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 clients 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.

Qualifications :

- Bachelors 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, leafspine, 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.