Senior/Lead Software Engineer, EOS Layer 2 and Network Services

Who You’ll Work With

The EOS Platform Independent (PI) Layer 2 and network services team is responsible for building innovative and scalable solutions in the areas of Layer 2 protocols including 802.1X, LACP, MACsec, Multi-chassis LAG (MLAG), STP, and network management and security services such as AAA (TACACS/RADIUS), DHCP, DNS, IP Locking, Logging, SNMP, SSH/OpenSSL, ZTP etc. This team is also responsible for developing network monitoring software using protocols such as SFlow, IPFIX, and for device configuration using CLI, programmable RPC/REST APIs and SDK. This is a global team spanning multiple geographies working on cutting edge features that are deployed in the largest Campus, Cloud provider, Enterprise and Service Provider networks.

Arista provides an open Engineering-driven culture which fosters innovation and enables engineers to Learn, Lead and Thrive. Our adoption of modern software tools and processes and strong focus on automation enables our engineers to be amongst the most productive in the industry. Arista's products are purpose built with the scale, performance and quality required to operate in some of the most demanding environments in the industry. This provides engineers the platform and rigor to learn and gain experience in building complex, distributed and scalable software systems. Arista engineers collaborate and work seamlessly across various feature areas to deliver top-notch network solutions.

What You’ll Do

• Understand requirements from customers, product managers and field engineers, and write functional specifications
• Architect, design, develop and maintain Layer 2, network management, monitoring and security features using C, C++ and Python
• Author test plans, build automated tests and infrastructure to test the features.
• Work with support engineers and customers to troubleshoot and resolve problems in their networks
• Own all aspects of development and delivery of software
• Provide technical leadership across features, projects and tools
• Mentor new and junior engineers to bring them up to speed in Arista's software development environment
• Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems

• BS Computer Science/Electrical Engineering/Computer Engineering + 6 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 4 years experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or equivalent work experience
• Expert knowledge of C or C++ and Python
• Software development experience with Linux
• Knowledge of layer 2 protocols like 802.1X, MACsec, LACP, STP, etc -or-
• Knowledge of network management and monitoring protocols like AAA, DNS, DHCP, SNMP, SFlow, IPFIX, OpenConfig, etc
• Understanding and ability to apply software engineering principles
• Strong problem solving and software troubleshooting skills
• Demonstrated technical leadership, strong communication skills, and the ability to work in a small team environment
• Ability to design a solution and implement features independently
• Hands on experience developing networking or distributed systems software is a plus

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Arista Networks is an equal opportunity employer. Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law. All your information will be kept confidential according to EEO guidelines.

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.

At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that 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 Best Engineering Team, 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 standards of quality and performance in everything we do.