Oracle WebLogic 12.1.3 to 19 Upgrade

I'm seeking a skilled Oracle WebLogic professional to upgrade my current version (12.1.3) to 19. This update should focus on key areas, mainly:

- Security enhancements: Strengthen the overall system security with the latest features, ensuring protection from contemporary cyber threats.
- Performance improvements: The updated version should significantly boost the operational speed and overall system performance.
- Integration with other systems: Ensure the upgraded version seamlessly integrates with my current systems for fluid, cross-functional operations.

Ideal candidates should demonstrate substantial experience with Oracle WebLogic, specifically in executing similar upgrades. Familiarity with system integration and performance enhancement strategies is key. Knowledge in up-to-date security protocols is essential as well. This project requires a careful approach towards transition to avoid downtime and preserve existing functionalities. Install the 19 version without hindering the current operations and strategies.