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Network Systems Engineer; Pre-Sales

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Arista Networks
Full Time position
Listed on 2025-12-01
Job specializations:
  • IT/Tech
    Systems Engineer, Cloud Computing
Job Description & How to Apply Below
Position: Network Systems Engineer (Pre-Sales)
Location: St. Louis

Overview

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. 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.

What You’ll Do

We are experiencing tremendous growth and have an immediate need for a creative, collaborative, self-motivated Pre-Sales Network Systems Engineer to partner with our Account teams to provide pre-sales technical systems engineering support for our enterprise customers in the St Louis area.

The Systems Engineer is a critical component of the Arista Sales team with the key responsibility of acting as a trusted advisor for our customers to gather requirements and identify opportunities with existing and new customers.

  • Collaborate with Arista Account Managers to gain an in-depth business and technological understanding of our enterprise clients and conduct whiteboard network architectural reviews to identify areas for improvement in network performance and efficiency
  • You will conduct Arista product presentations of Arista’s Open Networking Data Center, Cognitive Campus (including WIFI), AI and Velo Cloud SD-WAN networking solutions, in addition to the Arista Cloud Vision (Network Automation), Security (Network Detection), Endpoint Security and Real-time Fabric Monitoring solutions.
  • You will OWN the pre-sales and post-sales technical relationship with the assigned customers and channel partners
  • Build and maintain a deep, sound knowledge of all Arista technologies, in order to support and help in the enablement of channel partner engineers and customers’ engineers and architects
  • Execute technical Quarterly Business Reviews with customer base
  • Support onsite requirements at the customer site
  • Facilitate technical training on Arista’s products, differentiators, solutions, and demos
  • You will architect, design and propose Arista Data Center & Campus network solutions using leaf-spine architectures (VxLAN, EVPN) and network overlays to capture additional sales.
  • Perform hands-on testing to validate customer proof-of-concept setups, Data Center and/or Campus network designs, and network deployments using new products and features.
  • Put together design guidelines and recommend improvements to customers for the networks they support
  • Partner with Sales Team to respond to RFP/RFQs
  • Author feature requests, business justifications, and provide feedback to the Product Management, Hardware Development and Software Development organizations
  • Represent Arista at industry events and conferences, including potential speaking roles.
  • Present technical content to worldwide organizations both virtually and in-person
  • Create technical marketing materials for the global Arista organization
  • Author white papers on technology and product
  • Travel expectations is approximately 15-30%
Qualifications
  • BS/CS/CE Business or Technical degree required; MBA/MS degree a strong plus
  • Network Industry Certification preferred (e.g. CCIE (R&S), JNCIE, ACE-5,6,7)
  • You possess a minimum of 5+ years of L2/L3 networking design and implementation experience with a focus on Data Center, Campus, and WIFI solutions
  • Strong presentation and selling skills including communication of complex technical material
  • Solid understanding and knowledge of how to build successful relationships between an equipment manufacturer and a customer base of executives, architects, engineers and operations teams
  • Good interpersonal skills, customer relations skills, and problem management skills, with the ability to stay calm and professional under pressure while working to strict deadlines
  • Experience creating technical material (slides, white papers, battle cards, solution guides, etc)
  • Demonstrated work experience as either a Sales Engineer, Solutions Architect, Pre-Sales SE or Network Consulting Engineer preferred
  • Expert knowledge in the following areas:
    Ethernet, RSTP/ MSTP, VLANs, IP Routing, TCP/IP, OSPF, BGP, eBGP, VxLAN, EVPN, Multicast, Spanning Tree, QoS
  • Expert level knowledge of industry-standard CLI
  • Previous experience building network automation using Python and Ansible HIGHLY desired.
  • Strong writing skills and ability to create…
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