Sr. Staff Database Administrator

The Company
Dexcom Corporation (NASDAQ DXCM) is a pioneer and global leader in continuous glucose monitoring (CGM). Dexcom began as a small company with a big dream: To forever change how diabetes is managed. To unlock information and insights that drive better health outcomes. Here we are 25 years later, having pioneered an industry. And we're just getting started. We are broadening our vision beyond diabetes to empower people to take control of health. That means personalized, actionable insights aimed at solving important health challenges. To continue what we've started: Improving human health.

We are driven by thousands of ambitious, passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening, serving with integrity, thinking big, and being dependable. We've already changed millions of lives and we're ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. We'll get there by constantly reinventing unique biosensing-technology experiences. Though we've come a long way from our small company days, our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us.

Meet The Team
We are seeking a highly experienced Senior Staff Database Administrator (DBA) to lead the management, optimization, and support of our enterprise-wide database environment. The successful candidate will have hands-on expertise with multiple RDBMS and NoSQL platforms, including Oracle, SQL Server, MariaDB, MySQL, PostgreSQL, and MongoDB, as well as extensive experience supporting Oracle E-Business Suite (EBS) databases and Application. This role is critical to ensure database reliability, scalability, performance, and data security across all business-critical systems.

Essential Duties And Responsibilities

• 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, DataDog, Rubrik, Solarwinds, SQL Server Maintenance Plans, etc.
• Support and maintain high availability, replication, and failover configurations across platforms.
• Collaborate with Development and DevOps 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.

Supervisory Responsibilities:
This job has no supervisory responsibilities.

Required Qualifications

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

• 13+ years of progressive experience in database administration across:

• Oracle Database (including RAC, ASM, Data Guard)

• 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)

Preferred Qualifications- 13+ years of progressive experience in database administration across:

• Microsoft SQL Server
• MariaDB / MySQL
• PostgreSQL
• MongoDB (including sharding, replica sets, performance tuning)
• DBA certifications (e.g., Oracle OCP, MongoDB DBA, Microsoft Certified: Azure Database Administrator).
• Experience with database monitoring and diagnostic tools (OEM, pgAdmin, SQL Profiler, MongoDB Compass, etc.).
• Experience with cloud database deployments (AWS RDS, Azure SQL, GCP, etc.).
• Experience with containerized database environments (Docker, Kubernetes).
• Familiarity with CI/CD and Infrastructure-as-Code (e.g., Ansible, Terraform).
• Experience in supporting other enterprise apps like Oracle BI, Hyperion, or SAP is a plus.

Soft Skills

• 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.

Experience

• Typically requires a minimum of 13+ years of related experience with a Bachelor's degree; or 6+ years and a Master's degree.

Travel

• 0-25%

To all Staffing and Recruiting Agencies: Our Careers Site is only for individuals seeking a job at Dexcom. Only authorized staffing and recruiting agencies may use this site or to submit profiles, applications or resumes on specific requisitions. Dexcom does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to the Talent Acquisition team, Dexcom employees or any other company location. Dexcom is not responsible for any fees related to unsolicited resumes/applications.