Senior Network & Systems Architect, Solutions Architect

ABHIJIT KASAREKAR

Mobile: +1-506-***-****

E-Mail:****************@*****.***

PROFILE OVERVIEW

Highly motivated Solutions Architect seeking a position in the area of Network & Systems Consulting /Architecture

& Design/implementations/project delivery & Support Dedicated, resourceful, and innovative IT / Networking Professional offering practical experience of over 16 Years in the areas of Network and Systems Planning & Designing / Network Architectures /Customer RFPs /Technical implementations, Project Management, Escalation handling, Management of end-to-end Infrastructure and technical training. Can be headhunted for spearheading the efforts across reputed organizations for Project Management and Implementation Roles Seek to contribute in challenging work environment demanding techno-commercial knowledge, customer focus and people orientation SKILLS

ROUTING PROTOCOLS: RIP V1, V2 & V3, OSPF V2 & V3, EIGRP, BGP. ROUTING TECHNOLOGIES:

Route Redistribution, Route Maps, Route Filtering, Policy Based Routing, Floating Static Routes

NETWORK DEVICES:

Routers: Branch Routers, Mobile Internet Routers, Enterprise Edge Routers, Small Business Routers, WAN Aggregation and Internet Edge Routers, ASR, ISR Switches: Data Centre Switches, LAN Switches - Access, LAN Switches – Core LAN Switches - Small Business, Long Reach Ethernet, Service Provider Switches

- Aggregation, Service Provider Switches - Ethernet Access, WAN Switches. Nexus 7K, 5K, 2K, FortiGate

SWITCHING TECHNOLOGIES:

ISL, 802.1q, Q-in-Q, L2-Protocol Tunnel, VTP V1.0 & V2.0, CST, IST, MST, PVST, PVST+, Rapid PVST, CEF, DCEF, HSRP, GLBP, VRRP, SLB, PAGP, LACP, ETHERCHANNEL, VLAN-MAP, VACL, SPAN, RSPAN, Port-security, Nexus VPC, Fabric Extender, VDC, Fabric Path, Cisco ACI, ECMP, TRILL WAN PROTOCOLS: PPP, HDLC, Frame Relay, ISDN, DSL,

Network Security:

Implementation of Cisco 5500x series firewalls 5515x,5525x,5545x,5555x,5585x with SSP 10,20,40 engines

IOS Version 8.2, 8.4.1, 9.0, 9.2 with firepower services and NGFW features like IPS, URL Filtering, WAS, VAPT, WAF

TCP/IP TECHNOLOGIES: NAT, PAT, ARP, RARP, DHCP, IARP, NTP, IPv6 VPN TECHNOLOGIES: GRE, IPSEC (Transport & Tunnel Mode), WEB VPN, SSL VPN. WORK HISTORY

Helpdesk Support Specialist IGT (Payroll of The Judge Group) Apr 2025 – Present

• Troubleshoot and resolve issues with Office 365, Active Directory, Windows OS, networking, and hardware/software.

• Manage incidents using ITSM ticketing systems with strong documentation.

• Collaborate with IT teams to resolve escalations, maintaining high customer satisfaction.

• Configure and maintain IT assets, ensuring secure and reliable performance. Customer Support SP Data Digital Sept 2024 – Feb 20205

• Handled escalations and resolved customer account discrepancies, improving customer retention.

• Maintained service quality by meeting call handling and productivity KPIs.

• Investigated complaints, providing timely and effective solutions. Senior Infrastructure Engineer Hitachi Vantara Sept 2021 – Apr 2022

• Service owner of LAN infra globally including DC

• Delivered design for Enterprise Network Architectures Globally

• Actively participating in Datacentre Network Infrastructure Design, Component Selection, Vendor review

• Active participant of Customer RFPs, CAPEX & OPEX budgeting for Network infrastructure across globe

• By performing review of Network Infrastructures and Security Architectures find out loopholes share remedy action

• Continuously auditing enterprise and Datacentre network infrastructures to find out SPOF and make necessary arrangement if require perform optimization

• Global SPOC for critical issues, major outages and going with step-by-step approach to troubleshoot complex Network issues for enterprise + DC networks

• Slashed benefits administration costs 30% by negotiating pricing and fees, while ensuring the continuation and enhancements of services

Pre-Sales Consultant Velocis System Private Limited Feb 2020 – Aug 2021

• Provides technical concurrence and sign off for elements of designs and/or customer bids; accountable for identifying technical risk for major platforms.

• Provides consultancy on network designs for platforms and/or solutions.

• Develops design patterns in own technical domain.

• Responsible for following and contributing to design best practice within a unit.

• Responsible for estimating the time and type of resource needed to support deliverables for complex, high impact and high value projects in own area of expertise/domain

• Delivers Right First-Time solutions.

• Proposes technical strategy to network platforms and/or customer solutions factoring in impact and risk as appropriate.

• Decides on design scope and design to network platforms and/or customer solutions

• Provide design authority for complex solutions and/or platform designs in own area of expertise

• Decides on network models for design testing

• Provides technical leadership to internal stakeholders and customers regarding the platform and/or customer solutions.

