Debashish Bose Email & Phone Number

India

India

• Converted client business requirements into cloud infrastructure design considerations, with focus on performance, scalability, availability, and security
• Engaged with customers, project leads, and cloud vendors to identify key requirements and system components necessary to design and build roadmap to cloud
• Undertook landscape assessments on operating systems, middleware, databases, and security, using TCS and AWS proprietary tools
• Contributed to the foundational design of organizational units, accounts, networks, security measures, and other essential infrastructure components for centralized management across multiple AWS accounts
• Accomplished high-level (HLD) and low-level designs (LLD), created desired state infrastructure on cloud using cloud services
• Enforced guardrails and service control policies from control tower

Bengaluru, Karnataka, India

• Coached team of 30 engineers as part of DevOps team
• Facilitated baseline network design for Cloud, including essential network components such as Transit Gateways, Cloud VPN, Direct Connect, and Transit peering
• Promoted security best practices across OU, account, network, application, and data layers by implementing account network ACLs, security groups, web application firewalls, DDoS protection tools, encryption.
• Minimized human labour by customizing AMIs and IAC using Packer and terraform modules written in JSON and HCL through CI/CD pipelines
• Leveraged WAF, Shield, Guard duty for security best practices
• Utilized AWS lambda Event Bridge and DynamoDB for event-driven cloud architecture solutions

Bengaluru, Karnataka, India

• SME Linux Engineer, supporting infrastructure for $300M company
• Orchestrated RedHat and VCS cluster planning, creation, and administration
• Utilized AWS services such as AMI, EC2, EBS, Autoscaling, ELB, IAM roles and policies, VPC, subnets, security groups, NACL, NAT gateway, Cloud VPN, VPC peering, Transit Gateway, Amazon CloudFront
• Devised and leveraged SNS and SQS solutions and oversaw Route 53 records and routing policies
• Deployed managed databases on Amazon RDS spread across multiple AZ.
• Built and maintained automated CI/CD pipelines for infrastructure code deployment cutting down repetitive work

Bengaluru, Karnataka, India

• Managed Linux infrastructure on multiple variations to achieve 24/7 uptime
• Installed and upgraded Linux systems
• Administered Veritas and RHEL clusters, SUSE manager, and Spacewalk
• Volunteered and attained disaster recovery on VMware environment.
• Tuned system performance to optimize efficacy of new and existing hardware components. Resolved trouble tickets to remove backlogs by 80%.
• Took part in Configuration management using Shell scripts

Bengaluru, Karnataka, India

• OS builds, patch distribution, and vulnerability remediation to trip down repetitive incidents by 50%.
• Created customized golden template for VM provisioning and performed OS hardening and kernel tuning
• Identified and fixed open issues using automation and scripting.