Advisory Systems Engineer: Data Center Networking Lead

PreSales Collective; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Arista Networks in London seeks an Advisory Systems Engineer to sell Arista products in large Public Sector Accounts as a trusted technical advisor. You’ll guide customers on operational optimization, automation maturity, and value realization, linking technical health to revenue outcomes.

As part of the Sales Engineering team, you’ll work with top field engineers, report to the Regional Engineering Manager, and help customers achieve post‑sale success through strategic workshops and ongoing

Qualifications

• 10+ years of customer-facing technical experience in networking.
• Active DV clearance.
• Expertise in L2/L3 routing (OSPF, BGP, EVPN, VXLAN) and automation ecosystems.
• Strong consultative and business acumen with revenue impact.
• Excellent communication and advisory skills.
• ACE certification (or willingness to obtain within 90 days).
• Experience in data center, cloud, campus or routing environments.

Responsibilities

• Serve as the primary advisory contact for customers' Operations teams.
• Position Arista products in DC, Campus, Routing, AI, CV to expand footprint.
• Provide technical assistance on opportunities including PoC testing.
• Ensure customers perform operational health checks and automation maturity assessments.
• Deliver strategic technical workshops (automation, CI/CD, CloudVision).
• Coordinate with SEs and PS teams for end-to-end lifecycle.
• Drive Day 2 lifecycle adoption and link technical health to revenue outcomes.

Skills

Networking

Automation

Python

Ansible

Terraform

CloudVision

ACE certification

Tools

EOS

CloudVision

Ansible

Terraform

Python

Job description

Arista Networks in London seeks an Advisory Systems Engineer to sell Arista products in large Public Sector Accounts as a trusted technical advisor. You’ll guide customers on operational optimization, automation maturity, and value realization, linking technical health to revenue outcomes.

As part of the Sales Engineering team, you’ll work with top field engineers, report to the Regional Engineering Manager, and help customers achieve post‑sale success through strategic workshops and ongoing