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Arista Networks Tech Stack

Cloud-native networking infrastructure for hyperscale data centers

Computer Networking Products Santa Clara, California 1,001–5,000 employees Founded 2004 Public Company

Arista Networks operates a dual-layer business: commodity switching hardware (moving away from Cisco and Juniper) paired with a modern software stack (Python, Go, Kafka, Kubernetes, ClickHouse) for network analytics and control. The company is actively absorbing WiFi capabilities while scaling manufacturing and compliance workflows, matching a strategic pivot from appliance-centric to software-defined cloud networking.

Tech Stack 187 technologies

Core StackPython Linux Go ClickHouse Elasticsearch Kafka Kubernetes C++ AWS Java Arista C/C++ 802.1X MACsec DHCP RADIUS BGP OSPF IS-IS EVPN Segment Routing VPLS HBase Ambassador Zookeeper Linux Kernel BIOS C Arista EOS Creo+153 more

AdoptingWiFi

ReplacingCisco Juniper

What Arista Networks Is Building

◆Challenges

Improving manufacturing yield
Ensuring compliance with government standards
Scaling out platform
On-time delivery of hardware replacements
Driving transformation to software defined cloud networking
Modernizing legacy networks
Stable and reliable physical connectivity
Siloed legacy it systems
Expanding into new markets
Improving network performance and efficiency

▲Active Projects

Sonic software development
Diagnostic software for high-speed digital design validation
Network management and analytics applications
Developing new access points
Automated test infrastructure
Next chassis design
Ci/cd pipeline
Sales strategy implementation for tier 2 financial services accounts
Wi-fi campus quality improvement
Develop configuration management services in go and python to support yang, openconfig, netconf, restconf over grpc, ssh, and ssl.

Hiring Activity

Steady440 roles · 160 in 30d

Department

Engineering

232

Sales

128

Support

24

Ops

9

Manufacturing

7

Finance

6

Logistics

5

Legal

3

Seniority

Senior

196

Mid

174

Junior

16

Lead

16

Manager

14

Director

4

Intern

2

Principal

2

Notable leadership hires: Client Director, Sales Director

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About Arista Networks

Arista Networks designs and manufactures network switching hardware and operating systems for large data centers, campuses, and routing environments. The company's product foundation is Arista EOS, a proprietary network operating system running on custom switching chassis, complemented by cloud-native analytics and management layers built on open protocols (YANG, OpenConfig, NETCONF, RESTCONF). Primary customer segments include hyperscale cloud operators and large enterprises modernizing legacy network infrastructure. With 1,001–5,000 employees across engineering, sales, and global manufacturing, Arista operates a geographically distributed workforce spanning the US, Europe, Asia-Pacific, and Middle East.

HeadquartersSanta Clara, California

Company Size1,001–5,000 employees

Founded2004

Hiring MarketsUnited States, Ireland, Canada, Hungary, Romania, India, Australia, France

Frequently Asked Questions

What is Arista Networks' tech stack?

Core: Arista EOS, C/C++, Linux, Python, Go. Data plane: BGP, EVPN, Segment Routing, OSPF, IS-IS, MACsec, 802.1X. Analytics: Kafka, Elasticsearch, ClickHouse, HBase. Infrastructure: Kubernetes, AWS, GRPC, SSH, SSL, NETCONF, RESTCONF.

What products is Arista Networks developing?

Next-generation chassis hardware, WiFi access points, network management and analytics applications, SONiC software integration, YANG/OpenConfig configuration management services, and CI/CD automation for hardware validation and testing.