Lead Software Engineer, EOS Layer 2 & Network Services

Arista; Nashua (NH); On-site; USD 120,000 - 170,000; Full time

Job summary

Arista Networks in Nashua, NH, is seeking a Senior/Lead Software Engineer for EOS Layer 2 and Network Services. You will architect and develop Layer 2, network management, and security features using C/C++, Python on Linux, and lead a high-performance, distributed software team.

You’ll own feature delivery, write tests, mentor engineers, and collaborate with global teams on scalable networking solutions in data centers and campuses. Strong leadership and communication are essential.

Qualifications

• BS CS/EE/CE + 6 years experience, or MS +4 years, or PhD +3 years, or equivalent work experience
• Expert knowledge of C or C++ and Python
• Linux software development experience
• 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

Responsibilities

• 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

Skills

C/C++

Python

Linux

Technical leadership

Troubleshooting

Distributed systems

Education

BS CS/EE/CE + 6 years

MS CS/EE/CE + 4 years

PhD CS/EE/CE + 3 years

Tools

CLI

REST APIs

Job description

Arista Networks in Nashua, NH, is seeking a Senior/Lead Software Engineer for EOS Layer 2 and Network Services. You will architect and develop Layer 2, network management, and security features using C/C++, Python on Linux, and lead a high-performance, distributed software team.

You’ll own feature delivery, write tests, mentor engineers, and collaborate with global teams on scalable networking solutions in data centers and campuses. Strong leadership and communication are essential.