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Arista Networks

Network Systems Engineer (Pre-Sales) - DV Cleared

Arista Networksยทabout 14 hours ago

โฐ Full-time๐Ÿ“ˆ Mid Level๐Ÿ‡ฌ๐Ÿ‡ง London, UK๐Ÿ“… Aug 28, 2026

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.

#LI-ES1

  • Highly-motivated, passionate, technical, proactive and flexible team player with the willingness to step out of your comfort zone.
  • Posses an active Developed Vetting (DV) clearance. 
  • Fluent in English (written and spoken).
  • Sales attitude: Ability and passion to proactively work as a team to drive new business.
  • Ability to travel on a National basis to support customers.
  • Technical degree required.
  • Networking design and implementation experience.
  • Practical experience with routing and switching, including relevant protocols.
  • Recent experience in Data Center, Routing and/or Campus network architecture designs.
  • Excellent presentation skills.
  • Deep knowledge of the relevant switching and routing protocols and technologies (e.g.,Spanning Tree, OSPF, ISIS, BGP, VXLAN, EVPN, Multicast, QoS, Network Segmentation, etc).
  • Knowledge of Service Provider related technologies is a plus.
  • Knowledge of Campus related technologies is a plus.
  • Good understanding of the competitor technology landscape.
  • Work experience as either a Sales Engineer, Solutions Architect, Pre-Sales Systems Engineer or Network Consulting Engineer preferred.
  • Practical security deployment experience is a plus.
  • Recent hands-on CLI experience highly desired.
  • Experience and/or interest in learning Netops / Devops using tools such as Python and Ansible.
  • CCIE, JNCIE or Industry Equivalent certified.

Market context

Measured from remote postings we have tracked ourselves โ€” not self-reported survey data.

What Mid Level Sales roles in Europe pay

25th
$50k
Median
$78k
75th
$114k

Based on 275 comparable postings with disclosed salaries, last 12 months.

How Arista Networks is hiring

Last 90 days
206 roles
Total tracked
613
Hiring across
11 job families

Tracked since July 2024.

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