In my previous role, I analyzed a large-scale ERP system that was experiencing performance issues. Through detailed data analysis and user feedback, I identified bottlenecks in the database queries and inefficient data handling processes. This led to a series of recommendations for optimizing the system, including query restructuring and data caching techniques, which significantly improved system performance and user satisfaction.

I prioritize tasks based on their impact and urgency. I use project management tools to track deadlines and dependencies, and I regularly communicate with stakeholders to understand their priorities. For instance, if an application outage is affecting business operations, resolving that issue would take precedence over less critical updates. This approach ensures that high-impact tasks are addressed promptly while maintaining progress on long-term projects.

Ensuring application security involves a multi-layered approach. I regularly update software to patch vulnerabilities, conduct regular security audits, and implement robust authentication and authorization protocols. Additionally, I educate users about security best practices and enforce strict access controls. For example, I implemented two-factor authentication for a critical application, significantly reducing the risk of unauthorized access.

In such situations, my first step is to quickly rollback the update to minimize disruption. I then gather detailed feedback from users and analyze the application logs to identify the root cause. For example, after an update caused slow response times, I discovered an issue with the new database configuration. I resolved this by optimizing the settings and conducting thorough testing before re-deploying the update.

In a previous role, I worked with the development, networking, and support teams to resolve a connectivity issue affecting a key application. By sharing insights and responsibilities, we quickly identified a network configuration error. This collaborative approach not only resolved the issue but also improved our team's response time to future problems. It highlighted the importance of effective communication and teamwork in resolving complex issues.