Sr Specialist Performance Test Engineer

Job description

Role Overview We are looking for a skilled Performance Test Engineer with strong experience in designing, developing, and executing performance tests for web applications, APIs, and enterprise systems. The ideal candidate should have hands-on expertise with LoadRunner, k6, Locust, and Python, along with a solid understanding of performance engineering principles, bottleneck analysis, and test automation. Key Responsibilities - Design, develop, and execute performance, load, stress, spike, and endurance tests for applications and services. - Create and maintain performance test scripts using LoadRunner, k6, and Locust. - Develop and enhance test frameworks and utilities using Python. - Analyze application performance, identify bottlenecks, and provide tuning recommendations. - Monitor system behavior during test execution and collect metrics from application, server, database, and network layers. - Collaborate with developers, QA, DevOps, and business teams to define performance requirements and acceptance criteria. - Prepare detailed performance test plans, reports, and dashboards with actionable insights. - Support root cause analysis for performance issues and work with cross-functional teams on remediation. - Integrate performance testing into CI/CD pipelines for continuous performance validation. - Ensure adherence to performance testing best practices, standards, and governance. **Required Skills** - Strong hands-on experience with LoadRunner for enterprise performance testing. - Experience with modern open-source performance testing tools such as k6 and Locust. - Proficiency in Python for scripting, automation, and custom test framework development. - Good understanding of performance testing concepts: load, stress, spike, soak/endurance, and scalability testing. - Experience testing REST APIs, web applications, and microservices. - Knowledge of application monitoring and observability tools such as Dynatrace, AppDynamics, Splunk, Grafana, Prometheus, or New Relic. - Familiarity with SQL and database performance analysis. - Understanding of cloud environments such as AWS, Azure, or GCP. - Experience with CI/CD tools like Jenkins, GitLab CI, or Azure DevOps. - Strong analytical and troubleshooting skills. **Preferred Qualifications** - Experience in performance engineering for distributed systems and microservices architecture. - Knowledge of JavaScript/TypeScript for k6 scripting. - Experience with containerized environments such as Docker and Kubernetes. - Familiarity with Linux/Unix commands and shell scripting. - Exposure to Agile/Scrum development methodologies. - Certification in performance testing tools or cloud technologies is a plus. Education and Experience - 8+ years of experience in performance testing and engineering. - Proven experience in performance analysis, reporting, and stakeholder communication. **Weekly Hours:** 40 **Time Type:** Regular **Location:** IND:AP:Hyderabad / Argus Bldg 4f & 5f, Sattva, Knowledge City- Adm: Argus Building, Sattva, Knowledge City It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.