Sr. Software Quality Assurance Engineer - Santa Clara, CA - Hybrid

At Gigamon, our purpose is to protect the hybrid networks and data of the largest, most complex organizations on the planet. Certified as a Great Place to Work, we offer a deep observability pipeline that efficiently delivers network-derived intelligence to cloud, security, and observability tools. This helps our customers to eliminate security blind spots, optimize network traffic, and dramatically reduce tool cost and complexity, enabling them to better secure and manage their hybrid cloud infrastructure.

Gigamon has served more than 4,000 customers worldwide, including over 80 percent of Fortune 100 enterprises, 9 of the 10 largest mobile network providers, and hundreds of governments and educational organizations.

As a Senior SW QA Engineer on the GigaSMART team, you will lead quality assurance efforts for advanced security features in complex, high-performance networking products. You will design and build lab test beds, define and automate test strategies, and ensure our solutions meet rigorous security, performance, and scalability standards. In this role, you will collaborate closely with development, automation, and support teams to resolve field escalations and continuously improve product quality.

Your work will directly impact the reliability and security of mission-critical deployments for our largest customers.

• Design, implement, and maintain lab test beds to validate complex security and networking features.
• Create, review, and manage functional, performance, integration, and interoperability test cases and test suites.
• Execute test plans with a strong focus on customer quality, including manual and automated test execution.
• Develop and maintain automated test cases in parallel with manual testing, and work with the automation team to integrate them into the full regression test suite.
• Investigate and reproduce field escalations by collaborating with support and development teams, and drive resolution of reported issues.
• Create, reproduce, and manage bugs on a daily basis, ensuring clear documentation and tracking through closure.
• Collaborate closely with development to drive efficient test progress and bug fix throughput.
• Analyze hardware and software product architectures to design effective tests and understand implications for feature validation.
• Characterize, analyze, and help resolve performance and scalability issues in complex deployments.
• Serve as test project lead on occasion, owning QA deliverables and timelines for assigned projects.
• Mentor junior QA engineers on QA processes, tools, and technologies.

• Acquired 5+ years of hands-on QA testing experience in the security domain.
• Strong expertise in VMware, Nutanix, or Openstack.
• Built deep expertise in proxy, firewalls, IDS/IPS, data protection, encryption solutions, and authentication systems (such as LDAP and SAML).
• Gained experience with enterprise and service provider network security deployments.
• Demonstrated strong proficiency in Internet and security protocols, including TCP/IP, HTTPS, SSL/TLS, and key management.
• Planned and executed functional, performance, integration, and interoperability testing for complex products.
• Created, implemented, and reviewed manual and automated test cases and comprehensive test suites.
• Used test case management tools such as Mercury Quality Center, Test Rail, or similar platforms.
• Developed strong network configuration and troubleshooting skills in multi-layer, multi-vendor environments.
• Utilized packet capture and analysis tools such as Wireshark and Sniffer Pro, and interpreted packet captures to diagnose issues.
• Authored and maintained scripts in languages such as Python to support test automation and tooling.
• Used bug tracking systems such as Bugzilla,…