Network Engineer - Test

aristanetworks· Software Engineering
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About this role

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.

Job Description

Who You'll Work With

Arista Networks is looking for world-class Network Engineers to help us test the highest quality networking products you can buy. At Arista, you will work side by side with the developers, helping us to explore, find and fix our bugs before they can reach our customers.

You’ll bring your intelligence, creativity, and drive to work every day to help us understand how our products are going to be used by our customers. Your job is to find the hard bugs before our customer do.You will NOT spend your time running manual regressions of mind numbing, 1000 page test plans, because Arista’s developers automate all the basic functional and integration tests. Instead, you’ll bring your intelligence, creativity, and drive to work every day to help us understand how our products are going to be used by our customers and to make sure that they’re going to work every time. Your job is to find the hard bugs, the ones not easily exposed by the developers’ automated unit and product level tests.

What You'll Do

  • Use every means possible to find the bugs in the software and/or hardware being developed by your team.
  • Write test plans to validate Arista features and products.
  • Design test network topologies to validate functionality, performance, stability and scalability of features and products.
  • Execute test plans to verify all aspects of the product. Identify defects and validate resolution.
  • Work as an agile member of a combined development and test team, running in short cycles to develop functional software in quick iterations.
  • Work with the developers on your team in creating their plans for automated tests to complement the exploratory testing that you perform. Be the testing expert for your team.
  • Participate in functional specification and software design reviews held by your team and provide customer centric input.

Qualifications

  • Proven expertise in creating test methodologies and writing test plans.

  • Strong knowledge in one or more of the following areas: Ethernet, RSTP/ MSTP, VLANs, IP Routing, TCP/IP, OSPF, IS-IS, BGP, IGMP, PIM SM/ SSM, QoS, L2-L3 protocols, Platform validation, HA, QOS, network management.

  • Experience with IXIA and/or Spirent test tools desired.

  • Familiarity with test automation tools and scripting languages desired.

  • BSc CS/CE/EE plus 3+ years of experience.

  • MSc degree preferred.

  • Strong communication skills.

  • CCNP (or equivalent experience).

  • CCIE certification is a plus.

Additional Information

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Frequently Asked Questions

Is the salary disclosed for the Network Engineer - Test position at aristanetworks?
The salary for this Network Engineer - Test role at aristanetworks is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Network Engineer - Test position at aristanetworks located?
This Network Engineer - Test role at aristanetworks is based in County Dublin, Dublin, Dublin, County Dublin, Ireland, ie. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Network Engineer - Test role at aristanetworks full-time or part-time?
This is listed as a Full time position. It is posted as a Network Engineer - Test role in the Software Engineering department at aristanetworks.
Which team or department does the Network Engineer - Test at aristanetworks belong to?
This Network Engineer - Test position is part of the Software Engineering department at aristanetworks. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Network Engineer - Test position at aristanetworks?
Click the "Apply Now" button on this page. You will be redirected to aristanetworks's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Network Engineer - Test job at aristanetworks posted?
This Network Engineer - Test position at aristanetworks was posted on Feb 20, 2026. Apply as soon as possible — early applications are often reviewed first.
Network Engineer - Test
aristanetworks
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