Senior QA Engineer

Responsibilities - Design and execute test plans based on system specifications and architecture - Define and perform scenario-based testing for system integration and communication validation - Verify communication protocols and data exchange across systems - Execute test cases, analyze system logs and identify root causes of issues - Develop and maintain detailed test documentation and reports - Build, maintain and set up test environments and test equipment - Collaborate with cross-functional teams - Continuously improve test processes, tools and methodologies to enhance efficiency and reliability Requirements - 5+ years of QA experience, preferably in system integration or networking domains - Proficiency in Linux operations and log analysis - Solid understanding of TCP/IP and networking fundamentals - Strong test planning and test case design skills, with ability to own end-to-end test execution - Strong problem-solving and debugging capabilities - Excellent English communication skills Nice to Have - Experience in related domains such as communication systems, networking equipment, transportation or embedded systems - Familiarity with packet analysis tools - Experience collaborating with international teams or customers - Basic scripting skills (Python / Shell) for log parsing or tool development - Familiarity with test management tools (e.g., TestRail, Jira, Confluence) for documentation and tracking