[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Arista Networks jobs](https://jobs.opennash.com/companies/arista-networks/) · [Search jobs](/search/) Arista Networks · Nashua, NH # Software Engineer, EOS Layer 2 and Network Services Nashua, NH, United States Full-time Software Engineering Listed on Arista Networks’s official careers site. Posted September 22, 2026. Check that it is still open and apply there. [Apply on Arista Networks’s careers site →](https://jobs.smartrecruiters.com/AristaNetworks/744000151028412-software-engineer-eos-layer-2-and-network-services) [OpenNash Jobs](https://jobs.opennash.com/) / [Arista Networks](https://jobs.opennash.com/companies/arista-networks/) / Software Engineer, EOS Layer 2 and Network Services ## 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 ## At a glance - Posted by the employer: Sep 22, 2026 - First seen by OpenNash: Oct 10, 2026 - Last checked: Oct 17, 2026 - Listed for: 25 days - Location: Nashua, NH, United States - Employment type: Full-time[Apply on Arista Networks’s careers site →](https://jobs.smartrecruiters.com/AristaNetworks/744000151028412-software-engineer-eos-layer-2-and-network-services) ## More jobs at Arista Networks ### [BIOS Senior/Lead Software Engineer](https://jobs.opennash.com/companies/arista-networks/jobs/0eee0936a6bb34d8b2f8/) Nashua, NH, United States ### [BIOS Software Engineer](https://jobs.opennash.com/companies/arista-networks/jobs/1c3fdc7955de4c42a730/) Nashua, NH, United States ### [Diagnostics Software Engineer](https://jobs.opennash.com/companies/arista-networks/jobs/bcb2a2b16f9173d05aea/) Nashua, NH, United States ### [Lead Software Engineer, Network Systems](https://jobs.opennash.com/companies/arista-networks/jobs/97067952f2bff82eae6a/) Nashua, NH, United States ### [Lead Software Engineer, Packet Forwarding](https://jobs.opennash.com/companies/arista-networks/jobs/5c139dd8e85add0b86a2/) Nashua, NH, United States ## Similar jobs at other companies ### [Pipe Layer](https://jobs.opennash.com/companies/sterling-construction/jobs/3a7dc9b2bb12bd605675/) Sterling Construction · Dallas, TX ### [Pipe Layer](https://jobs.opennash.com/companies/sterling-construction/jobs/366142e268641cb06287/) Sterling Construction · Tulsa, OK ### [Architect / Senior Principal Software Development Engineer (Layer 7 Security & Proxy)](https://jobs.opennash.com/companies/zscaler/jobs/bce059e7c6edcd82565c/) Zscaler · Office - Santa Clara, USA ### [Senior Software Engineer, D Management Layer](https://jobs.opennash.com/companies/alphabet/jobs/874f7fb37d9b3196d765/) Alphabet · New York, NY, USA ### [Software Engineer - Hardware Abstraction Layer, AWS Machine Learning Accelerators](https://jobs.opennash.com/companies/amazon/jobs/326eedc44a41a6f43bc9/) Amazon · US, CA, Cupertino OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)