Network Administrator
Resume:
ABHIJIT KASAREKAR
Mobile: +1-506-***-****
E-Mail:****************@*****.***
Profile Overview
Network Administrator with over 15 years of expertise in monitoring network health, implementing security measures, and providing technical support. Proven track record in identifying best practices, forecasting customer needs, and ensuring operational resilience through IT business continuity planning and employee cyber awareness training.
Technical Skills:
Routing protocols (BGP, OSPF), Switching Technology, Network devices, VPN, Firewall, Network Security, Wireless Technology, monitoring and reporting network health using NAGIOS, SolarWinds, Windows Desktop and Server OS, Conducting Network reviews, implementing best practices, managing server, and workstations security, ensuring system updates, DC – DR Test, link testing, maintaining Active Directory, managing backups, IDS, QoS, DHCP, Wi-Fi, Dot1X.
Soft Skills:
Problem-solving, communication, leadership, Critical thinking, innovation, Auditing, Customer relationship, forecasting budget, maintaining inventory, providing end-user support and training. IT Infrastructure Skills:
Server and Workstation Security: Firewall monitoring, VPN access, wireless network security, antivirus systems, and security certificate management.
Data Backup Solutions: Managing data backup solutions and performing backup data recovery as needed. Helpdesk Support: Providing helpdesk support via telephone and email, addressing user inquiries and technical issues.
System Updates: Ensuring Windows operating systems are up to date by monitoring patch levels and scheduling software updates for servers and workstations. Reporting and Planning: Preparing monthly/quarterly/annual reports on IT health and activity, conducting monthly/quarterly/annual network health reviews, capacity planning, and strategic planning for backups, firewalls, storage arrays, servers, and network hardware. End-User Support and Training: Providing end-user support and training to enhance their understanding of IT systems and security protocols.
Business Continuity Planning: Assisting in developing IT business continuity plans to mitigate the impact of server failures, destruction, or cyber-attacks.
Cyber Awareness Training: Conducting annual employee cyber awareness and security training sessions. VMWare Administration: Administering VMWare systems and storage array systems, ensuring proper functioning and performance.
Active Directory Management: Monitoring and maintaining server health, including Active Directory and Group Policy configuration support.
Work History
Network Administrator DigiBandit IT Services Mar 2024 – Present
• Configure routers, firewalls, and other network hardware.
• Resolving help desk issues.
• Take network security precautions and keep an eye out for dangers.
• Install and update software for the entire firm.
• Support and management of applications from other parties.
• Maintain software for firewalls, routers, switches, and wireless devices
• Network security, antivirus systems, and security certificate management Network Administrator DPL May 2023 – Feb 2024
Modem manufacturer for ATMs. I supported 60K units across North America with a 10-member team.
• Configure routers, firewalls, and other network hardware.
• Assist in resolving help desk issues that have been escalated.
• Take network security precautions and keep an eye out for dangers.
• Install and update software for the entire firm.
• Support and management of applications from other parties.
• On-call support on weekends and after business hours. Network Technician (On Call) Hannatech INC Jan 2023 – May 2023
• Provided remote desktop support to end users by troubleshooting technical issues and resolving them efficiently.
• Configured network settings and ensured seamless connectivity for all devices.
• Installed network equipment such as routers and switches to enhance network performance.
• Identified and resolved network issues by employing effective troubleshooting techniques.
• Performed hardware maintenance tasks to keep network systems running smoothly.
• Ensured network security by implementing robust protocols and monitoring potential vulnerabilities. Senior Infrastructure Engineer Hitachi Vantara Sept 2021 – Apr 2022
• Service owner of LAN infra globally including DC
• Delivered design for Enterprise Network Architectures Globally
• Designed, planned, and implemented an infrastructure environment to support company strategic initiatives.
• By reviewing 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 arrangements if required, to perform optimization
• Global SPOC for critical issues, major outages, and going with a step-by-step approach to troubleshooting complex Network issues for enterprise + DC networks
• Slashed benefits administration costs by 30% by negotiating pricing and fees, while ensuring the continuation and enhancements of services
• Coordinated with vendors, contractors, clients, and internal customers to ensure smooth implementation and operations of new systems/applications.
• Proactively evaluated new technologies and participated in decision-making regarding solving future technical issues and long-term technical direction
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.
• Developed and maintained SOP's and documentation for Infrastructure and applications.
• Responsible for following and contributing to design best practices 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.
• Provide design authority for complex solutions and/or platform designs in own area of expertise
• Decides on network models for design testing
• Provide 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 their domain Infra Team Lead Cognizant Technology Solutions Jun 2010 – Oct 2018
• Delivered design for Enterprise Network Architectures Globally
• Actively participating in Datacentre Network Infrastructure Design, Component Selection, Vendor review
• Active participant in Customer RFPs, CAPEX & OPEX budgeting for Network infrastructure across the globe
• By reviewing 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 arrangements if required perform optimization
• Global SPOC for critical issues, major outages, and going with a step-by-step approach to troubleshooting complex Network issues for enterprise + DC networks
• Slashed benefits administration costs by 30% by negotiating pricing and fees while ensuring the continuation and enhancements of services
• Proactively evaluated new technologies and participated in decision-making regarding solving future technical issues and long-term technical direction
Key Projects Handled
Metro Re-architecture Project (cradle to grave in US $500K and lasted for a year)
• Prepared/planned project
• Designing Metro Architecture
• Hardware selection
• Protocol selection
• Design Validation
• Configuration preparation
• Planning implementation
• Regular updates to higher management
Standardizing Global Configuration (Span for 6 months)
• 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 stakeholders
• Populating progress
Global Network Refresh (Cradle to grave for US $2M spanned for 2 years) Infrastructure builds out (Cradle to grave for ongoing projects) Awards
Received Best Engineer Award for the Quarter in October 2011 Received Star Engineer Award for the Quarter in October 2013 Level 2 Engineer Dimensions Data (Cisco Gold Partner) May 2008 – Jun 2010 Support Engineer Computech Engineers (Cisco Premier Certified Partner) Jun 2007 – Apr 2008 Facility Management Engineer Wipro Infotech Sep 2005 – Jun 2007 Sr. Network Design Engineer Computer World 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, and 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
• 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
EDUCATION
• Master of Organizational Management, Crandall University, Moncton, NB, (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 Endpoint protection
• Cisco Certified Network Associate
• Cisco Certified Network Professional
• AWS Cloud Practitioner
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