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Arista Networks

Software Engineer- SONiC

LocationBengaluru, KA, in
Typefull-time
SeniorityMid
Experience3–9 yrs
DepartmentSoftware Engineering
Company size5,001–10,000 people
First seenOct 3, 2026 · 1w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Must have4
Strong engineering and Computer Science fundamentals
Extensive background in algorithms and strong software architecture skills
Fluency in one of C/C++/Python programming
Hands-on experience with designs and implementations in a strong product-engineering environment
Nice to have11
3-9 years of experience in software development
A minimum of one year of hands-on SONiC experience
Understanding of SONiC architecture
Knowledge of the FRR open routing stack (formerly Quagga, Zebra), Redis-DB, and Docker
Experience using SONiC SAI for new feature development and integration
Experience in Network Systems Software development
Strong software debugging skills especially in embedded systems
Experience with software development for the forwarding ASICs, FPGAs, Network Processors etc
Datapath forwarding for ACLs, QoS, Unicast, Multicast, etc is a plus
Strong communication skills and the ability to work in a team environment
Experience working through the complete software development life cycle
Skills
C
C++
Python
SONiC
FRR
Quagga
Zebra
Redis-DB
Docker
FPGAs
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 $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
Arista strengthened its commitment to open network software by introducing Arista switches Powered by SONiC (Software for Open Networking in the Cloud). Enabled by a new Arista SAI (Switch Abstraction Interface) offering, customers now have the flexibility to deploy SONiC software on Arista switching platforms, combining the benefits of open-source software with Arista EOS® for open, high performance, highly available networks.
https://www.arista.com/en/company/news/press-release/10694-pr-20200505
What You’ll Do
As a Software Engineer, your core responsibility is to deliver new cutting edge product features. A major part of this is writing and owning the design/implementation of the code that drives our products. However, the role of a Software Engineer is much bigger than ‘simply’ writing code. Software engineers work on the whole development process, including:
· Suggesting and deciding what features to build
· Design, architect and develop network applications and microservices for Data Center
Networking on SONiC
· Pushing, testing, documenting the feature
· Working alongside customers in the field if needed
Qualifications
Are you right for this role?
This is an interesting and exciting opportunity to be a part of the software development team that is
redefining Data Center switching. For success at Arista all you need is:
· Strong engineering and Computer Science fundamentals
· Extensive background in algorithms and strong software architecture skills
· Fluency in one of C/C++/Python programming
· Hands-on experience with designs and implementations in a strong product-engineering
environment
Preferred qualifications
· A minimum of 3-9 years of experience in software development
· A minimum of one year of hands-on SONiC experience is a must
o Understanding of SONiC architecture
o Knowledge of the FRR open routing stack (formerly Quagga, Zebra), Redis-DB, and
Docker
o Experience using SONiC SAI for new feature development and integration
· Experience in Network Systems Software development
· Strong software debugging skills especially in embedded systems
· Experience with software development for the forwarding ASICs, FPGAs, Network Processors
etc
· Datapath forwarding for ACLs, QoS, Unicast, Multicast, etc is a plus
· Strong communication skills and the ability to work in a team environment
· Experience working through the complete software development life cycle right from
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.
More roles at Arista Networks
Contracts LeadFPGA Design EngineerMechanical Design Engineer (Tooling Design Focus)FPGA Design EngineerMajor Account Manager
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