Imran Ansari

Senior Network Engineer

Quess Corp Limited

Dec 2025 - Current (9 months)

Company: Quesscorp (Payroll) Client: Tata Consultancy Services (TCS) Project: Etisalat / UAE Ministry of Education (MOE) Project Dubai, UAE | Dec 2025 – May 2026 School Infrastructure Network Transition & Operations Handover • Participated in network transition and operational handover activities from incumbent vendor. • Shadowed existing network operations team to understand enterprise infrastructure, operational workflows, escalation matrix, and support processes. • Assisted in knowledge transfer sessions covering routing, switching, security, wireless, and datacenter environments. • Reviewed existing network architecture, topology diagrams, asset inventory, and operational documentation • Gained exposure to datacenter (Ankabut DC, KDC an

Senior Network Engineer

Sify Technologies Limited

Aug 2021 - Dec 2025 (4 years 5 months)

• Supported enterprise core routing and switching infrastructure • Configured FortiGate SD-WAN (100F, 200F, 300E) • Managed VPN (IPSec, GRE), BGP, static routing, QoS policies • Performed firewall configuration, HA setup, and troubleshooting • Implemented firewall hardening activities including security policy optimization, access control management, unused rule cleanup • Managed SD-WAN migration for 200+ enterprise sites across PAN India, ensuring minimal downtime and seamless transition to Fortinet SD-WAN infrastructure • Handled Arista switch upgrades and PAN India firmware upgrades • Worked on SIEM integration across DC and DR environments • Coordinated with ISP, security, and server teams for issue resolution

Senior Technical Support Engineer

NTT Ltd

Oct 2019 - Jun 2021 (1 year 9 months)

• Supported core banking applications (Finacle, CTS, SWIFT) • Managed MPLS connectivity and backup link infrastructure • Configured IPSec VPN for branch connectivity • Performed DR drill testing and failover validation • Monitored network using CA Spectrum and WhatsUp Gold • Maintained server room inventory and backups

Senior Network Engineer

Sify Technologies Limited

Sep 2014 - Oct 2019 (5 years 2 months)

• Resolved enterprise WAN/LAN issues for enterprise customers • Troubleshot MPLS, Internet, RF, VSAT, ISDN, 3G networks • Configured FortiGate firewalls and IPSec VPN tunnels • Coordinated with ISPs for escalation and resolution • Managed change and incident management processes • Performed link acceptance and validation testing

Network Engineer

LT Infotech

Sep 2012 - May 2014 (1 year 9 months)

• Designed LTE/WCDMA network architecture • Created HLD/LLD and network diagrams using MS Visio • Configured routers/switches for testing environments • Worked on routing protocols (RIP, OSPF, EIGRP) • Performed network troubleshooting and validation

C

Network Engineer L1

Core IT Solutions

Jun 2011 - Sep 2012 (1 year 4 months)

Client: Aditya Birla Retail • Managed MPLS-based WAN connectivity • Configured VLANs, STP, inter-VLAN routing • Implemented HSRP, VRRP, GLBP for redundancy • Performed router/switch configuration and backup • Monitored network using IT360 and NetFlow tools

BSS (Network O&M) Engineer

Vedang Radio Technology Pvt Ltd

Jun 2009 - Jun 2011 (2 years 1 month)

Client: Airtel • Maintained Nokia Siemens BTS/BSC network systems • Performed site commissioning and troubleshooting • Handled microwave links and RF optimization • Conducted BTS expansion and hardware upgrades • Worked on telecom O&M operations and alarm management

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