Network Security Test Engineer

Company Description

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. Arista is a well-established and profitable company with over $7 billion in revenue. Arista’s award-winning platforms, ranging in Ethernet speeds up to 800G bits per second, redefine scalability, agility, and resilience.  Arista is a founding member of the Ultra Ethernet consortium. We have shipped over 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Arista is committed to open standards, and its products are available worldwide directly and through partners.

At Arista, we value the diversity of thought and perspectives each employee brings. We believe fostering an inclusive environment where individuals from various backgrounds and experiences feel welcome is essential for driving creativity and innovation.

Our commitment to excellence has earned us several prestigious awards, such as the Great Place to Work Survey for Best Engineering Team and Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest quality and performance standards in everything we do.

Job Description

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

Additional Information

Arista stands out as an engineering-centric company. Our leadership, including founders and engineering managers, are all engineers who understand sound software engineering principles and the importance of doing things right.

We hire globally into our diverse team. At Arista, engineers have complete ownership of their projects. Our management structure is flat and streamlined, and software engineering is led by those who understand it best. We prioritize the development and utilization of test automation tools.

Our engineers have access to every part of the company, providing opportunities to work across various domains. Arista is headquartered in Santa Clara, California, with development offices in Australia, Canada, India, Ireland, and the US. We consider all our R&D centers equal in stature.

Join us to shape the future of networking and be part of a culture that values invention, quality, respect, and fun.