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Network Firewall & Software Manual Testing Engineer at Substance. Substance is seeking a detail-oriented and experienced . Network Firewall & Software Manual Testing Engineer. to join our growing team. In this role, you will be responsible for ensuring the robustness and security of network systems by conducting comprehensive manual testing on firewalls and related software applications. You will work closely with development teams to validate security configurations and functionality, identifying vulnerabilities and performance issues before they affect the production environment.. Key Responsibilities:. . Conduct . manual testing. of firewall and hotspot gateway software to ensure reliability and performance.. . Document all . test cases, results, and observations. using Excel or related software tools.. . Identify, log, and track . bugs and defects. , ensuring they are properly reported and addressed by developers.. . Perform various testing methodologies, including . functional testing, regression testing, performance testing, and unit testing. .. . Collaborate with developers and network engineers to troubleshoot and validate fixes.. . Take full . ownership of assigned tasks. , ensuring quality assurance objectives are met.. . Ensure compliance with . network security standards and best practices. .. . Continuously improve test cases and contribute to process enhancements.. . Job Competencies:. . . Software Testing & Manual Testing. (including . Functional, Regression, Unit, and Performance Testing. ). . . Computer Networking. principles and security protocols. . Strong . logical reasoning and problem-solving skills. . . Ability to work independently and take ownership of assigned tasks. . Experience with . bug tracking and test case documentation tools. is a plus. . `. . . Bachelor’s degree. in Computer Science, Information Technology, or a related field.. . Experience in . manual software testing. within networking or cybersecurity environments.. . Familiarity with . firewall and network security concepts. .. . Strong analytical and troubleshooting skills.. . Experience with testing tools and . Excel-based test documentation. .. . Company Location: India.