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

Gigamon; California (MO); On-site; USD 124,000 - 155,000; Full time

Job summary

Gigamon is seeking a Senior Software QA Engineer on the GigaSMART team to lead quality assurance for advanced security features in 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.

Collaborate with development, automation, and support teams to resolve field escalations, drive test progress, mentor junior engineers, and deliver reliable,

Qualifications

• 5+ years hands-on QA testing in security domain.
• Proven experience with security testing of networking products.
• Ability to design and execute functional, performance, and interoperability tests.
• Experience with test automation and scripting (Python).
• Knowledge of VPNs, proxies, firewalls, IDS/IPS, encryption, LDAP/SAML.

Responsibilities

• Design, implement, and maintain lab test beds for security features.
• Create, review, and manage test cases and test suites.
• Execute test plans; mix of manual and automated testing.
• Develop automated tests and integrate into regression suite.
• Investigate field escalations with support and development teams.
• Document and track defects from discovery to closure.
• Collaborate with development to improve test coverage and throughput.
• Analyze architectures to design effective tests and understand feature validation impacts.
• Characterize and resolve performance/scalability issues in complex deployments.
• Occasionally lead QA projects and deliverables; mentor junior engineers.

Skills

Security QA expertise

Test strategy design

Lab/test planning

Automation testing

Mentoring juniors

Education

BS in Computer Science/Engineering

Tools

VMware

Nutanix

OpenStack

Python scripting

Mercury Quality Center

TestRail

Jira

Job description

Description

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.

What You’ll Do

• 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.

What You’ve Done

• 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, TestRail, 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 SnifferPro, 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, Jira, or similar to manage defects and project progress.
• Led or supported test or project leadership activities and contributed to mentoring junior QA engineers.
• Earned at minimum a BS degree in Computer Science, Computer Engineering, or an equivalent field.

Who You Are

• A strategic and analytical thinker who can translate complex security and networking architectures into effective test strategies.
• A self‑starter who is highly self‑motivated, organized, and able to manage multiple concurrent tasks and priorities.
• A collaborative team player who works effectively with development, automation, and support teams to drive product quality.
• A detail‑oriented engineer with a strong sense of ownership and a focus on delivering high‑quality, customer‑centric solutions.
• An effective communicator with excellent verbal and written communication skills, able to clearly articulate findings and recommendations.
• A mentor and role model who enjoys guiding junior engineers and elevating the overall quality culture of the team.

The base salary compensation range targeted for this role is expected to be between $124,000 - $155,000 (subject to terms and conditions of the plan). This salary range is an estimate, and the actual salary may vary based on the Company’s compensation practices.

Employees in this position are eligible to participate in the Company’s standard employee benefit programs, which may include health and other insurances such as life and disability, and savings accounts such as a retirement plan with company matching contributions or similar, paid time off (holidays, vacation, and sick), tuition reimbursement, employee assistance program (EAP), business travel accident insurance, employee discounts, and employee referral program. Additionally, employees may be eligible to participate in the Profit Interest Units plan.

As an equal opportunity employer, all applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, national origin, age, sexual orientation, disability, veteran status, genetic information, or any other protected characteristic under applicable federal, state, and/or local law. For more information, please refer to Know Your Rights: Workplace Discrimination is Illegal.

We are committed to providing reasonable accommodation for all qualified individuals with disabilities. If you require a reasonable accommodation, please contact us at [phone].

The privacy rights of all individuals, including job applicants and candidates, are very important to us. Our Gigamon Applicant Privacy Policy, will inform you about how Gigamon Inc. and its direct and indirect subsidiaries collect, use, store, or otherwise process personal information about job applicants and candidates, including through your access and/or use of our careers website and third‑party job websites (e.g. LinkedIn, Indeed, Glassdoor, Naukri, etc.).

We may use automated tools, including AI‑based systems, to help screen and evaluate application materials for this role. These tools are designed to assess job‑related qualifications only and do not make final hiring decisions; human reviewers remain involved in the process. Further, Gigamon uses Jobvite, developed by Employ, to screen and evaluate all Gigamon applicant resumes. The system analyzes resumes for skills, experience, and qualifications and processes employment history, education, and skills. This AI‑based system is used for all Gigamon positions. For questions, contact [email protected]. You have the right to request reasonable accommodation; to do so, please send a message to [email protected].