Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Awards
Photography, Travelling, Painting
Languages
Timeline
Generic
Subhajit Basak

Subhajit Basak

Kolkata

Summary

Experienced and enthusiastic Consultant with track record of success across wide range of industries. Possesses exceptional interpersonal, problem-solving and analytical skills to provide advice and expertise to client organizations improving business performance. Experienced in all aspects of operations, strategy and finance.

Overview

11
11
years of professional experience
1
1
Certification

Work History

Assistant Consultant

TATA Consultancy Services
12.2020 - Current
  • Recommended design changes to production systems in response to changing business process, capacity, risks and performance requirements.
  • Partnered closely with technical stakeholders to implement security, operational, compliance and privacy-related controls as part of cloud blueprints.
  • Provided architectural leadership and guidance to technical teams to deliver robust, highly scalable and cost-effective solutions.
  • Displayed sound understanding of standard networking protocols, virtual networks, load balancing, elastic compute system, Certificate Service, AWS Private Certificate Authority, Route 53, Directory Services, AppStream 2.0, Cloud HSM, SQS, SNS, AWS AD Connect, FSx, System Manager, auto-scaling server, Workspace, Cloudtrail and AWS Shell Scripting along with Azure AD, Azure VPC, Azure Virtual Servers.
  • Defined cloud architecture for both hybrid and non-hybrid cloud solutions.
  • Optimized resource allocation for cloud migration projects, resulting in cost savings for both company and clients.
  • Piloted cloud migration strategies for critical business systems, ensuring a seamless transition with minimal disruption of daily operations.
  • Played a key role in successful cloud migration initiatives by planning, designing, executing, and managing various aspects of the process from start to finish(Migrated from physical to AWS cloud using AWS application Migration and Data Migration for Homogeneous and heterogeneous environment).
  • Implemented autoscaling groups for EC2 instances based on demand patterns, ensuring optimal resource allocation during peak usage periods without compromising performance or availability.
  • Configured patch management for workspace and ec2 instances via SSM
  • Designed secure cloud architectures with a focus on data protection, incorporating AWS security best practices and tools.
  • Implemented monitoring strategies using Amazon CloudWatch, ensuring proactive issue resolution and maintaining system reliability.
  • Assisted in the development of comprehensive disaster recovery strategies using AWS tools such as S3, FSX ensuring seamless failover capabilities and minimizing potential data loss.
  • Automated infrastructure provisioning using CloudFormation templates, enhancing scalability and maintainability of the system(Implemented automated patching via SSM to the AWS Workspace using CloudFormation).
  • Created the Design documents for the various AWS apps configuration(FSx, appstream, workspace, application migration service, directory service, SSM patching, Certificate based authentication via AWS CA) Configured the certificate based authentication for workspace and appstream Configured and troubleshooting on cloudfront distribution and WAF
  • Enhanced network security by implementing a multi-layered approach to Active Directory administration.
  • Design and managed Active Directory Trust and Active Directory replication and AD Sites and services for seamless operation across the multiple forests
  • Piloted Domain Controller migration strategies for critical business systems, ensuring a seamless transition with minimal disruption of daily operations via powershell script
  • Piloted Certificate Server and DFS migration strategies for critical business systems, ensuring a seamless transition with minimal disruption of daily operations
  • Managing Cross Forest PKI and Cross-forest AD trust Worked on certificate troubleshooting, FSMO role and certificate based authentication via AD connector
  • Managing Active Directory Schema troubleshooting
  • Led migration projects from legacy systems to modern Windows platforms, improving performance and supportability.
  • Securing the environment by servers hardening and user access control via GPO and implemented the CIS benchmark to the client environment to enhance the security(achieved 98% compliance)
  • Performed regular audits of the Windows environment to identify and rectify any potential security vulnerabilities, ensuring compliance with industry standards.
  • Improved network security by deploying advanced firewall configurations that effectively mitigated potential threats from external sources.
  • Designed and implemented Hyper-V cluster and SQL-cluster for high availability managing the environment
  • Implemented multiple Powershell Scripts to automate the server related task which reduced the cost and effort and significantly reduced the downtime
  • Maintained high-availability systems through regular patching(via WSUS and SCCM) and proactive maintenance tasks, ensuring optimal performance at all times.
  • Worked on NTLM and Kerberos golden ticket reset and server security troubleshooting
  • Used Splunk as monitoring tool and creating dashboard as per the requirement
  • Delivered Tier 3 support for problem identification, diagnosis, RCA and issue resolution as Subject Matter Expert
  • Contributed to disaster recovery planning efforts by developing detailed response strategies related to Windows servers infrastructure.
  • Collaborated with cross-functional teams to diagnose and resolve complex technical issues, enhancing overall system stability.
  • Implemented quality assurance measures to minimize errors in design documentation, reducing costly delays during construction phase.
  • Collaborated with clients to develop customized architectural solutions that met their unique needs and preferences.

