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Network Systems Engineer (Pre-Sales) - DV Cleared

Posted January 22, 2026
Full-time Mid-Senior Level

Job Overview

Who You'll Work With

We are experiencing tremendous growth and have an immediate need for a self-motivated Pre-Sales Network Systems Engineer to provide pre-sales technical support for our Public Sector customers and prospects in the United Kingdom.

The Network Systems Engineer is a critical component of the Arista Sales team. The main responsibility of the Systems Engineer is acting as a trusted advisor to our customers and prospects to identify opportunities, gather requirements and design creative solutions.

What You'll Do

  • You will proactively partner with Arista Account Managers to understand and solve customer challenges and conduct (white board) network architectural sessions and Arista product presentations.
  • You will architect, design and propose Arista Data Center, Routing & Campus network and security solutions to help generate new or additional sales.
  • You will perform hands-on customer proof-of-concepts and (initial) network deployments using state of the art products and features.
  • You will create design guidelines and recommend improvements to customers for the networks they support.
  • Leading technical responses to RFP/RFQs.
  • Leading customer feature requests from customer requirements to implementation to deployment.
  • Provide (customer) feedback to Product Management and Development.
  • Represent Arista at industry events and conferences.
  • Keep up-to-date on competitive solutions, products and services.
  • Author white papers, blogs and articles on technology and products.

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