Chanchal Aggarwal
Linux System Administrator
Noida
Summary
Seasoned Linux System Administrator with 3 years successfully managing diverse distros and multi-site installations. Proficient at streamlining all scales of system architecture, from single terminals to various networked servers. Expert at maintaining smooth operation of Linux-based hardware installations with dynamic performance in environments relying upon diverse operating systems.
Overview
3
3
years of professional experience
Work History
Linux System Engineer
3Pillar Global
07.2022 - Current
- Implementing various security tools like SETUID, SETGID and STICKY BIT on file system for secure access.
- Create & Maintain User and Group Administration.
- Installed and configured Logical Volume Manager – LVM and RAID.
- Install, upgrades and manages packages via RPM and YUM package management.
- Managed systems routine backup, scheduling jobs, enabling cron jobs, enabling system logging and network logging of servers for maintenance.
- Knowledge on configuring SeLinux.
- Configure security settings using Iptables,Firewall.
- Managed and monitored installed systems for highest level of availability.
- Designed and implemented system security and data assurance.
- Configured and maintained web servers with large end users.
- Planned and implemented upgrades to system hardware and software.
- Monitored system performance and responded to alerts.
- Monitored networks and network devices to resolve technical problems quickly.
- Created user accounts and assigned permissions.
- Installed and configured operating systems and applications.
- Generated reports to track performance and analyze trends.
- Created and serviced administrator and user accounts on Linux-based systems, managing various deployments.
- Tuned system performance to optimize efficacy of new and existing hardware components.
- Operating Systems: RedHat (6 and 7), OS installation in LINUX servers, Troubleshooting O/S (LINUX) related problems. Advanced User/Group Administration.
Junior Linux System Administrator
Mypcot Infotech
01.2021 - 06.2022
- Installed system-wide hardware components, confirming interoperation and compatibility with Linux-based software distributions.
- Day-to-day functional administration tasks, as well as application-specific technical support Providing 24x7 enterprise hardware and software support in development, validation and production environments User management.
- Experienced in creating and maintaining users, profile, security rights, disk space and process monitoring.
- Performing system boot and shutdown procedures.
- Monitoring Servers performance using with performance monitoring tools like top and ps etc.
Education
Bachelor of Science - Maths
Dr Bhim Rao Ambedkar University
UP 04.2001 -
INTERMEDIATE - MATHS
UTTAR PRADESH BOARD
UP 04.2001 -
HIGH SCHOOL -
BOARD OF SCHOOL EDUCATION
HARYANA 04.2001 -
Skills
Patch Management
Network Configuration
Performance Tuning
Nagios
Apache Web Server
RedHat Linux
LVM
DNS & DHCP
Package Management (Yum & RPM)
RAID
File System (Creation, Extension, Troubleshooting )
User Management
Leapp Utility
RedHat Satellite
Accomplishments
- Diagnosis and maintenance of hardware issues
Involving single and multiple point failures.
Proficient working experience with vendors like
Hp, dell, and redhat for troubleshooting issues.
User/group administration. - Implementing various security tools like setuid, Setgid and sticky bit on file system for Secure access.
- Creating and managing the file systems. Lvm: knowledge creating the file systems using Lvm, extending/reducing vg and lv Sound knowledge of installing and configuring Servers Patching/software deployment: install Patch/software and upgrade using rpm & yum (for Linux).
- Installation and configurations of dhcp and dns (domain name system) servers.
- Installation and configurations of apache web Server.
- Managed and installed software packages using Yum and rpm and created repository files for Offline servers.
- Taking backup using tar utility and other tools Performed routine account maintenance upon Customer request, including dns updates, httpd Changes, and mailman list setup and maintenance On linux systems.
- Performed project coordination function for Evaluation, installation, monitoring, and Maintenance of server software on variety of Hardware platforms.
- Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system/user requirements.
- Creating, troubleshooting and mounting NFS File systems on different OS platforms.
- Configured various services, devices as well as applications of UNIX servers and worked with the application team to customize the environment.
Additional Information
- Providing 24 x 7 support.
- Flexible with rotational shifts.
- Versed with on call support
Timeline
Linux System Engineer
3Pillar Global
07.2022 - Current
Junior Linux System Administrator
Mypcot Infotech
01.2021 - 06.2022
Bachelor of Science - Maths
Dr Bhim Rao Ambedkar University
04.2001 -
INTERMEDIATE - MATHS
UTTAR PRADESH BOARD
04.2001 -
HIGH SCHOOL -
BOARD OF SCHOOL EDUCATION
04.2001 -