Summary
Overview
Work History
Education
Skills
Accomplishments
Affiliations
Hobbies and Interests
Additional Information
Certification
Timeline
Generic

Satish Kulkarni

Senior Linux Administrator
Mumbai

Summary

Over 10 years of extensive experience in OS and Infrastructure Administration, specializing in optimizing Red Hat OS, ensuring security compliance, and performing system maintenance. Proficient in managing AWS infrastructure and implementing core services to streamline deployments using DevOps tools. Skilled in real-time monitoring, troubleshooting, and developing server-less functions for enhanced efficiency in system tasks. Excellent communication and collaboration skills, able to work independently or as part of a team. Seeking opportunities in Cloud and DevOps roles for career growth. Recognized for dedication and hard work on multiple projects. Professional Linux systems specialist with expertise in managing enterprise-level infrastructure, server administration, scripting, troubleshooting, security, and performance optimization. Known for collaborative teamwork, adapting to changing priorities, and delivering results consistently. Proficient in Red Hat, CentOS, Ubuntu, automation, and Bash.

Overview

10
10
years of professional experience
1
1
Certification
4
4
Languages

Work History

Senior Linux Administrator

Capgemini
09.2022 - Current
  • Proficient in installing, configuring, and optimizing performance for Red Hat, Ubuntu, and CentOS servers, ensuring seamless operation
  • Proactively monitor and troubleshoot kernel panics, file-system issues, and maintain server uptime by leveraging performance monitoring tools like sar, top, free, vmstat, and iostat
  • Manage licenses, subscriptions, content views, and repository syncing using TEM and RedHat Satellite for efficient patching tasks, including pre and post-patch validations, security vulnerability addressing, and server compliance
  • Experienced in managing Red Hat PCS clusters, conducting patching, and executing data migrations with precautions using Lvconvert or Pvmove
  • Configure and enhance system security by implementing hardening measures following CIS standards, including setting up grub password, iptables, firewall rules, audit rules, and other security protocols
  • Proficient in storage configurations, including multi-path setup, LVM partitioning, and Oracle ASM Luns
  • Address user-based issues through INC, managing user accounts, sudoers, permissions, file ownership, and performing operating system file system housekeeping tasks
  • Create custom services on RHEL7 using system unit files, showcasing expertise in Linux system and service management
  • Developed a new CIS standard hardening process document for RHEL 8 project, ensuring adherence to security best practices and implementing necessary changes for system security
  • Demonstrated strong troubleshooting skills honed through diverse roles, adept at quickly identifying and resolving issues to minimize downtime and enhance operational efficiency.
  • Installed system-wide hardware components, confirming interoperation and compatibility with Linux-based software distros.
  • Interacted directly with users to diagnose and correct major system issues and address concerns.
  • Performed root cause analysis on recurring issues, implementing long-term fixes that increased system reliability over time.
  • Reduced server downtime with proactive monitoring, timely updates, and efficient troubleshooting of Linux systems.
  • Implemented automation tools to streamline routine tasks, freeing up time for higher-level strategic initiatives.
  • Conducted regular audits of deployed systems ensuring compliance with industry standards as well as internal policies.
  • Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
  • Led server infrastructure development, quality assurance, staging and production systems.
  • Analyzed complex project server issues and worked on large enterprise and business-critical applications.
  • Resolved issues and escalated problems with knowledgeable support and quality service.
  • Handling installation, configuration, administration and upgrade of Oracle Solaris 11 Operating.
  • Creating ZPool and managing ZFS file system in Solaris
  • Gaining troubleshooting skills with network protocols such as TCP/IP, SMTP, and SNMP as well as getting extensive implementation and troubleshooting experience under Client Server Systems
  • Writing basic Shell scripts using bash for process autornation of log collection and server health checks
  • Analyzing and interpreting system and log files as well as managing user accounts, system security, change management, and performance tuning
  • Monitoring system activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues
  • Resolving tickets and requests in timely manner; responding to high volumes of support tickets


IT Assistant Manager

Sachar Gaming PVT LTD
01.2017 - 09.2022
  • Proficient in AWS services including VPC, EC2, Route table, Security group, IPsec VPN, load balancer, VPC peering, Auto Scaling, and EBS
  • Experienced in installing, configuring, upgrading, and managing GitLab Server for version control
  • Installed and configured Jenkins server for continuous integration and deployment
  • Setup and configured Ansible server, creating playbooks for automated installation of Linux packages
  • Implemented Docker containers in production environments, ensuring efficient deployment and management
  • Automated daily tasks using Shell Script for improved efficiency
  • Installed ELK stack for log analytics using File beat
  • Monitored infrastructure and applications using Zabbix, Grafana , and Nagios
  • Installed and managed Alfresco for document management
  • Implemented distributed storage center backups to prevent data loss
  • Managed VMware ESXi Host installation, configuration, and VCenter configuration (6.5), including VM migration, Vmotion configuration, resource management, and datastore management
  • Proficient in package installation using RPM and YUM
  • Skilled in file permission management, including changing file permissions, ownership, groups, and users
  • Expertise in process management and user administration
  • Proficient in Logical Volume Management (LVM) for efficient disk management
  • Scheduled jobs using CRON for automated task execution
  • Configured file sharing services like NFS and managed FTP and SFTP servers
  • Knowledgeable about DNS server configuration and web server setup.

Tech Team Leader

Serenity Trades PVT LTD
07.2016 - 12.2016

Service Desk Engineer

Talent Pro
04.2015 - 06.2016

Education

HSC: MCVC -

BNN College
Bhiwandi, MH

Skills

Cloud service: AWS

Version control: Gitlab, Git, GitHub

Infrastructure as a code: Ansible

Deployment: Jenkins Basic

Container technology: Docker Docker Compose

Analytical tools: ELK (Installation & basic Configuration )

Monitoring tools: Zabbix Grafana NagiOS Opsview

Scripting : Bash

Virtualization: VMware, Vcenter Virtual Box VMware Workstation

Operating systems: Linux (Red Hat, Centos, Rocky Linux, Ubuntu, Linux mint, etc)

Patching tool: IBM BigFix Tool Red hat Satellite

Service Management: JIRA Service Now

Linux system administration

Solaris Administration

Accomplishments

  • Sachar Gamining Pvt Ltd Long Service Award 2022
  • Completion of 5-years' service
  • Star month of Award – Current Project 2023 June
  • Certificate of Appreciation – Propeller – 2023 H1.
  • Promoted in 2025 as Senior consultant.

Affiliations

  • Completed a Course named JETKING HARDWARE & NETWORKING PROFESSIONAL (JCHNP).
  • Completed CCNA FROM TECH NET Thane.
  • Plowitech Institute linux course.

Hobbies and Interests

  • Playing Cricket
  • Listening to Songs

Additional Information

● Sachar Gamining Pvt Ltd Long Service Award 2022 for Completion of 5-years' service
● Star month of Award – Current Project 2023 June
● Certificate of Appreciation – Propeller – 2023 H1


Certification

Microsoft Certified, Azure Administrator Associate - Microsoft.

Timeline

Microsoft Certified, Azure Administrator Associate - Microsoft.

12-2023

Senior Linux Administrator

Capgemini
09.2022 - Current

IT Assistant Manager

Sachar Gaming PVT LTD
01.2017 - 09.2022

Tech Team Leader

Serenity Trades PVT LTD
07.2016 - 12.2016

Service Desk Engineer

Talent Pro
04.2015 - 06.2016

HSC: MCVC -

BNN College

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Satish KulkarniSenior Linux Administrator