[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Arista Networks jobs](https://jobs.opennash.com/companies/arista-networks/) · [Search jobs](/search/) Arista Networks · London, England, United Kingdom # Network Systems Engineer (Pre-Sales) - DV Cleared London, England, United Kingdom Remote Full-time Sales Listed on Arista Networks’s official careers site. Posted August 28, 2026. Check that it is still open and apply there. [Apply on Arista Networks’s careers site →](https://jobs.smartrecruiters.com/AristaNetworks/744000146227722-network-systems-engineer-pre-sales-dv-cleared) [OpenNash Jobs](https://jobs.opennash.com/) / [Arista Networks](https://jobs.opennash.com/companies/arista-networks/) / Network Systems Engineer (Pre-Sales) - DV Cleared ## 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 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 ## Qualifications 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. ## At a glance - Posted by the employer: Aug 28, 2026 - First seen by OpenNash: Jul 10, 2026 - Last checked: Oct 17, 2026 - Listed for: 99 days - Location: London, England, United Kingdom - Work arrangement: Remote - Employment type: Full-time[Apply on Arista Networks’s careers site →](https://jobs.smartrecruiters.com/AristaNetworks/744000146227722-network-systems-engineer-pre-sales-dv-cleared) ## More jobs at Arista Networks ### [Advisory Systems Engineer - DV Cleared](https://jobs.opennash.com/companies/arista-networks/jobs/6e7177607cb3e15e310c/) London, England, United Kingdom ### [AI Pursuit Strategic Account Manager](https://jobs.opennash.com/companies/arista-networks/jobs/63a67010c4c62875d494/) Singapore ### [Account Manager](https://jobs.opennash.com/companies/arista-networks/jobs/84ba49e354815dcba0d2/) Oslo, Norway ### [Client Director -Account Manager - PSU Vertical](https://jobs.opennash.com/companies/arista-networks/jobs/6d5b45bbbd578486d2af/) Mumbai, MH, India ### [Federal Major Account Manager (Civilian)](https://jobs.opennash.com/companies/arista-networks/jobs/e8623aebf19b7bf85a4d/) Washington, DC, United States ## Similar jobs at other companies ### [Senior Pre-Sales Engineer Role (BMS & Fire Systems)](https://jobs.opennash.com/companies/siemens/jobs/a1fae89e7639db3ede3f/) Siemens ### [Systems Engineer Network (m/w/d)](https://jobs.opennash.com/companies/vodafone/jobs/e6c12e2244985ecd47c1/) Vodafone · Kaiserslautern, Germany ### [Fortinet Network Engineer Capelle aan den IJssel, Zuid-Holland Capelle aan den IJssel, Zuid-Holland IT / IT SYSTEMS IT / IT SYSTEMS Permanent](https://jobs.opennash.com/companies/vinci/jobs/e53f124e8acfd1f5a2de/) VINCI · Capelle aan den IJssel, Zuid-Holland ### [Network Security Engineer Capelle aan den IJssel, Zuid-Holland Capelle aan den IJssel, Zuid-Holland IT / IT SYSTEMS IT / IT SYSTEMS Permanent](https://jobs.opennash.com/companies/vinci/jobs/3b1c948acb2eccb6be22/) VINCI · Capelle aan den IJssel, Zuid-Holland ### [Systems Engineer, Systems Modeling, Pre-Development (m/f/d)](https://jobs.opennash.com/companies/rheinmetall/jobs/1f3073fcd4d819ed8775/) Rheinmetall OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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