Senior Network_Advanced Services Engineer

Senior Network Advanced Services Engineer

Full-time

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.

As a member of Arista's Advanced Services team, you are a trusted technical authority for our most strategic customers. Reporting to the Regional Engineering Manager, you will partner with a world-class team of field engineers, technical leaders, and product experts. Your primary focus is on the post-sales success of our customers, ensuring their network designs are robust, their deployments are seamless, and their operations are optimized.

This is a customer-facing role, frequently engaging with clients at their sites to build trust and drive projects forward.

You will work in tight collaboration with our Sales Engineering, Product Management, and Software Development teams to represent the customer's voice, influencing product direction and service offerings. Supported by the expertise of our world-class Arista TAC and state-of-the-art lab resources, you are empowered to serve as a long-term advocate and advisor for our clients.

• Serve as the lead technical expert for the design, deployment, and operationalization of Arista solutions in large-scale Data Center, Campus, and WAN environments.
• Translate complex business requirements into scalable, resilient, and secure network architectures.
• Create and review comprehensive network designs, providing best-practice recommendations to customers during on-site and remote working sessions.
• Lead complex migration and interconnection projects from vendors such as Cisco, Juniper, and Aruba to the Arista EOS®-based infrastructure.
• Develop and implement network automation workflows using Python, Ansible, and other Dev Ops frameworks to streamline configurations and operations.
• Act as a technical advocate for the customer, providing an expert interface to Arista TAC and internal development for bug scrubs, code recommendations, and feature requests.
• Establish and maintain strong, long-term relationships with key customer stakeholders, becoming their trusted technical advisor.

• Partner with the Sales Engineering team by providing deep technical expertise during the evaluation and proof-of-concept (POC) stages.
• Lead in-depth, hands‑on testing to validate complex design scenarios and customer success criteria.
• Attend and present at key customer and partner events; deliver ongoing technical training to customer engineering teams.
• Maintain deep listening skills, customer empathy, humility, and competence to build trust and drive successful outcomes.

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Network Industry Certification (e.g., CCNP; Enterprise/SP, JNCIP, ACE-3/4/5) is highly preferred.
• 5-7+ years of experience in a network engineering, consulting, or professional services role with a focus on large-scale enterprise, data center, or service provider environments.
• Demonstrated experience in a post‑sales focused role…