sachin mali

Software Engineer

Bengaluru, Karnataka, India6 yrs 8 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in Cisco networking and infrastructure management.
Led large-scale network migrations with minimal downtime.
Proficient in troubleshooting complex network issues.

Stackforce AI infers this person is a Network Engineering expert with a focus on enterprise infrastructure.

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Skills

Core Skills

Network EngineeringCisco Networking

Other Skills

Layer 2 and Layer 3 switch migrationsCisco Catalyst 9300/9400Nexus 3000/7000/9000post-deployment health checkstraffic validationrouting verificationperformance monitoringSpectrumService-nowIndigo-requestNMDBinstallationconfigurationvalidation of Cisco routers and switchestroubleshot Layer 1 LAN connectivity issues

Experience

6 yrs 8 mos

Total Experience

4 yrs 4 mos

Average Tenure

6 yrs 8 mos

Current Experience

Cisco systems india pvt ltd.

2 roles

Senior Network Engineer

Sep 2025 – Mar 2026 · 6 mos

Project name: Morgan-Stanley IBLM Project
Led Layer 2 and Layer 3 switch migrations from Cisco to Arista, along with Cisco-to-Cisco end-of-life (EOL) hardware refresh initiatives within the Morgan Stanley enterprise network infrastructure.
Deployed, configured, and upgraded Cisco Catalyst 9300/9400 and Nexus 3000/7000/9000 series switches as part of large-scale network modernization programs.
Performed end-to-end migration activities including configuration, pre-implementation testing, validation, cutover execution, and post-migration stabilization to ensure minimal downtime and seamless service transition.
Conducted post-deployment health checks, traffic validation, routing verification (OSPF/BGP), and performance monitoring to ensure network stability.
Once the migration activity is completed, we are responsible to erase all the configurations on the devices.
Using tools: Spectrum (monitoring tool), Service-now (for ticketing), Indigo-request (for phase 1 and phase 2 deco) NMDB (network Devices Database).

Layer 2 and Layer 3 switch migrationsCisco Catalyst 9300/9400Nexus 3000/7000/9000post-deployment health checkstraffic validationrouting verification+7

Network Engineer

Oct 2019 – Sep 2025 · 5 yrs 11 mos

Performed installation, configuration, and validation of Cisco routers and switches across enterprise network environments.
Troubleshot Layer 1 LAN connectivity issues, including VLAN misconfigurations, trunking (802.1Q), STP inconsistencies, and IP routing problems.
Designed and implemented complex network topologies using Cisco technologies, including static routing, VLANs, Inter-VLAN routing, and EtherChannel.
Executed IOS, IOS-XE, IOS-XR, and NX-OS image upgrades/downgrades, including pre-check validation, ROMMON recovery, and post-upgrade verification procedures.
Built and configured wireless topologies, including WLC configuration, AP provisioning, SSID deployment.
Provided escalation-level support for advanced TAC cases, performing issue recreation in virtualized lab environments.
Analyzed logs, debugs, packet captures, and crash files to identify root cause of network incidents.
Collaborated with consulting teams to gather technical requirements and deliver optimized network solutions.
Delivered 24/7 on-call support for critical network incidents, ensuring SLA adherence and rapid issue resolution.

installationconfigurationvalidation of Cisco routers and switchestroubleshot Layer 1 LAN connectivity issuesdesigned and implemented complex network topologiesexecuted IOS, IOS-XE, IOS-XR, and NX-OS upgrades+7