Domain Architect is responsible for the designing test plans, test architecture and test framework to meet customer requirements. Creates test plans, gather requirements from cross functional teams, interacts with TCoE team and plans the E2E test automation, execution and reporting. This is a customer facing role that also involves navigating offshore teams involved in testing. Define and maintain a comprehensive test strategy and architecture for E2E testing, covering unit, integration, system, performance, and security testing. Establish testing methodologies, select appropriate tools and technologies, and create standardized testing processes to ensure consistency and efficiency. Oversee the setup, management, and maintenance of test environment onsite, ensuring they mirror production systems and are consistently available for testing activities. Design and conduct performance and scalability tests to validate that PaCo products meet required benchmarks under varying load conditions. Mentor and guide junior test engineers, offshore teams, sharing technical expertise and fostering skill development to build a high-performing team and meet execution deadlines with quality. Work closely with development teams offshore, product managers, customer technical lead, R&D teams and other stakeholders to ensure alignment on testing objectives, timelines, and priorities. Lead the design, development, and implementation of automated testing frameworks and solutions. Create and maintain automated test scripts, integrate them into CI/CD pipelines, and ensure high levels of test coverage and reliability. Must have - Master’s or bachelor’s degree in computer science, Engineering, or a related field with 6+ years of experience in software testing & automation in IPTel / Packet Core / SDM domain experience Proven experience in the telecommunications industry in debugging, troubleshooting E2E call flow related test results. Programming skills in at least two of the following languages: Python, Java, JavaScript, C++, or similar Extensive expertise in designing and implementing automated testing frameworks, along with a deep understanding of testing simulators, tools in telecom domain. Hands-on experience with a variety of testing tools and technologies, including but not limited to Selenium, JMeter, Appium, Spirent etc., Ability to gather customer requirements, break it down into testable line items, identify simulators that can do the job, provide input to development/execution team and coordinate testing. Take test results to customer, discuss and present to customer teams, with excellent communication and convincing skills. Experience working with CI/CD pipelines and tools such as NCD, GitOps, GitLab CI, etc. Nice to have - Testing experience with Simulators (Spirent, etc) and experience with Kubernetes and containerized environments