Sr. Database Administrator

McKesson-posted 4 days ago
Full-time • Mid Level
Irving, TX
5,001-10,000 employees
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McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you. The Senior Database Administrator leads the management, optimization, and security of enterprise data platforms across Oracle, Postgres, and MongoDB leveraging both on- premises and cloud (OCI/Azure) environments. The role includes foundational Databricks knowledge and regular use of OEM, Dynatrace for advanced database health and monitoring and query performance visualization.

  • Administer, configure, maintain and tune Oracle databases across on-prem, Exadata, Oracle Cloud Infrastructure (OCI), Azure cloud (including OCI Exadata Database Service) , PostgreSQL and MongoDB platforms for high performance, availability, security and compliance.
  • Use Oracle Enterprise Manager (OEM) and automation tools for database lifecycle management—deployment, patching, upgrades, backup, scale, and disaster recovery—on both hardware and cloud platforms.
  • Optimize and monitor high-performance OLTP and data warehousing workloads for reliability, security, and cost efficiency.
  • Collaborate with cross-functional teams for database architecture, SQL optimization, and compliance with regulatory and business requirements.
  • Provision, monitor, and secure Oracle Exadata databases on OCI, Azure, and ODB@A platforms, working across VM, bare metal, and cloud-consumed infrastructure.
  • Ensure business continuity by using Data Guard, Goldengate , and cloud-native backup/recovery strategies.
  • Apply security controls such as hardening VM and OS environments, ensuring minimal service exposure, SSH/network controls, file encryption, and separation of administrative roles.
  • Troubleshoot incidents and coordinate root-cause analysis in hybrid and multi- cloud Exadata environments.
  • Automate administration, monitoring, and reporting using SQL PL/SQL, Shell and Python for routine processes to improve service reliability.
  • Respond to security incidents by analyzing audit trails and logs; support investigations and forensic analysis as needed.
  • Degree or equivalent and typically requires 7+ years of relevant experience.
  • Deep, hands-on experience with Oracle Database (on-prem and cloud), Exadata, OEM, ODB@A, cloud automation, and scripting.
  • Expert level experience in Oracle RAC/ASM administration, Data Guard, Oracle Goldengate technologies .
  • Expertise in cloud lifecycles , VM technologies, backup/recovery automation, performance monitoring, and database tuning in enterprise and hybrid environments.
  • Understanding compliance frameworks, auditing standards, database security products, and audit reporting.
  • Excellent troubleshooting, documentation, and communication skills for working with technical and compliance teams.
  • Working knowledge of Databricks concepts for analytics platform considerations.
  • Candidates must be authorized to work in USA.
  • Sponsorship is not available for this role.
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