Software Engineer (Routing)

Arista Networks; Bengaluru; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

Arista Networks in Bengaluru, India is seeking experienced engineers to contribute to routing protocol software in a globally distributed team. You will design, implement, and test features for BGP, OSPF, ISIS, and related data-center technologies, leveraging C/C++, Python, and Linux ecosystems.

The role emphasizes software quality, test automation, and collaboration across geographies. Candidates should have 5–10 years of relevant experience and a deep understanding of IP networking principles.

Qualifications

• 5–10 years of related work experience in routing or distributed systems.
• Proficiency in C/C++ and UNIX/Linux environments.
• Understanding of IP routing protocols (RIP, OSPF, BGP, IS-IS).

Responsibilities

• Write functional and design specifications for small routing protocol features.
• Implement solutions in C, C++, and Python for routing protocol software.
• Create test plan specifications and automated tests for routing features.
• Debug issues found by automated tests and fix defects.
• Collaborate with a team to tackle larger routing protocol challenges.

Skills

C/C++ programming

UNIX/Linux

IP routing protocols

Distributed systems

Software engineering principles

Problem solving

Education

Bachelor's/Master's/PhD in CS/EE/CE

Job 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 $8 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

The EOS Routing PI team is responsible for developing routing protocols like BGP, OSPF and ISIS and Data Center and SP technologies like MPLS, Segment Routing and EVPN. A unique feature of the Arista routing team is that the routing software is common across Campus, Data Center and Service Provider routing features. This is a global team that spreads multiple geographies working on cutting edge features that get deployed in the largest Cloud titan, Service Provider, Enterprise and Campus networks.

What You’ll Do

• Write functional specifications and design specifications for small-sized routing protocol features.
• Independently implement solutions to small-sized problems in our routing protocol software, using the C, C++, and python programming languages.
• Write test plan specifications for small-sized routing protocol features, and implement automated test programs to execute the cases described in the test plan.
• Debug problems found by our automated test programs and fix the problems.
• Work on a team implementing, testing, and debugging solutions to larger routing protocol problems.

Qualifications

• B.E./ M.E., MS or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering with 5-10 years of related work experience
• Knowledge of C or C++
• Knowledge of UNIX or Linux
• Understanding of IP networking and IP routing protocols, specifically one of RIP, OSPF, BGP, IS-IS, or PIM.
• Hands on experience in the design and development of IP routing protocol or distributed systems software.
• Hands on experience with enterprise or service provider class, ethernet switch/router system software development, or significant PhD level research in the area of network routing and packet forwarding.
• Applied understanding of software engineering principles
• Strong problem solving and software troubleshooting skills.
• Ability to design a solution to a small-sized problem, and implement that solution without outside help. Able to work on a small team solving a medium-sized problem with limited oversight.

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.