• Acts as a point of contact for technical expertise to more junior designers or those outside of own domain Infra Team Lead COGNIZANT TECHNOLOGY SOLUTIONS Jun 2010 - Oct2018

• Delivered design for Enterprise Network Architectures Globally

• Actively participating in Datacentre Network Infrastructure Design, Component Selection, Vendor review

• Active participant of Customer RFPs, CAPEX & OPEX budgeting for Network infrastructure across globe

• By performing review of Network Infrastructures and Security Architectures find out loopholes share remedy action

• Continuously auditing enterprise and Datacentre network infrastructures to find out SPOF and make necessary arrangement if require perform optimization

• Global SPOC for critical issues, major outages and going with step-by-step approach to troubleshoot complex Network issues for enterprise + DC networks

• Slashed benefits administration costs 30% by negotiating pricing and fees, while ensuring the continuation and enhancements of services

Key Projects Handled

Metro Re-architecture Project

• Preparation of project

• Designing Metro Architecture

• Hardware selection

• Protocol selection

• Design Validation

• Configuration preparation

• Planning implementation

• Regular update to higher management

Standardizing Global Configuration

• Collection of inventories with the help of local support

• Sorted devices based on model number

• Discussed with Cisco for best practice implementation

• Prepared configuration template as per model and IOS

• Preparation of project plan

• Aligning resources for execution

• Regular Audit for configuration

• Following ITIL procedures to complete the task

• Taking necessary approvals from respective stake owners

• Populating progress

Global Network Refresh

Infrastructure builds out

Awards

Received Best Engineer Award for the Quarter in October 2011 Received Star Engineer Award for the Quarter in October 2013 International Exposure

Germany from January to February 2015 for merger and acquisition The Netherlands from January to December 2016 and March to July 2018 for supporting one of the largest ISP in The Netherlands.

Level 2 Engineer DIMENSIONS DATA (Cisco Gold Partner) May 2008 - Jun2010

• Configured C i s c o R o u t e r s ( 3 8 0 0, 3 7 0 0, 2 8 00,1841, a nd1751) a nd C i s c o Switches

( 6 5 0 0, 4 5 0 0, 3 7 5 0 E, 3750G, 2950)

• Configured Cisco wireless AP's for EAP, MAC, and RADIUS authentication

• Configured and implemented remote access solutions using IPSec VPN

• Designed and implemented security policies using ACL, PIX firewall (515, ASA5500)

• Upgraded Cisco routers, switches, access points and firewalls (PIX) IOS using TFTP

• Recovered IOS image from ROMMON mode

• Configured 6509, 4507, 3750E, 3750G, 3560 Switches (layer 2, 3switching) Key Projects Handled

Advinus Therapeutics (LAN Infrastructure)

• Configured HSRP for HA

• Deployed 2 layered architecture model for LAN

• Configured VLAN and Checkpoint UTM270

• Upgraded license on Checkpoint

Emerson Design & Engineering (LAN Infrastructure)

• Implemented VSS Technology

• Configured stack of Cisco 3750Gswitches

• Configured Etherchannel in between core and access switches, WLC 4402 to manage and maintain light weight access points

• Integrated RADIUS with WLC 4402 for user authentication and authorization

• Executed WCS to manage wireless controller

Mercedes Benz India Ltd (LAN Infrastructure)

• Executed Cisco 3 layered architecture

• Configured HSRP for HA and load balancing

• Configured STP on distribution switches

• Configured OSPF routing protocol inside the campus

• Configured WLC 4402 to manage and maintain Light Weight Access points EXL Services (LAN Infrastructure)

• Configured HSRP for HA

• Deployed 2 layered architecture model for LAN

• Configured VLAN and integrated with the existing site Wave Suspension System (LAN Infrastructure)

• Configured ASA 5510 for remote access VPN and for internet browsing for internal users

• Deployed 2 layered architecture model for LAN

• Configured VLAN

Support Engineer COMPUTECH ENGINEERS (Cisco Premier Certified Partner) Jun 2007 – Apr2008

• Installed, configured and troubleshooting Cisco routers, switches, firewalls & WLC

• Resolved hardware/software, L1/2/3 issues in networking devices like Cisco routers, switches, and firewalls and WLC

• Accountable for IOS up-gradation/degradation, critical recovery, backup and restoration of networking devices

Facility Management Engineer WIPRO INFOTECH Mumbai Sep 2005 - Jun2007

• Installed, configured and troubleshooting all Cisco 1841,2801,2811,3800 series routers and Cisco 2950, 2960, 3550, 3570, 6505, 6509 switches and IP phones etc.

• Carried out site surveys, layouts, LAN cabling of Cisco router2621

• Performed troubleshooting and commissioned E1 and PRI Links (BSNL)

• Installed, and configured Cisco Routers 2621, 3725 and Cisco Switches 2950 and4507

• Efficiently troubleshooting routing protocols like static routing and OSPF

• Prepared reports like POA, installation, acceptance testing, IOS up-gradation, critical recovery, backup and restoration of configuration

Sr. Network Design Engineer Computer World Pune Feb 2002 – Aug 2005

• Installed, configured and troubleshooting all Cisco 1841,2801,2811,3800 series routers and Cisco 2950, 2960, 3550, 3570, 6505, 6509 switches and IP phones etc.

• Carried out site surveys, layouts, LAN cabling of Cisco router2621

• Performed troubleshooting and commissioned E1 and PRI Links (BSNL)

• Installed, and configured Cisco Routers 2621, 3725 and Cisco Switches 2950 and4507

• Efficiently troubleshooting routing protocols like static routing and OSPF

• Prepared reports like POA, installation, acceptance testing, IOS up-gradation, critical recovery, backup and restoration of configuration

EDUCATION

• Master of Organisational Management, Crandall University (2023)

• Bachelor of Education, Bangalore University, Bangalore, Karnataka India (2001)

• Bachelor of Science, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra India (1999) CERTIFICATIONS

• ITILV3Foundation-2013

• Cisco Black Belt in Cloud and End point protection

• AWS Practitioner

• Linux

• CompTIA A+

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