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Senior Systems Engineer (Pre Sales)

Arista Networks - Delhi, DL, India - In-office - posted 2026-10-21

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Arista Networks is seeking a Senior Systems Engineer for the Pre-Sales team to support enterprise and commercial customers in Northern India. You will serve as a trusted technical advisor, partnering with Account Managers to understand customer pain points and architect data center and campus networking solutions. Key responsibilities include: - Conduct whiteboard network architectural reviews and present Arista's Open Networking Data Center, Cognitive Campus (Wi-Fi), CloudVision (Network Automation), Security (NDR), Endpoint Security, and Real-time Fabric Monitoring solutions - Design and propose data center and campus network solutions using leaf-spine architectures, VxLAN, and EVPN overlays - Perform hands-on validation of proof-of-concept setups and network deployments - Develop design guidelines and recommend network improvements - Respond to RFPs and RFQs alongside the Sales team - Provide feedback to Product Management and Engineering teams - Represent Arista at industry events and conferences - Stay current on competitive solutions and author technical white papers Arista is an engineering-centric company with flat management, global R&D centers, and a culture emphasizing ownership, quality, and innovation. The company is a leader in data-driven networking with over $9 billion in revenue and has shipped 20+ million cloud networking ports worldwide. Requirements: - BE/BS in Computer Science or Computer Engineering (required) - Minimum 10+ years of L2/L3 networking design and implementation experience, with focus on data center and campus networks - Expert-level expertise in routing and switching, including L2/L3 protocols (Cisco, Juniper, Extreme, Aruba) - Demonstrated work experience as Sales Engineer, Solutions Architect, Pre-Sales SE, or Network Consulting Engineer (preferred) - Expert knowledge in three or more of: Ethernet, RSTP/MSTP, VLANs, IP Routing, TCP/IP, BGP, eBGP, VxLAN, EVPN, Multicast, Spanning Tree, QoS - Expert-level knowledge of industry-standard CLI - Network Industry Certification preferred (e.g., CCIE R&S, JNCIE) - Previous experience with network overlays (preferred) - Experience with SDN and Network Function Virtualization (NFV) (highly desired) - Python and Ansible network automation experience (desired) - Knowledge of competitive products and solutions - Ability to write white papers (a plus)

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