Sr Performance Test Engineer

Welcome to Warner Bros. Discovery the stuff dreams are made of.

Who We Are

When we say the stuff dreams are made of were not just referring to the world of wizards dragons and superheroes or even to the wonders of Planet Earth. Behind WBDs vast portfolio of iconic content and beloved brands are the storytellers bringing our characters to life the creators bringing them to your living rooms and the dreamers creating whats next

From brilliant creatives to technology trailblazers across the globe WBD offers career defining opportunities thoughtfully curated benefits and the tools to explore and grow into your best selves. Here you are supported here you are celebrated here you can thrive.

Your New Role:

The Senior Performance Test Engineer will collaborate closely with engineers developers architects and project managers to implement robust performance testing strategies. Expertise in performance testing methodologies will shape the way our applications are delivered to end users ensuring a seamless user experience under heavy loads.

Your New Accountabilities:

Test Planning and Execution

• Work with business analysts and developers to define the scope objectives and acceptance criteria for performance testing projects. Develop performance test plans and test cases based on project requirements.
• Create enhance and maintain performance test scripts using Micro Focus LoadRunner for various technologies (Web API client-server database etc.).
• Analyze business requirements and production usage patterns to develop realistic workload models and performance benchmarks.
• Execute load stress endurance and scalability tests using LoadRunner Controller. Monitor system behavior under load and capture critical performance metrics.

Performance Analysis and Reporting

• Collect and analyze data from LoadRunner as well as server and application monitoring tools to identify bottlenecks memory leaks and areas of improvement.
• Prepare detailed performance test reports highlighting system behavior bottlenecks and recommendations for optimization. Present findings to technical and non-technical stakeholders.
• Collaborate with cross-functional teams to communicate issues propose solutions and verify resolution of identified performance concerns.

Continuous Improvement

• Continuous Improvement: Stay up to date with emerging trends and best practices in performance testing. Contribute to the development and refinement of internal performance testing frameworks and methodologies.

Qualifications & Experiences:

• Minimum 5 years of professional experience in performance testing with a strong focus on LoadRunner.
• Proven experience in scripting complex test scenarios using LoadRunner VuGen (Web/HTTP TruClient Web Services and other protocols).
• Proven experience in scripting and performance testing REST APIs.
• Hands-on experience with LoadRunner Controller Analysis and monitoring tools.
• Deep understanding of performance testing concepts such as load stress endurance scalability and capacity testing.
• Solid knowledge of system architecture (web app and database tiers) network protocols and cloud infrastructure.
• Familiarity with server performance monitoring tools (e.g. Dynatrace AppDynamics New Relic Grafana) and APM solutions.
• Proficiency in analyzing results identifying root causes and providing actionable recommendations.
• Strong troubleshooting and analytical skills with the ability to work under pressure and meet tight deadlines.
• Background in testing applications hosted on cloud platforms (AWS Azure GCP) and microservices architectures.
• Excellent verbal and written communication skills with proven experience presenting findings to both technical and business audiences.

Additional Qualifications are a plus but not required:

• Familiarity with performance testing and scripting SAP GUI/Web is a plus.
• Experience working in a national or global company
• Experience with setting up administrating and maintaining LoadRunner tools.

How We Get Things Done

This last bit is probably the most important! Here at WBD our guiding principles are the core values by which we operate and are central to how we get things done. You can find them at along with some insights from the team on what they mean and how they show up in their day to day. We hope they resonate with you and look forward to discussing them during your interview.

Championing Inclusion at WBD

If youre a qualified candidate with a disability and you require adjustments or accommodations during the job application and/or recruitment process please visit our accessibility page for instructions to submit your request.