Network Engineer - Test (Intern)

Arista Networks; Dublin; On-site; EUR 12,000 - 17,000; Full time

Job summary

Arista Networks in Ireland invites an energetic Network Engineering student to join our Internship Programme. You will work with a dedicated mentor in the Testing Team to design, test, and validate network features, gaining hands-on experience with industry-leading equipment.

This six-month, full-time onsite internship offers exposure to routing, switching, and cloud networking, plus opportunities to learn Python scripting and Linux basics while contributing to real product testing.

Qualifications

• Pursuing a BS/MS/PhD in CS/EE/CE or related field.
• Understanding of core networking protocols.
• Familiarity with scripting (e.g. Python).
• Basic understanding of the Linux operating system.
• Excellent problem-solving and analytical abilities.
• Strong written and verbal communication skills and collaboration.

Responsibilities

• Design and test network topologies with mentor to validate functionality and scalability.
• Write and execute test plans to verify features and products.
• Identify defects and validate resolutions.
• Conduct test plan reviews to capture customer-centric use cases.

Skills

Networking fundamentals

Python scripting

Linux basics

Problem solving

Communication

Education

BS/MS/PhD in CS/EE/CE or related

Tools

Python

Linux

Job description

Arista Networks is the leader in software driven networking solutions for today’s largest Data Center (DC), Cloud, Internet/WAN, Service Provider (SP) and Campus environments. Arista has over 7500 customers ranging from the largest cloud providers, to healthcare, government, carrier, finance, education, and production web/SaaS companies. Arista's products are the foundation underpinning much of modern society's operations.

Arista has ambitious plans and an unprecedented opportunity for growth and we are looking for many more engineers and designers to join us in building and innovating the world's networks. Arista is a profitable, publicly quoted company with revenues of over $2B with a culture of invention, quality, respect, and fun.

One of the many attractions of joining Arista is that right from the top, Arista is an engineering company. The founders and engineering managers are all engineers who understand good software engineering and the importance of doing things right.

Job Description

Arista Networks is looking for Network Engineering Students to join our Internship Programme, helping us test the highest-quality networking products available. You will work alongside a dedicated mentor in the Testing Team for the duration of your internship, helping us explore, find and fix bugs, while we help you build upon your existing academic knowledge and skills.

You don’t need to tick every box to apply, if you’re excited about networking and willing to learn, we’d love to hear from you.

What you will do:

• Work with your mentor to design and test network topologies, validating functionality, performance, stability and scalability of Arista's features and products.
• Write and execute test plans to verify all aspects of the feature and product, ensuring comprehensive coverage.
• Identify defects and validate resolution.
• Conduct test plan reviews to solicit feedback and identify customer-centric use cases.

What you will learn:

• Networking Fundamentals: Strengthen your understanding of Network Design, Routing and Switching, IP Addressing
• Networking Protocols: Gain hands‑on industry experience with Layer 2 and Layer 3 protocols (TCP, UDP, IP, BGP, OSPF, STP…) and have exposure to Cloud Titans network design and cutting‑edge technologies.
• Network Automation: Gain insight into how we use common scripting languages to automate various elements of our testing workflow and test at scale.
• Testing Methodologies: Learn structured approaches to testing features and products across multiple areas, focussing on Functionality, Performance, Stability, Reliability, Scalability and Interoperability.
• Troubleshooting Methodologies: Learn troubleshooting methodologies by actively diagnosing the issues you encounter.

Qualifications

• Pursuing a BS/MS/PhD in Computer Science/Electrical Engineering/Computer Engineering or related field
• Understanding of core networking protocols (but mostly just a love and aptitude for network engineering).
• Familiarity with scripting (e.g. Python)
• Basic understanding of the Linux operating system.
• Excellent problem-solving and analytical abilities.
• Strong written and verbal communication skills, as well as collaboration skills.

Additional Information

All information provided will be kept confidential in accordance with EEO guidelines.

The candidate must be able to complete a 6-month onsite internship working a full-time schedule.

Candidate must be eligible to work in the Republic of Ireland (no work VISA sponsored)