Leslie ONeill

Highly skilled Lead System Analyst with over 20 years of experience in enterprise monitoring, system support, and infrastructure management. Proven expert in observability coverage using Dynatrace. Proficient in application onboarding, monitoring, synthetics and logging tools.

Utilized Dynatrace Query

Language (DQL) to develop custom queries, dashboards, and performance analytics. Adept at coordinating troubleshooting across teams and managing critical ServiceNow requests. Knowledgeable about SDLC and eager to leverage extensive technical proficiency and problem-solving skills to enhance operational efficiency, system reliability, and audit/SOX compliance.

Application Performance Observability Lead - Enterprise Monitoring at Caesars Entertainment (2021-01 – Present)

• Spearheaded the establishment of Dynatrace observability coverage, significantly improving system monitoring and performance insights where none previously existed.
• Integrated AWS environments using Dynatrace Operator and OneAgent deployment, enhancing cloud observability and operational efficiency.
• Served as the primary escalation point for abnormal or complex system behavior, ensuring swift resolution and minimal downtime.
• Prioritized the Dynatrace monitoring roadmap and objectives, leveraging seniority and platform expertise to align with business goals.
• Implemented RUM with mobile apps and websites to monitor customers digital experiences and replicate issues.
• Coordinated troubleshooting efforts across infrastructure, application, vendor, and business teams, fostering collaboration and effective problem resolution.
• Managed and delegated ServiceNow requests and changes based on urgency and importance, ensuring timely responses to critical issues.
• Daily utilized tools such as Tanium, Dynatrace, Active Directory, OpManager, and Microsoft Office O365 Suite (Excel, Word, Teams, SharePoint, PowerPoint, etc.) to enhance operational workflows.
• Demonstrated familiarity with various monitoring tools including PagerDuty, Zabbix, Solarwinds, ThousandEyes, xMatters, and Extrahop, contributing to a comprehensive monitoring strategy.
• Maintained compliance with SOX controls by monitoring governance, audit documentation, access reviews, and change management records.

Senior Support Analyst - Player Database at Caesars Entertainment (2016-04 – 2021-01)

• Provided daily support for critical systems, managing on-call rotations every third week to ensure continuous system availability.
• Supported primary systems in Unix, alongside secondary systems in Java, TIBCO/Hawk, iSeries, pSeries, SQLite, and.NET, showcasing versatility across multiple platforms.
• Administered database support for SQL and DB2 systems, ensuring data integrity and availability for business operations.
• Executed internal control testing across gaming and non-gaming revenue centers to ensure 100% compliance with SOX Section 404 and state gaming regulations.
• Gained valuable experience in server management, including services, tasks, IIS, Linux, Squirrel, and ODBC connectors, enhancing system performance and reliability.

Support Analyst - Casino Management Systems at Caesars Entertainment (2011-02 – 2016-03)

• Delivered specialized support for proprietary AS/400 iSeries systems managing guest/player data, wins/losses, preferences, and rewards, ensuring accuracy and compliance.
• Participated in project work for new property rollouts, including travel to sister properties, demonstrating adaptability and commitment to organizational growth.
• Assisted in the design of form printing for guest tax documents, contributing to improved operational processes and guest satisfaction.

High School Diploma – Horn Lake High School