Jafreen FNU

Experience

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  YNR Infotech

  Jul 2017 - Aug 2020

  Network Engineer

  Designed and implemented enterprise network infrastructure, supporting 50+ branch offices, which improved network uptime by 30%. Configured and maintained OSPF, BGP, EIGRP, and VLANs, resulting in a 25% improvement in routing efficiency. ManagedCisco ASA firewalls, and implemented IPSec and SSL VPN solutions, enhancing security for over 1,000 remote users. Deployed F5 BIG-IP LTM & GTM for load balancing and high availability, improving application performance by 20%. Automated network configurations withAnsible and Python,reducing manual errors by 40% and configuration timeby 50%. Ledwireless network deployment using Cisco WLC &Aruba, increasing wireless coverage and performance by 35% across 20+ sites. Monitored network traffic with Wireshark, SolarWinds, and NetFlow, resulting in 50% faster issue resolution. Conducted regularsecurity auditsto identify vulnerabilities and proactively improve network defenses, reducing incidents by 20%. Show less

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  Coforge

  Sept 2020 - Dec 2022

  Network Engineer

  Designed and deployed Azure-based networking solutions, improving connectivity performance by 20% for cloud-based applications. Configured and optimized PaloAlto and Cisco firewalls, enhancing network security and reducing potentialthreats by 35%. Led SD-WAN implementation to connect global offices,reducing MPLS costs by 30% while increasing overall bandwidth efficiency. ManagedVoIP systems(Cisco CUCM, SIP, RTP), improving call quality and reducing drop rates by 25% acrossthe organization. Integrated Cisco ISE, TACACS+, and RADIUS forsecure authentication and access management, increasing network access control by 40%. Directed the networkmigration project for over 5,000 devices, ensuring minimal downtime and 100% data integrity during transitions. Implemented network automation strategies using Python and Terraform, improving deployment efficiency by 50%. Conducted performance optimization and troubleshooting across MPLS, BGP, and OSPF networks, reducing downtime by 15%. Show less

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  Verizon Wireless Systems

  Aug 2024 - now

  Network Engineer

  Architected AWS cloud network solutions, improving cloud-to-on-premiseslatency by 30% and optimizing hybrid cloud connectivity. Implemented BGP and OSPF routing strategies,supporting a multi-region network infrastructure, which improved routing efficiency by 25%. Managed F5 BIG-IP LTM/GTM for global traffic distribution, ensuring 99.9% availability for mission-critical applications. Led the implementation of Palo Alto firewalls and Check Point security solutions, reducing intrusion attempts by 98%. Spearheaded the deployment of Cisco SD-WAN, reducing WAN costs by 25% while improving network reliability. Optimized QoS configurations for VoIP traffic, enhancing voice quality by 20% and reducing latency for remote workers. Managed and configured CiscoNexus &Catalyst switches, enabling dynamic VLAN segmentation, improving network traffic management by 30%. Directed regular network performance analysis using toolslike SolarWinds, Wireshark, andNetFlow, leading to 40% faster issue resolution. Show less