Software L1 Test Engineer
Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Dec 30, 2025. Arista Networks scores B on the Alion truth index.
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
Arista Networks is looking for world class Software Test Engineers to join our fast-paced, high caliber team responsible for validating the products and solutions developed at Arista Networks.
You will work with software development engineers, hardware engineers, field support engineers and software test engineers to gather technical requirements, create software test plans, and validate that the product meets our customer’s requirements. You will also work with our customer support and engineering teams to help address escalated customer issues by reproducing, and debugging customer issues in the lab.
This role demands a strong and broad networking background with a good understanding of Ethernet switching, signaling and data communication. Knowledge and skills related to software test methodologies and the use of test tools is also important.
What You’ll Do
- Create and execute test plans that complement other testing and involve scale, stress, interoperability, and customer scenario testing to validate features and products in optical, data communication and power over ethernet.
- Knowledge of the theory of high performance computing, communications and networking.
- Work with Customer Support and Software Development teams to understand and reproduce customer found defects and validate fixes.
- Install and configure test tools like Teledyne, Sifos, Reach and Ixia to emulate devices in test environment.
- Log and track failures in bug tracking system. Troubleshoot failures and work with software and hardware development team to get them fixed.
- Review functional specs and test plans and provide feedback.
- Create and manage the schedule for assigned test efforts.
- Use and/or develop scripts and tools to facilitate testing.
- Assist and mentor other less experienced Software Test Engineers.
- BS CE/EE plus 1 year of experience or MS.
- Strong knowledge in two or more of the following areas: power over ethernet, analog signals, optical communication, fiber optics, ethernet network switches.
- Experience in developing test methodologies.
- Experience configuring, testing, trouble-shooting, or supporting ethernet network switches.
- Experience with Ixia, Spirent, Wireshark, tcpdump, or a similar network traffic generation or packet capture/analysis tool.
- Experience with Teledyne, Sifos, Reach or similar signaling or load emulator tools
- Familiarity with at least one of the following: Linux, network management, or scripting.
- Strong communication and teamwork skills.
The new hire base pay for this role has a pay range of $110,000 to $185,000. Arista offers different pay ranges based on work location, so that we can offer consistent and competitive pay appropriate to the market. The actual base pay offered will be based on a wide range of factors, including skills, qualifications, relevant experience, and work location.
The pay range provided reflects base pay only and in addition certain roles may also be eligible for discretionary Arista bonuses and equity. US-based employees are also entitled to benefits including medical, dental, vision, wellbeing, tax savings and income protection. The recruiting team can share more details during the hiring process specific to the role and location.
Arista Networks is an equal opportunity employer. Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law. All your information will be kept confidential according to EEO guidelines.