Network Systems Engineer (Pre-Sales)

Arista Networks
London
Company Description

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. 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.

Job Description

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 customers and prospects in the United Kingdom.

The 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 will you gain :
  • Deep technical, dynamic, startup-like environment.
  • Be part of a small, highly motivated team and make a big impact with customers and within the company.
  • Deep technical collaboration with technical colleagues in EMEA and worldwide.
  • Continuous on-the-job learning through direct contact with engineering & development teams.
  • Gaining in-depth hands-on experience with CLI, automation, scripting and tooling.
  • Netops / Devops way of working.
  • Flexible work environment (home office / flex office).
  • Significant responsibility and extensive decision power.
  • Having Fun!
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

Qualifications
  • Currently holds DV (Developed Vetting) clearance or is able to apply within the next 12 months. Preference will be given to applicants who hold or have previously held DV clearance.
  • Highly-motivated, passionate, technical, proactive and flexible team player with the willingness to step out of your comfort zone.
  • 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 or Neighboring Country (if required) 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.
Additional Information
Posted 2025-07-15

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