle EBS app tier, including printers, mailers, and on-call responses.
• Perform database refreshes, patches, and cloning; ensure DR and HA configurations.
• Collaborate with Development/DBA teams on design, deployment, and optimization.
• Enforce governance, security, and regulatory compliance; document changes.

Skills

Oracle DBA

SQL/PLSQL

Data security

Problem solving

Documentation

Leadership

Time management

Communication

Education

Bachelor’s degree in CS/IS

Tools

OEM

SQL Profiler

ORDS

Apex administration

Job description

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 to work in time zones other than Manila time zone.

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:
  • Oracle Database (including RAC, ASM, Data Guard) – at least version 19c
  • 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
• Bachelor's degree (B. A.) from four‑year college or university
• Typically requires a minimum of 8+ years of related experience with a Bachelor’s degree
• Preferred Qualifications:
  • DBA certifications (e.g., Oracle DBA, Oracle EBS, RMAN, Data Guard).
  • Experience with database monitoring and diagnostic tools (OEM, SQL Profiler, etc.).
  • Experience in supporting other enterprise apps like Oracle BI, FCCS, Oracle WMS is a plus.
  • 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.

Travel Required:

• 0-5%

Experience and Education Requirements:

• Typically requires a Bachelor’s degree in a technical discipline, and a minimum of 8-12 years related experience or Master’s degree and 5-7 years equivalent industry experience or a PhD and 2-4 years of experience.

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