Network Security Test Engineer

Who You’ll Work With

You will collaborate closely with security developers, QA engineers, product managers, and DevOps teams to ensure the delivery of robust and reliable security solutions. This role involves cross-functional interaction and continuous communication with multiple stakeholders across engineering and product teams.

What You’ll Do

You will be responsible for ensuring the quality, reliability and performance of Arista’s Network Detection and Response (NDR) and Edge Threat Management (ETM) products. This role requires a good understanding of network security, hands-on experience with network testing tools, and proficiency in test automation. You will be responsible for designing and executing comprehensive test strategies, analyzing results, and working closely with development and product teams to deliver high quality, robust security solutions.

• Understand technical specifications and functionality of Arista Security products: NDR (Network Detection and Response) and ETM (EdgeThreat Management)
• Create clear, concise, and comprehensive automated test cases for functional, regression, integration, scaling and performance testing
• Be insightful and diligent to anticipate and skillfully manage challenging edge cases and various failure scenarios
• Be highly effective in writing clean, efficient code for building reliable, maintainable solutions and successfully deploying them into our production test automation infrastructure. Be proactive in enhancing and maintaining it
• Demonstrate ability to complete the assigned tasks on time with a strong sense of ownership and accountability
• Design and build network topologies for feature, systems (solution/Integration), scaling and performance testing
• Employ network testing tools such as IPerf, IXIA, Nmap and BreakingPoint to evaluate the functionality, performance, reliability, and interoperability of security systems
• Analyze test failures to identify defects. Manage the resolution and verification process for identified defects.
• Automate test cases using Python and Robot frame work
• Participate in technical discussions, testplan reviews and code reviews
• Document testing processes and outcomes. Clearly communicate project and testing progress to stakeholders
• Contribute to the ongoing enhancement of our test strategies, methodologies, tools, and processes through innovative approaches
• Be part of a culture of continual improvement and mutual support with expectations to keep pushing the envelope and solve difficult problems
• Mentor and collaborate with junior engineers by sharing your knowledge and experience

Qualifications

• BE/ B.Tech/ME/M.Tech with 5-8 years of networking industry experience
• Strong programming experience in Python and the Robot automation framework
• Hands-on experience with Git reviews and merging pull-requests
• Hands-on experience configuring routers and firewalls (including Next-Generation Firewalls)
• Strong understanding of IP Routing, network protocols (TCP/IP, DNS, DHCP), VPNs and network traffic analysis tools (e.g., Wireshark)
• Experience with performance testing, load testing, and system scalability
• Experience using traffic tools such as BreakingPoint, IxNetwork, IxLoad
• Experience working in Linux (command line usage, troubleshooting and basic system administration)
• Ability to analyze user stories and technical specifications to create effective and comprehensive test cases
• Excellent communication and collaboration skills for working in cross-functional teams and articulating technical concepts clearly.
• Experience in IDS/IPS and related security technologies is a plus
• Experience with traffic tools like NMap, Nessus, Scapy, IPerf and monitoring tools like Grafana is a plus
• Experience with REST APIs and Postman is a plus
• Knowledge of cloud platforms (AWS, Azure, GCP) and their native security services is a plus