Firewall QA Engineer - End-to-End Security Testing

020 Cisco Systems, Inc.; Georgia; On-site; USD 138,000 - 198,000; Full time

Job summary

Cisco Systems, Inc. is seeking a Software Quality Engineer to own test areas across physical, virtual, and cloud environments.

You will design risk-based test plans, automate tests in Python, and validate end-to-end workflows for Secure Firewall products, collaborating with cross-functional teams to ensure quality and reliability before release. The role emphasizes hands-on testing, AI-assisted tooling, and strong communication as you reproduce complex failures, build test environments, and

Qualifications

• Bachelor’s degree + 5 years of experience in software quality engineering, system testing, network engineering, or a related discipline.
• Experience designing test scenarios, selecting appropriate methodologies, and configuring the required test environments.
• Experience using Python for test automation and tooling; Linux/Unix familiarity; leverage generative AI assistants across the SDLC.

Responsibilities

• Develop and execute risk-based test plans for Cisco Secure Firewall products and their management, data-plane, platform, and ecosystem integrations.
• Validate end-to-end workflows across firewall management, threat inspection, routing, switching, NAT, VPN, identity, logging, policy deployment, and related security capabilities.
• Test complex deployment topologies, including standalone, high-availability, clustered, multi-instance, virtualized, and cloud-based environments.
• Perform feature integration, system, regression, upgrade, rollback, backward-compatibility, resiliency, recovery, scale, stress, and longevity testing.
• Design, implement, maintain, and troubleshoot automated tests using Python-based frameworks and supporting tools.
• Build, configure, and maintain representative test environments containing network devices, security appliances, traffic generators, virtual machines, and cloud resources.
• Reproduce, isolate, and characterize complex software and system failures using packet captures, logs, traces, core files, system metrics, and diagnostic tools.
• Document defects with clear reproduction procedures, technical evidence, business impact, and severity justification.
• Participate in feature handoffs, technical reviews, test-plan reviews, defect triage, and cross-functional quality reviews.
• Use AI-assisted engineering and testing tools where appropriate to accelerate test design, failure analysis, and automation development while protecting confidential information.

Skills

Python-based test automation

Linux/Unix administration

AI-assisted testing

Network security testing

Education

Bachelor’s degree in a related field

Tools

Wireshark

tcpdump

Job description

Cisco Systems, Inc. is seeking a Software Quality Engineer to own test areas across physical, virtual, and cloud environments.

You will design risk-based test plans, automate tests in Python, and validate end-to-end workflows for Secure Firewall products, collaborating with cross-functional teams to ensure quality and reliability before release. The role emphasizes hands-on testing, AI-assisted tooling, and strong communication as you reproduce complex failures, build test environments, and