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18 d agofound 2 h ago
Software Engineer, EOS Layer 2 and Network Services
Posted by Arista Networks on 22 September 2026, 18 days ago. Still on their SmartRecruiters board when we checked 16 min ago.
What the posting is about
Design, develop, and maintain Layer 2, network management, monitoring, and security features using C, C++, and Python. Collaborate with cross-functional teams to deliver top-notch network solutions. Troubleshoot and resolve network issues. Requires BS in CS/EE/CE with 3+ years of experience or equivalent.
Read out of the posting
Levelmid
Experience asked3+ years
EmploymentFull time
LocationNashua, NH, United States
RemoteNot stated
Visa sponsorshipNot stated
SalaryNot published, and most postings do not
Posted2026-09-22
Found viasmartrecruiters, direct from their system
We saw it 18 days after it went up.
The posting, as the company wrote it
Employment: Full-time
Experience level: Mid-Senior Level
Job Description
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
Work independently or as part of a team to design, develop and maintain Layer 2, network management, monitoring and security features using C,  C++  and  Python
Understand requirements from customers, product managers and field engineers, and write functional specifications
Own all aspects of development and delivery of  software
Build automated tests and infrastructure to test the features
Work with support engineers and customers to troubleshoot and resolve problems in their networks
Work with the System  Test  Engineers to analyze problems found in their tests and provide fixes for those problems
Qualifications
BS in CS/EE/CE + 3 years experience, an MS + 1 year experience, a Ph.D., or equivalent work experience
Proficiency in C or  C++  and  Python
Software  development experience with Linux
Understanding and ability to apply  software  engineering principles
Strong problem solving and  software  troubleshooting skills
Strong communication skills and the ability to work in a small team environment
Hands on experience developing networking or distributed  systems   software  is a plus
Knowledge of layer 2 protocols like  802.1X ,  MACsec , LACP, STP, etc is a plus
Knowledge of network management and monitoring protocols like  AAA ,  DNS ,  DHCP , SNMP, SFlow, IPFIX, OpenConfig etc is a plus
Additional Information
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.
Company Description
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.
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