HARISMITHRA S
Coimbatore
Summary
Dynamic Network Consulting Engineer with proven expertise at Cisco India, specializing in high-performance data center migrations and automation. Achieved a 40% throughput increase while enhancing infrastructure resilience. Proficient in BGP and OSPF routing, complemented by strong problem-solving skills and a commitment to knowledge sharing through technical documentation.
Overview
3
3
years of professional experience
6
6
Certifications
Work History
Network Consulting Engineer II
Cisco India
Bangalore
03.2025 - Current
- Executed Nexus switch migration from 2k to 9k series across multiple data centers, achieving a 40% increase in throughput, reduced hardware footprint, and ensuring zero service disruption.
- Developed scalable backend systems for internal lab portals, enabling pod booking, dynamic slot management, and credential generation. Deployed and managed these solutions on Ubuntu VMs (OneDC Lab, Services as Code).
- Executed Spine SUP B+ replacements and configuration across Customer ACI Fabric with zero escalations; performed end-to-end troubleshooting during node bring-up and mode transitions, while enhancing resilience and automating health check validations through scripting.
- Authored TechZone articles covering first-of-its-kind implementations, documenting technical insights and best practices to guide future deployments and enable knowledge sharing across teams.
- Engineered and optimized BGP and OSPF-based routing architectures across multi-datacenter environments, ensuring highly available, low-latency connectivity to critical applications.
- Strengthened infrastructure readiness by integrating Cisco APIs (APIC, vCenter, Intersight, CML) for lab automation workflows.
Network Consulting Engineer I
Cisco
Bangalore
08.2023 - 02.2025
- Built a robust backend system for lab environment booking and automation across Cisco platforms, with role-based access and dynamic slot management.
- (OneDC Lab) - Automated generation of ACI infra customer reports (MCC, Backup, FEX, PSU, Port)—covering device health, config backups, and hardware status, improving SLA compliance, and reducing manual workload by 40%.
- Automated CLI output comparison and mismatch reporting in Cisco ACI, cutting manual validation time by 70%. Built modular scripts to parse ACI/NXOS logs, validate VLAN/MAC consistency, and generate Excel reports with conditional formatting. (ACI Spy Tool)
- Created centralized SharePoint sites for ACI Practices and India Data Center, improving resource visibility and team productivity.
- Performed a detailed bug scrub analysis for ACI and Nexus (N9K) platforms to assess customer impact, covering over 1,500 bugs across customer environments. Ensured high availability and risk mitigation by identifying critical defects in software releases.
- Core team member of DC&C Connector Crew, leading team engagement through personalized creatives, events, and celebration initiatives.
Technical Intern
Cisco India
01.2023 - 07.2023
- Gained in-depth knowledge of computer networking and hands-on experience with Python automation.
- Developed a solution for automating the use cases of Application Centric Infrastructure using Terraform to build the automation into a microservice/SaaS product to enhance the user experience.
- First-hand experience with the basics of industry demand technologies like Docker, Kubernetes, Helm and ArgoCD.
Education
Bachelor of Technology - Electronics and Communication Engineering
Amrita School of Engineering
Coimbatore, India01.2023
Skills
Networking Fundamentals: TCP/IP, Subnetting, LAN & WAN Architectures, TCP/UDP, DNS, DHCP, SNMP, DCI
Datacenter & Cloud Networking: Cisco HCI(Hyperflex and Nutanix), Cisco UCS, Nexus 7k/9k, VMware Virtualization, SAN, Cisco ACI(SDN)
Routing & Switching: BGP, OSPF, HSRP, EtherChannel, STP, VPC, ARP, MPLS Network
Automation and Scripting: Python, REST APIs, Netmiko, Selenium, JSON, XML
AI & Cloud Tools: AWS, Amazon Q, Generative AI Applications
Tools: Linux, GitHub, SecureCRT, Drawio, Microsoft Visio, VScode
- Network troubleshooting
Projects
QKart - an e-commerce application, Implemented the core logic for authentication, shopping cart and checkout. Improved UI adding responsive design elements. Utilized REST APIs to dynamically load and render data served by the backend server., 08/24 ML-Django Web App, Built a web app using Django to show machine learning model results. Linked Jupyter notebooks with the web UI. Used Django views and APIs to display predictions on the site., 07/23 Theft Detection Using PIR Sensor and Mobile Integration, Developed an IoT-based smart home security system using a PIR sensor to detect motion and alert users via a mobile app. Programmed Arduino using C language and simulated the circuit using Tinkercad., 05/22
Credly
Credly
Accolades
- Data Center Core (DCCOR 350-601), Cisco Certified Specialist, 03/25
- DevNet Associate (200-901 DEVASC), Cisco Certified, 07/23
- CCNA 200-301, Cisco Certified Network Associate, 05/23
- Core Team Member, DC&C Connector Crew: Led team engagement through events and personalized initiatives, 2024-2025
- Robotics and Automation Club, Co-leader in Robotics & Automation Club, Amrita University, 2021-2022
- Anokha-2020 Finalist, Recognized for creating a heartbeat sensor in the National Level Techfest., 2020-2021
Certification
DCCOR: Cisco Certified Specialist - Data Center Core
Timeline
Network Consulting Engineer II
Cisco India
03.2025 - Current
Network Consulting Engineer I
Cisco
08.2023 - 02.2025
Technical Intern
Cisco India
01.2023 - 07.2023
Bachelor of Technology - Electronics and Communication Engineering
Amrita School of Engineering