Advisory Systems Engineer

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. Arista is a well-established and profitable company with over $8 billion in revenue. Arista’s award-winning platforms, ranging in Ethernet speeds up to 800G bits per second, redefine scalability, agility, and resilience.  Arista is a founding member of the Ultra Ethernet consortium. We have shipped over 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Arista is committed to open standards, and its products are available worldwide directly and through partners.
At Arista, we value the diversity of thought and perspectives each employee brings. We believe 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 the Great Place to Work Survey for Best Engineering Team and 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 quality and performance standards in everything we do.

Who You'll Work With

Arista seeks an Advisory Systems Engineer to provide advanced post-sales support, guidance, and assistance to account teams to address specific customer needs. In this position, you will be working as a technology expert in the Routing & Switching space to design, implement, and support (troubleshoot) our deployments within a number of customer infrastructures. The ideal candidate will also have a level of comfort communicating across all functions within Arista, as well as with clients and partners.

What You'll Do

• You will provide advanced Pre-Sales & Post-sales engineering support as trusted advisory for Arista's Open Networking Data Centre and Campus networking deployments for our enterprise and commercial customers.
• You will provide customer advice regarding architectural questions, product prerequisites, product features, etc.
• Translate complex business requirements into Leaf-Spine Network solutions
• Assist Pre-Sales Engineer and Account Executives with designing Network solutions
• Review customer network designs for an EVPN, VxLAN, leaf-spine architecture and make recommendations for deployment
• Assist with implementation and change controls
• You will assist with proof of concepts (POC) and in-depth testing to validate design scenario
• Provide bug scrubs and code recommendations
• Provide interface to TAC and internal development teams and the customer
• Establish and maintaining strong relationships with key partners
• Attend key partner events, training sessions, and provide ongoing training with the customer teams globally
• Continue training to maintain expertise
• Ability to understand the client’s business objectives and technical needs
• Ability to meet Service Level Agreements (SLAs) for sales and clients
• Regularly exercises discretion and independent judgment
• Maintain professional relationships with teammates, partners, and clients

• Bachelor’s degree in Computer Science, Electronics, or related field; advanced vendor certifications (ACE, CCIE, JNCIE) preferred.
• 7+ years designing and deploying large-scale data center and enterprise campus networks, including wireless, routing, security, and NAC.
• Deep expertise in EVPN/VXLAN, leaf–spine, OSPF, BGP, multicast, and segmentation strategies.
• Proven track record in network automation (Python, Ansible, APIs) and feature evaluation for high-performance environments.
• Strong customer-facing skills — able to lead complex design discussions, deliver compelling technical presentations, and influence C-level decisions.
• Excellent documentation, communication, and collaboration skills; able to operate as a trusted advisor to customers and partners.

Arista stands out as an engineering-centric company. Our leadership, including founders and engineering managers, are all engineers who understand sound software engineering principles and the importance of doing things right.
We hire globally into our diverse team. At Arista, engineers have complete ownership of their projects. Our management structure is flat and streamlined, and software engineering is led by those who understand it best. We prioritize the development and utilization of test automation tools.
Our engineers have access to every part of the company, providing opportunities to work across various domains. Arista is headquartered in Santa Clara, California, with development offices in Australia, Canada, India, Ireland, and the US. We consider all our R&D centers equal in stature.
Join us to shape the future of networking and be part of a culture that values invention, quality, respect, and fun.