Summary
Overview
Work History
Education
Skills
Certification
Timeline
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Rahul Das

Rahul Das

Tech Lead
Kolkata

Summary

Senior systems engineer with 8+ years of experience in root-cause analysis, issue resolution, and business requirement documentation. Skilled in implementing architect-based solutions and proficient in Linux and Unix server architecture. Deep understanding of technological applications.

Overview

10
10
years of professional experience
3
3
years of post-secondary education
5
5
Certifications
3
3
Languages

Work History

Senior System Engineer / Tech Lead

Seamless Distribution Systems
Kolkata
11.2024 - Current
  • Leading infrastructure automation initiatives, improving observability and system reliability using Prometheus and Grafana.
  • Enhanced container orchestration capabilities by managing Kubernetes clusters for test and staging environments.
  • Collaborated closely with product and DevOps teams to optimize CI/CD workflows and monitoring stacks.
  • Conducted performance tuning and availability monitoring, significantly reducing incident response time.

Tech Lead

Cognizant
Kolkata
06.2018 - 05.2024
  • Led and executed server rebuild activities on Linux physical, VMs and HPC compute nodes, improving system reliability and reducing downtime for customers.
  • Streamlined building activities for physical and VM servers, resulting in cost savings and improvement in resource utilization, contributing to overall IT efficiency.
  • Led a team in executing OS patching rhe 6 to 7 migrations and forklift activities on 3000+ Linux and AIX servers, remediation system vulnerabilities and ensuring optimal server performance.
  • Increased automation efficiency by 30% through the development of bash, Shell and Ansible scripts, resulting in a significant reduction in manual tasks and improved productivity.
  • Implemented Kubernetes cluster in test environments and helped in setup , resulting in faster deployment and reduction in downtime, leading to enhanced customer satisfaction and reduced operational costs.
  • Managed HPC servers with troubleshooting and node reimaging.
  • Participated in changes and modification on puppet through GIT branch to push environmental changes.
  • Ownership and through out engagement over high priority/P1 level incidents with follow-up in retro call for process improvement.
  • Experienced in ILO/ILOM, VMware, Nutanix, HMC console for managing respective OS systems.
  • Vigilant support ensuring customer satisfaction focusing on hardware, OS, network storage level impairments & improvements.
  • Experienced in ITIL process and SNOW, HPSM ticketing tools.

System Engineer

Wipro Technologies
Mumbai
01.2015 - 05.2018
  • Coordinated SAN tech refreshment and SAN stack upgrade activities in Aix servers, optimizing power path and multipath configurations, resulting in an increase in storage throughput and system reliability.
  • Implemented VCS and HACMP cluster management for Linux and AIX OS, reducing system downtime significantly and increasing system availability, leading to improved business continuity and customer satisfaction.
  • Successfully completed regular patching activity and firmware upgrades on AIX servers, resulting in enhanced security and remediation of system vulnerabilities.
  • Throughout Support in root cause analysis and Led successful disk replacement activities, achieving a significant decrease in system failures and minimizing disruption to operations.
  • Handled daily BAU activities with higher integrity and accuracy for over 30000+ servers in AIX and Linux. Resolved most of the system- related issues within SLA, improving overall system reliability and user satisfaction. This positively impacted business operations and customer experience.

Education

Bca -

Dr.B.C Roy Engineering College
Durgapur
05.2011 - 05.2014

Skills

Ansible

AWS

Baas backup

Bash

Docker

Git

HPC server support

IBM AIX

Integrated Lights Out Manager

Kubernetes

Linux

NetBackup

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Certification

AWS Certified Cloud Practitioner, 09/01/23, 09/30/26

Timeline

Senior System Engineer / Tech Lead

Seamless Distribution Systems
11.2024 - Current

Tech Lead

Cognizant
06.2018 - 05.2024

System Engineer

Wipro Technologies
01.2015 - 05.2018

Bca -

Dr.B.C Roy Engineering College
05.2011 - 05.2014
Rahul DasTech Lead