Hello, I'm
Sudheer Vasantham
Member of Technical Staff | Network and Critical Infrastructure Engineering
Professional Summary
A seasoned Senior Network Engineer with 10+ years of experience in designing, building, and operating large-scale, globally distributed, multi-vendor network infrastructure. My expertise spans the full lifecycle of Cloud and Data Center networks—from high-level architecture design and deployment to deep-dive troubleshooting and advanced automation.
I specialize in driving next-generation networking initiatives, particularly building high-performance, resilient networks to support AI/ML workloads. I am currently leading the operationalization of SONIC , positioning infrastructure for maximum agility and scalability.
My background includes significant experience with multi-vendor environments (Cisco, Juniper, Arista) and a strong commitment to technical excellence, validated by certifications like CCNP,JNCIP, GCP and OCI Architect
Technical Expertise
Protocols
BGP, OSPF, MPLS, EIGRP, IS-ISPlatforms
Cisco, Juniper, Arista, SONIC, Dell, Nvidia, Edgecore,MarvellCloud & DC
GCP(Google), OCI (Oracle)Automation
Python, Go, Ansible, Docker, Kubernetes, ZTP(Sonic build), BatfishLanguages
Python, Go, SQL, Linux, Java, Shell ScriptingMonitoring
Network Telemetry, Grafana/PromQL, SNMPDetailed Work Experience
Member of Technical Staff
eBay (Network and Critical Infrastructure Engineering)
March 2017 - Present
San Jose, California
- Spearheaded the qualification and full production operationalization of Open Networking solutions (SONiC) across a global data center footprint, directly achieving significant cost efficiencies and enhancing platform agility.
- Engineered and deployed a hyperscale, globally distributed 400G fabric network across major data centers and Points-of-Presence (POPs), focusing on high-density, low-latency infrastructure design.
- Automated critical infrastructure workflows (link cost-out, code upgrades, device provisioning) using Python, Go, Ansible, and ZTP, substantially improving operational efficiency and platform consistency.
- Drive next-generation networking initiatives by architecting and implementing high-performance, ultra-low-latency networks optimized to support demanding AI/ML and mission-critical applications.
- Reduced security risk and streamlined border traffic management by optimizing, refactoring, and deploying complex Border and POP Access Control Lists (ACLs) across multiple geographic regions.
- Led a team of 6 engineers in the Incident Response function, and implemented strategies for Tackling vulnerability scans for qualified codes and collaborating on PCI-compliant network audit strategies, significantly enhancing site network fleet availability
Data Center Engineer
Apple (Network Operations)
March 2016 - February 2017
San Francisco Bay Area
- Work closely with software and hardware teams to resolve critical device issues within SLAs. Track the root cause for failures and document them.
- Manage and maintain a multi-vendor, multi-protocol datacenter and backbone network that supports apple stores, apps and devices globally. Interact with data center site services and break fix teams for test strategies.
Network Test and Validation Engineer
Cisco
November 2015 - March 2016
San Francisco Bay Area
- Performed validation and energy efficiency tests as per telecommunication industry standards for integrated service routers (ISR 4321, 4331, 4431, 4451) and aggregated service routers (ASR1001-x, 1002-x, 1004 and 1006).
- Responsible for verifying the hardware integrity and evaluating design margins by subjecting the IOT products targeting routing and switching to a combination of lab tests.
Graduate Engineering Intern
SanDisk®
January 2015 - May 2015
Milpitas
- Analyze performance aspects of NAND flash memory for scalability and reliability optimization.
- Redesigned the corporate Engineering website using JQuery and SharePoint to significantly improve user experience.
Systems Engineer
Tata Consultancy Services (TCS)
December 2010 - July 2013
Location not specified
- Develop and maintain the Environmental Compliance (RoHS, REACH, JIG) tool Erimate using Java, Unix, and SQL.
- Perform troubleshooting and debugging of network equipment in lab environments, supporting customers across the USA, China, and Sweden for hardware/software integration and deployment.
Education & Certifications
University of Southern California (USC)
Master's Degree, Electrical Engineering
2013 – 2015 | Los Angeles, CA
Jawaharlal Nehru Technological University
BTech, Electrical, Electronics and Communications Engineering
2006 – 2010
Key Certifications
- JNCIA-JUNOS, JNCIS-ENT (Juniper)
- CCNA Routing & Switching (Cisco)
- OCI Architect Associate (Oracle Cloud)
- OCI Foundations Certified Associate
Get In Touch
I am actively seeking challenging roles in Cloud Networking, Infrastructure Architecture, and Automation. Let's build the next generation of resilient infrastructure together!
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