Senior Enterprise Network Engineer and Architect

Sai Charan Tripuramallu

+* (***) *** - **** *********************@*******.*** USA LinkedIn

SUMMARY

Experienced Network Engineer with around 5+ years of experience, specializing in designing and optimizing enterprise network infrastructures using routing, switching, SD-WAN, and cloud networking technologies. Driving secure, scalable connectivity through Zero Trust security, network automation, and performance monitoring while ensuring high availability and reduced latency. Collaborating across teams to troubleshoot complex issues, streamline operations, and deliver resilient, high-performance network solutions aligned with modern infrastructure and business demands. SKILLS

Network Architecture & Design: Enterprise Network Design, Data Center Architecture, Leaf-Spine Topology, EVPN-VXLAN, Cisco ACI

(Intent-Based Networking), High Availability Design, Network Segmentation, Hybrid Cloud Networking Routing & Switching BGP (eBGP/iBGP), OSPF, MPLS, TCP/IP, VLAN, STP, RSTP, HSRP, VRRP, Cisco Nexus 9000, Catalyst 9000 Series, Juniper Routing

Cloud & Multi-Cloud Networking: AWS VPC, Azure VNet, Hybrid Connectivity, Direct Connect, ExpressRoute, Cloud Load Balancing, Cloud Security Groups, Multi-Region Network Design

Network Security & Zero Trust: Zero Trust Architecture (ZTNA), SASE (Secure Access Service Edge), Palo Alto Firewalls, Fortinet, Cisco Firepower, Cisco ISE, AAA (TACACS+, RADIUS), Micro-Segmentation, Network Access Control WAN & SD-WAN Technologies: Cisco SD-WAN (Viptela, Meraki), MPLS WAN, Traffic Engineering, IPSec VPN, SSL VPN, WAN Optimization, Global Network Connectivity

Network Automation & DevNet: Python for Network Automation, Ansible, Terraform (Infrastructure as Code), REST APIs, Network Scripting, Configuration Management, CI/CD for Network Infrastructure Monitoring, Performance & AIOps: SolarWinds, Wireshark, OpsRamp (AIOps), SNMP, Syslog, Splunk, Network Performance Monitoring, Latency Analysis, Packet Inspection, Root Cause Analysis Load Balancing, IPAM & Operations: F5 BIG-IP (LTM), Load Balancing Algorithms, Infoblox (DNS, DHCP, IPAM), ServiceNow, Jira, Incident

& Change Management, Network Documentation (HLD/LLD) PROFESSIONAL EXPERIENCE

Network Engineer State Street, USA Jul 2024 – Present

Engineered hybrid network architecture using Cisco ACI, Nexus 9000, BGP EVPN VXLAN, MPLS, AWS VPC, and Azure VNet, enhancing scalability and reducing latency across custody platforms.

Implemented Zero Trust Architecture and SASE using Palo Alto Firewalls, Cisco ISE, TACACS+, and RADIUS, strengthening network security posture and minimizing unauthorized access incidents.

Optimized WAN performance using Cisco SD-WAN (Viptela, Meraki), BGP, OSPF, IPSec VPN, and F5 BIG-IP load balancing, and improving application availability during peak trading operations.

Analyzed network traffic using SolarWinds, Wireshark, Splunk, and OpsRamp, identified packet loss and routing inefficiencies, and enhanced overall network stability and transaction processing performance.

Automated network provisioning using Python, Ansible, Terraform, REST APIs, and Infrastructure as Code practices, reducing manual configuration errors and improving deployment efficiency.

Managed enterprise network operations using Cisco IOS-XE, NX-OS, Juniper Junos, Infoblox DNS/IPAM, and ServiceNow, ensuring high availability for critical financial systems.

Network Engineer JPMorgan Chase & Co, USA Apr 2023 – Jun 2024

Designed low-latency payment and trading network using Cisco Catalyst 9500, Nexus 9000, EVPN VXLAN, MPLS, and AWS VPC, enhancing real-time transaction processing efficiency.

Secured financial network using Palo Alto, Cisco Firepower, IPSec VPN, SSL VPN, and Zero Trust Architecture, minimizing external threats and strengthening overall security posture.

Enhanced global connectivity using Cisco SD-WAN (Viptela, Meraki), BGP, OSPF, and MPLS traffic engineering, improving WAN stability and application availability.

Diagnosed latency issues using SolarWinds, Wireshark, Splunk, and OpsRamp AIOps, identified routing congestion, and optimized traffic flow to improve network response time.

Standardized network configurations using Python, Ansible, Terraform, REST APIs, and Infrastructure as Code, improving deployment consistency and reducing configuration drift.

Governed network operations using Cisco IOS-XE, NX-OS, Juniper Junos, Infoblox DNS/IPAM, and ServiceNow workflows, ensuring resilient infrastructure and high availability across trading platforms. Jr. Network Engineer Mphasis, India Sep 2020 – Nov 2022

Supported LAN and WAN network operations using TCP/IP, VLAN, STP, OSPF, and MPLS, ensuring stable banking and payment connectivity and maintaining consistent network availability during peak usage.

Configured and maintained switching environments using Cisco Catalyst and Nexus platforms, implementing VLAN segmentation and trunking to enhance network performance and reduce broadcast traffic issues.

Assisted in securing network infrastructure using Cisco ASA, Palo Alto, and FortiGate firewalls, along with IPSec VPN and SSL VPN, strengthening access control across banking applications.

Monitored network health using SolarWinds, OpsRamp, SNMP, and Syslog, identified link failures and packet drops, and improved issue resolution efficiency across payment systems.

Troubleshot connectivity issues using packet analysis and routing diagnostics, identified VLAN misconfigurations and WAN instability, and restored application access to ensure reliable transaction processing.

Managed IP addressing and incident resolution using Infoblox IPAM, ServiceNow, and Jira workflows, ensuring accurate network configurations and supporting high availability for digital banking platforms. EDUCATION

Master of Science in Computer and Information Sciences Jan 2023 – Jul 2024 New England College – Henniker, NH, USA

CERTIFICATIONS

CCNA(CSCO14672994)

CCNP-Enterprise core (CSCO14672994)

AWS Certified Solutions Architect (AWS04614440)

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