POC Engineer

AristaNetworks

Dublin, County Dublin, Ireland permanent

Posted: September 25, 2025

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

The POC team is a group of high caliber networking experts who are responsible for designing and demonstrating cutting-edge Arista Networks solutions. This is a customer-facing test role that drives new customer wins and introductions of new technologies to our worldwide customers.

What You’ll Do

• Design ingenious network topologies and creative tests to prove advantages of Arista products, technologies and solutions to our largest customers
• Build and configure complex test topologies and perform rigorous POC tests
• Demonstrate Arista's solutions to customers and provide test reports
• Collaborate with industry-leading Systems Engineers to design network solutions for Arista's largest customers
• Innovate and develop testing and productivity improvement tools
• Improve Arista product offerings and quality through feature enhancement proposals, bug reports, and engineering reviews
• Author white papers and design guides on Arista products and technologies and POC methodologies

• BS CS/CE/EE. MS degree preferred
• 5+ years of experience in software test, system test, proof of concept tests, network consulting, systems engineering, or advanced services
• CCIE certification is a plus
• In-depth knowledge and experience in deploying, testing and troubleshooting: STP, LACP, BGP, OSPF, ISIS, BFD, NSF, MPLS, IGMP, PIM SM/SSM, ACL, QoS and HA
• Experience in network virtualization technologies such as VXLAN, OpenStack, etc.
• Experience in integrating firewalls, load balancers, and virtualization controllers in virtualized networks
• Experience in routing & switching hardware platform tests
• Experience with IXIA or Spirent for traffic generation and protocol emulation
• Experience in server virtualization and Linux tools
• Experience in scripting using Python, Tcl, Perl, etc.
• Strong written and verbal communication skills
• Ability to operate with a high degree of independence and manage projects
• Enjoy cross-functional collaboration and shared responsibility in small team settings
• Enjoy on the job learning of new technologies

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