Tech Lead

Cognizant Technology Solution
04.2015 - 12.2020
  • Partnered closely with technical stakeholders to implement security, operational, compliance and privacy-related controls as part of Azure cloud blueprints.
  • Worked on Azure Migration from on-premise environment
  • Configured and troubleshooting on Azure VM and Azure monitor and alert configuration
  • Working on Azure Active Directory on newly implemented Azure environment
  • Working on Hybrid environment and troubleshoot the Azure and on-premise cluster environment
  • Troubleshooting on DHCP scope and DHCP DNS configuration
  • Configuring and managing and troubleshooting of Windows Cluster and Hyper-V Cluster and VMWareCluster
  • Configuring and troubleshooting on Virtual Server environment (Hyper-V, VMware) and implemented changes as per the requirement Cloning of and migration of VM in Hyper-V and VMWare
  • Configuring and troubleshooting on DFS namespace
  • Configuring Windows OS Patches through SCCM and worked on WSUS role Managing environment through SCCM and troubleshooting SCCM related issues
  • Creating and modifying Group Policy based on the client's requirement and troubleshooting on Group Policy Registering Schema and editing Schema attributes based on Client requirement
  • Troubleshooting on authentication error and FSMO role error in Active Directory Configured Certificate services in the environment and troubleshooting AD Certificated related error
  • Configuring and troubleshooting error related to Active Directory Sites and Services
  • Troubleshooting on DNS Server and DNS Record based on incident ticket
  • Configuring and troubleshooting on Windows Server and Windows Services Configuring and troubleshooting on backup and restoration process (Hyper-V Checkpoint, VMware Snapshot, System State Backup)
  • Troubleshooting on Windows Cluster environment and performed cluster drain Managing virtual directory and configuring user permission for client approved customized environment
  • Creating and modifying user profile in Active Directory along with troubleshooting on User access in Active Directory
  • Configuring SCOM reporting dashboard and SCOM agent groups and set the alarm threshold for SCOM Object
  • Installation and configuration of Farm in SharePoint 2013 on-premise environment
  • Managing backup and restoration process in SharePoint 2013 along with troubleshooting in SharePoint server 2013 Creation of Site-Collection and Web Template and managing Site Migration between site-Collections
  • Creation of workflow management in SharePoint and form creation using InfoPath
  • Having experience in SharePoint online and O365 online and user management along with Doc-Library and link library and list library and wiki page
  • Creation Managing Quota and troubleshooting user related problem in SharePoint 2013 Managing permission level of the user in the SharePoint On-Premise 2013
  • Implemented Normal and emergency change as per the requirement
  • Providing RCA for the error and making KEDB, SOP documents and architecture diagram of the Environment

System Engineer

NIIT Technologies Ltd.
05.2014 - 03.2015
  • Installation of Windows Server on Dell Chassis and configure as per client requirement
  • Implementing and configuring Active Directory Sites and Services in the entire domain and determine the bridgehead server Adding domains to the Sites under Active Directory Sites and Services on client requirement
  • Implementing Active Directory Certificate Services in Windows 2012R2 server and configure the root certificate authority server as per the client requirement Configuring and managing and troubleshooting of Windows Cluster and Hyper-V Cluster Managing Virtual Servers and also the Live Migration of the virtual servers
  • Created and configured Hyper-V cluster, Cluster Shared Volume and also managing Hyper-V Cluster Environment
  • Taking a snapshot of Virtual Server and restoring it if the problem is not getting resolved
  • Installation and troubleshooting on IIS and configuring the FTP on the requirement basis
  • Working on NUMA topology Creating and configuring Domain Controller and managing the DNS forward and reverse lookup zone and troubleshooting on DNS
  • Working on ISCSI and creating disk on a requirement basis
  • Installation and configuration of Windows SharePoint Services 3.0 and publish a web-based application on Windows SharePoint
  • Configuring and troubleshooting on IIS, FTP, SNMP, VDS, DNS, Active Directory, WSUS, NTP, Group Policy, System State Backup, Hyper-V system Center and the Hyper V role of the Windows Server 2008 and 2012
  • Configuring PWWN number, Dynamic Memory Allocation, VMQ and IPV4 Load for Windows Virtual Machine and troubleshooting on that
  • Working on Windows and Broadcom Teaming, IIS, FTP, NTP, GPO, FSMO, System Center and Windows Services
  • Configuring, Firmware Upgradation and troubleshooting on DELL Brocade switch and the I/O module switches of the chassis
  • Configuring and troubleshooting on IDRAC of DELL Chassis and blade server
  • Taking backup of Chassis Switch and managing them through putty
  • Configuring and troubleshooting on McAfee EPO Server and its client machine
  • Working on EMC Legato Networker and taking daily, weekly and monthly backup of the client of Networker
  • Troubleshooting on EMC Networker
  • Taking LUN Snapshot through UNISPHERE Console and prepare the backup report on a daily basis
  • Monitoring all the server and storage devices and resolving the ticket which was raised due to certain issues
  • Resolved issues and escalated problems with knowledgeable support and quality service.
  • Contributed to the design of new data centers by providing input on layout optimization, power distribution strategies, and cooling solutions.

