Network Systems Engineer – Pre-Sales

Arista Networks

Pre-Sales Network Systems Engineer collaborating with Account Managers and designing network solutions. Focusing on data-driven, cloud networking for hyperscale data center and campus environments.

Posted 4/8/2026full-timeRemote • Texas • 🇺🇸 United StatesSeniorLeadWebsite

Tech Stack

Tools & technologies

AnsibleCloudPythonSwitchingTCP/IP

About the role

Key responsibilities & impact

Collaborate with Account teams to provide pre-sales technical systems engineering support
Act as a trusted advisor to gather requirements and identify opportunities
Conduct white board network architectural reviews
Conduct Arista product presentations
Architect, design and propose Arista Data Center & Campus network solutions
Deliver NPI and mass production for hyperscalers
Perform hands-on tests to validate customer proof-of-concept setups
Put together design guidelines and recommend improvements to customer networks
Partner with Sales Team to respond to RFP/RFQs
Provide feedback to Product Management and Engineering
Represent Arista at industry events and conferences

Requirements

What you’ll need

Cloud Network Architecture, Network Design, and Network Engineering skills
Strong understanding of cloud networking principles
Experience with network automation and analytics
Excellent problem-solving and communication skills
BS/CS/CE technical degree required
Network Industry Certification preferred (e.g. CCIE (R&S), JNCIE)
Minimum of 7+ years of L2/L3 networking design and implementation experience
Expert level experience with routing and switching including L2/L3 protocols
Recent experience in leaf-spine architecture design
Previous experience building network automation using Python and Ansible
Demonstrated work experience as either a Sales Engineer, Solutions Architect, Pre-Sales SE or Network Consulting Engineer preferred
Expert knowledge in Ethernet, RSTP/MSTP, VLANs, IP Routing, TCP/IP, OSPF, BGP, eBGP, VxLAN, Multicast, Spanning Tree, QoS

Benefits

Comp & perks

Health insurance
Competitive salary
Flexible working hours
Work-Life Balance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Cloud Network ArchitectureNetwork DesignNetwork EngineeringNetwork AutomationNetwork AnalyticsRouting and SwitchingL2/L3 ProtocolsLeaf-Spine ArchitecturePythonAnsible

Soft Skills

Problem-solvingCommunication

Certifications

BS/CS/CE degreeCCIE (R&S)JNCIE