Senior JMeter Performance Test Engineer

Role: Senior JMeter Performance Test Engineer

Location: Los Angeles CA

The Senior JMeter Performance Test Engineer will lead performance testing activities for large-scale Oracle CCS SaaS and integrated utility application environments. This role requires strong expertise in Apache JMeter enterprise performance engineering practices API and integration performance testing and coordination across multiple technical teams supporting complex utility transformation programs.

The engineer will support:

• performance test planning
• workload modeling
• scripting
• execution
• monitoring
• defect analysis
• environment coordination
• and production-readiness validation activities.

Key Responsibilities

Performance Testing & Execution

• Design and develop complex Apache JMeter test scripts for web API batch and integration testing.
• Execute load stress endurance spike and scalability testing activities.
• Develop realistic utility transaction workload models for Oracle CCS and integrated applications.
• Validate system response times throughput concurrency and resource utilization.
• Support performance benchmarking and production-readiness testing.

Oracle CCS / Integration Testing

• Support performance testing of:
  • Oracle CCS
  • OIC integrations
  • APIs
  • middleware interfaces
  • batch processing
  • conversion activities
• Coordinate testing of high-volume utility business transactions including:
  • billing
  • payments
  • customer operations
  • meter reads
  • batch processing
• Support end-to-end integration performance validation.

Environment & Test Coordination

• Coordinate with:
  • Oracle DevOps
  • Infrastructure
  • Environment Management
  • Data Conversion
  • Integration teams
• Support environment readiness validation prior to test execution.
• Coordinate performance test data preparation and refresh activities.
• Track interface dependencies and environment availability during testing cycles.

Performance Analysis & Troubleshooting

• Analyze application middleware database and infrastructure performance metrics.
• Identify bottlenecks across:
  • APIs
  • integrations
  • database queries
  • JVM
  • network
  • batch processing
• Support root cause analysis and defect triage activities.
• Prepare performance test reports and executive summaries.

Required Qualifications

• 5 years of performance testing experience.
• Strong hands-on expertise with Apache JMeter.
• Experience with:
  • API testing
  • web application performance testing
  • batch performance testing
  • integration performance validation
• Experience in enterprise cloud or SaaS environments.
• Strong understanding of:
  • HTTP/HTTPS
  • REST/SOAP APIs
  • JDBC
  • authentication mechanisms
  • distributed load testing
• Experience coordinating with multiple technical teams in integrated testing programs.
• Strong analytical and troubleshooting skills.

Preferred Qualifications

• Experience with Oracle CCS / CC&B environments.
• Experience with Oracle Utilities Application Framework (OUAF).
• Utilities industry experience preferred.
• Experience with:
  • Oracle Integration Cloud (OIC)
  • OCI environments
  • Splunk/AppDynamics/Dynatrace
  • Linux/Windows environments
• Familiarity with Agile and Jira-based delivery models.

Trinus Corporation a leading provider of technology solutions and services with over 25 years of experience is a certified WBE/MBE/SBE/SDB firm accredited by WBENC NMSDC and SBA. Our mission is to shape the future of work by aligning the right mix of people process technology and innovation to efficiently meet our clients business objectives. At Trinus we understand that finding the right opportunity is pivotal in your career journey. Our staffing services go beyond mere placements; they are about matching your skills and aspirations with the perfect fit. To learn more about us please visit our website