Data Center Operator

Kaizen IT Service Pvt. Ltd.
03.2013 - 05.2014
  • Installation, configuration and troubleshooting of Windows Server (2003, 2003R2, 2008, 2008R2) along with DHCP client, DNS, and Group Policy
  • Administrator of Active Directory (Set the policy of Active Directory Users, groups, and passwords of specified users)
  • Monitoring and taking the Backup of specified servers through the EMC Legato Networker and running the backups using the recommended process and doing the restoration of specified backups through the Networker Server
  • Monitoring the Building Management System using Honeywell Station software and taking the necessary report of Non-IT equipment (Current rating of EM Channel, Current rating of UPS, Server room temperature and humidity, Fire Alarm and Water Link Detection panel) on the basis of the client's requirement
  • Prepared document of server rack power redundancy and current rating of specified Server rack with detailed information (Socket number, power rating of socket, actual power drawing from the specified socket)
  • Monitoring and taking the daily basis Server report of all servers (Virtual and Physical servers along with Syslog server) and Network bandwidth utilization report.

Education

Bachelor of Technology (B.Tech.) - Electrical Engineering - Electrical Engineering

West Bengal University of Technology, Kolkata
Kolkata, India
10.2011

High School Diploma -

West Bengal Council of Higher Secondary Education, Kolkata
Kolkata
05.2006

Secondary - General Studies And Science

West Bengal Board of Secondary Education, Kolkata
Kolkata, India
06.2004

Skills

  • Cloud Architecture Design
  • Network configuration
  • Route 53 Management
  • Application Migration
  • Scalability and Elasticity
  • CloudFormation Templates
  • Infrastructure Automation
  • Security best practices
  • Auto Scaling Groups
  • High Availability Planning
  • Cost optimization strategies
  • Hybrid Cloud Environments
  • Elastic Load Balancing
  • Disaster Recovery Planning
  • Amazon S3 Storage
  • Amazon EC2 Instances
  • Performance Optimization
  • Process Optimization
  • Documentation
  • Cloud Infrastructure Management
  • AWS Monitoring and Logging
  • AWS Auto Scaling Implementation
  • AWS WAF and Shield Implementation
  • AWS CloudFront Distribution
  • AWS Migration Strategies
  • Azure Virtual Machines
  • Azure Monitor
  • Azure Storage Solutions
  • Azure Active Directory
  • AWS Security Best Practices
  • AWS SNS Notifications
  • AWS SQS Messaging
  • Disaster Recovery
  • AWS Workspace
  • File and Storage Services
  • Hyper-V virtualization
  • Failover Clustering
  • DNS Management
  • PowerShell Scripting
  • Server Migration Planning
  • Active Directory Administration
  • Group Policy management
  • Server Security Hardening
  • Certificate Services Management
  • Threat Assessment
  • Patch management

Accomplishments

  • Collaborated with team of 60 in the development of client project to migrate from on-premise data center to cloud.
  • Supervised team of 40 staff members.
  • Documented and resolved Major Incidents which led to Business back in operation.
  • Achieved reduction of cost through effectively helping with automated incident resolution.

Certification

AWS Solution Architect Associate, 2023, Amazon - KBFTEWELSB4419SB

Awards

  • Mr. Dependable, 2022, Tata Consultancy Services
  • Contextual Master, 2021, Tata Consultancy Services

Photography, Travelling, Painting

Recognized by the National Geographic for the contribution of Thematic Photo Contest

Published my work in the Landscapephoto magazine 

Got selected for best photographer at 35awards

Languages

English
Bilingual or Proficient (C2)
Bengali
Bilingual or Proficient (C2)

Timeline

Assistant Consultant

TATA Consultancy Services
12.2020 - Current

Tech Lead

Cognizant Technology Solution
04.2015 - 12.2020

System Engineer

NIIT Technologies Ltd.
05.2014 - 03.2015

Data Center Operator

Kaizen IT Service Pvt. Ltd.
03.2013 - 05.2014

Bachelor of Technology (B.Tech.) - Electrical Engineering - Electrical Engineering

West Bengal University of Technology, Kolkata

High School Diploma -

West Bengal Council of Higher Secondary Education, Kolkata

Secondary - General Studies And Science

West Bengal Board of Secondary Education, Kolkata

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Subhajit Basak