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himanshu sah

@himanshusah

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Senior network engineer at Greenway Health who migrated over 1,000 client and vendor VPN tunnels.

India

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What I'm looking for

I aim to use my technical expertise in a cross-functional, globally integrated organization that strives for best-in-class results, where I can share my vision, creative drive, and commitment to success.

At Greenway Health Pvt.Ltd., I completed the migration of over 1,000 client and vendor VPN tunnels for the Primesuite and Intergy-EHR/EMR applications. I received a Greenway India IMPACT Award for my contribution to the initiative.

As an L3NOC-SeniorNetworkEngineer, I provide Level 3 support for IP-Sec VPN tunnels, including tunnels supporting AWS cloud-based server migrations. My work includes Cisco and multi-vendor firewall configurations, and VPN support for healthcare vendors and clients.

At TRIGYN TECHNOLOGIES LTD. and HCL INFOSYSTEMS LTD., I supported network and communications services, including for United Nations missions. My experience includes LAN and WAN operations, Cisco routing and switching, wireless networks, and VPNs.

Experience

Work history, roles, and key accomplishments

L3 NOC - Senior Network Engineer

Greenway Health Pvt. Ltd.

May 2022 - Sep 2026 (4 years 4 months)

Provided comprehensive IT support to US federal and private medical sectors, including IPSec VPN WAN communication support for over 1500 healthcare vendors and clients. Led migration of over 1000 client and vendor VPN tunnels for Primesuite and Intergy-EHR/EMR applications, receiving the Greenway India IMPACT Award.

IPsec VPN IP Addressing Subnetting QoS Cisco Routers Firewalls Switche Wireless Access Points AWS Palo Alto Panorama Meraki Sophos WatchGuard Firewall Sonicwall Barracuda Salesforce HL7 SQL ODBC Cloudflare Solarwinds

Network Engineer

Trigyn Technologies Ltd.

Jul 2009 - Jun 2021 (11 years 11 months)

Provided communication and IT support to the United Nations, managing LAN, WAN, and communication systems for UNAMID mission in Darfur. Deployed and administered Cisco routers and switches, managed wireless networks, and supported mission-critical applications.

Network Engineer

HCL Infosystems Ltd.

Apr 2006 - Jun 2009 (3 years 2 months)

Provided IT networking support to HCL and its clients, managing LAN, WAN, and VPN services. Configured routers, switches, RF modems, and VoIP equipment, and supported 25 VPN sites.

Cisco Routers Cisco Switches Modem VoIP LAN Administration VPN WAN SAP ERP Remote Support Monitoring

Hardware & Network Support Engineer

Reprographic India Pvt. Ltd.

Jul 2004 - Mar 2006 (1 year 8 months)

Provided hardware and network support services for domestic clients, managing LAN administration for over 30 desktops and 10 laptops. Handled network security, firewall management, server administration, and backup management.

LAN Administration Desktop Support Network Security Firewall Management Server Administration Backup Management Vendor Management MIS Reporting Troubleshooting

Education

Degrees, certifications, and relevant coursework

Sikkim Manipal University

MBA, Information Technology

Grade: 58%

Pursued an MBA in Information Technology, achieving 58% marks.

Govt. Polytechnic Dwarahaat

Engineering Diploma, Information Technology

Grade: 77.80%

Completed a three-year Engineering Diploma in Information Technology with 77.80% marks.

U.P. Board, Allahabad

Intermediate, General

Grade: Second division

Passed Intermediate with Second division.

U.P. Board, Allahabad

Matriculation, General

Grade: First division

Passed Matriculation with First division.

Torque IT

Cisco Training, Cisco Networking

Completed advanced Cisco training courses including Wireless LAN, Designing for Cisco Internetwork Solutions, Cisco IP Switched Network, and Troubleshooting and Maintaining Cisco IP Networks.