Software Engineer Cloud EOS Team
AristaNetworks
Posted: March 9, 2026
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Quick Summary
We are looking for a Software Engineer to join the EOS Team at Arista Networks, where you will be working on innovative software solutions for large data center, campus and routing environments. The ideal candidate will have expertise in software development, cloud computing, and network architecture, with a strong passion for innovation. The successful candidate will be based in Dublin, Ireland, and will be working on a high-performance team.
Required Skills
Job 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.
Who You'll Work With
As a core member of the CloudEOS team, you will be part of a fast paced, high-caliber team building cutting edge software products for Cloud-enabled WAN connectivity. The team is responsible for all aspects of the development and delivery of control plane, software data plane, and management platform/APIs/services.
What You'll Do
We are building disruptive products and services that deliver highly automated networks that interconnect and secure connectivity between various global locations. As a part of the team you will be exposed to wide variety of technologies like EOS (Extensible Operating System), multithreading, multicore software forwarding based on DPDK, public cloud (AWS, Azure, GCP) infrastructure, Path selection, NFV, Containers, Network Segmentation, Virtualization, microservice based architectures, CI/CD pipelines, and Terraform-based declarative provisioning models.
 
Basic qualifications
• Bachelor's/Master's degree in Engineering
• 3+ years of experience working as a Systems Software Development Engineer
• Proficiency in C/C++ programming language
• Software Development experience with Linux
• Strong communication skills and the ability to work in a team environment
 Preferred qualifications
• Experience with DPDK, Software Forwarding, DPI based application recognition
• Experience with Qos and secure communication using IPSec
• Python and/or Golang development experience
• Experience working through the complete software development life cycle right from requirements gathering to delivering the fully developed feature.
• Strong software debugging skills especially in embedded systems. 
• Experience in Network Systems Software development is a plus
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Hiring in Locations: Dublin Ireland, Kraków Poland, Bucharest Romania, Budapest Hungary, Athens Greece.