YASHPAL SINGH
GHAZIABAD
Summary
Overall, 30+ Months of extensive experience in configuring , installing , Patching and deploying instances on Linux environments/Servers and Data centers. Experience in the areas of Monitoring & Troubleshooting with Nagios Core And Nagios XI. Expertise in configuring and manage Storage devices Like NAS , SAN. Proficient in deploying, configuring, and optimizing various Linux distributions, including CentOS, Ubuntu, and Red Hat Enterprise Linux. Extensive expertise in managing virtualization technologies such as VMware vSphere and KVM/QEMU for efficient resource utilization. Adept at automating tasks using scripting languages like Bash and Python, enhancing system efficiency and reducing manual intervention. Skilled in implementing robust security measures, including firewall configurations (iptables, firewalled), SELinux, and intrusion detection systems. Experienced in setting up and maintaining web servers (Apache, Nginx) and application servers (Tomcat, JBoss) to host critical web applications. Skilled in performance tuning and optimization of Linux systems, leveraging tools like top, vmstat, iOS tat, and sar to analyze and improve system performance. Administration of networking devices such as Routers and switches. Experience in installation, configuration and volume/disk management using Veritas Volume Manager (VxVM), Solaris Volume Manager (SVM) and Veritas File System (VxFs) in Solaris and logical volume manager (LVM) in Linux. Installation and administration of zones on Solaris 10. Configuration and deployment of Nagios freeware monitoring system for managing all the Linux warehouse systems. Installation of patches, security fixes and packages on AIX and Linux servers. Implemented day-to-day tasks in Red Hat Linux including upgrading RPM's, Kernel tuning, HBA Driver, configure SAN's, Multipathing and Logical Volume Manager LVM. Proficient in managing authentication and access control using tools like SSH, PAM, and ACLs to maintain system security and data confidentiality.
Overview
3
3
years of professional experience
Work History
Linux/Nagios Administrator
SOURCE SOFT SOLUTIONS PVT LTD
Noida
06.2022 - Current
- Installation, Configuration of Linux, Solaris operating systems on different hardware environments.
- Hands on experience with Nagios Core, Nagios XI configuration.
- Deploy and configure Nagios & Solar Winds Software, modules and agents to Monitor The network, Servers And Other IT Infra Components.
- Good Knowledge of Network protocols, architectures and IT Infrastructure components including servers, routers, switches and Firewall (Sonicwall).
- Set UP Monitoring Policies and Monitor network and system performance, and configure alerts to proactively identify and troubleshoot issues.
- Good hands on experience with user management , create user and manage user account
- Manage User Accounts and permissions across multiple Linux Servers, Ensuring secure access and compliance with company policies
- Implemented automated scripts for user account creation, Modification And Deletion, streamlining the user management Process
- Create and update Email accounts E-mail account, E-mail Qouta , Email Queue Monitoring and maintainance
- Investigate and Troubleshoot any issues or incidents related to Nagios Infrastructure And troubleshoot them.
- Experience of Adding hosts and services to Nagios core , Nagios XI and monitor them to troubleshoot any issues affecting UPTIME.
- Provided technical assistance with computer hardware and software issues when needed.
- Monitored System Performance metrics and implemented improvements to ensure optimal functioning.
- Performed upgrades of Packages and Patches in Solaris, Linux, Windows, & Mac Operating Systems.
- Configuration , maintainance , troubleshooting & Deployement of Linux based servers & server recovery.
- Good Knowledge of Zimbra & Postfix mail server configuration and its maintainance.
- Utilized postfix to manage E-mail Queues and filter spam, Ensuring Reliable Email delivery and system integrity.
- Experienced in configuring monitors using SNMP, SSH, WinRM, WMI.
- Creation and scheduling cron jobs for backup, system monitoring and removal of unnecessary files.
- Application servers, database servers, directory servers, core infrastructure services (Proxy, DNS, SSH, SMTP, etc.), and others.
- Create virtual switches and port groups, configure virtual networking settings for redundancy, and configure network traffic, security and load balancing policies.
- Discussed and documented Internal WIKI pages about the SLAs, OLAs and other ITIL best practices used to address the tickets in a timely manner.
- Monitoring system resources, logs, disk usage, scheduling backups and restore.
- YUM and apt get package management.
- Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client's requirement.
- Day-to-day activities involving client support around compute, storage, networking, Documenting the procedures and standards for other administrators to follow.
- Implemented RAID technology to back up servers.
- Performed network troubleshoot using nod, traceroute, netstat, ifconfig and snoop.
- Configured LVM (Logical Volume Manager) on various Linux servers.
- Maintained and monitored user accounts, file security, file access, permissions, passwords, provided special privileges to selected users, thus controlling the system and its access.
- Managed several projects to implement a Hyper-V cluster with Hyper-V replication of virtual machines (VMs) and distributed file system (DFS) replication of shared files to provide high availability (HA) and disaster recovery (DR).
- Managed and maintained virtual computing environment based on VMware and administers computer systems with window.
- Performed regular backups of critical systems using backup software tools.
Internship Trainer
Nirant Technologies Pvt Ltd
BANGLORE
02.2022 - 06.2024
- Implemented best practices for hardening Linux systems against security threats such as malware or viruses.
- Assisted with server migrations from physical servers to virtual machines in a cloud environment.
- Monitored performance of applications running on Linux systems and tuned them as needed.
- Performed daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes.
- Diagnosed hardware failures on production servers in order to minimize downtime.
- Provided technical support for end-users experiencing problems with their Linux systems or applications running on them.
- Developed documentation outlining procedures related to maintaining secure environments while administering a variety of different types of servers running different distributions of Linux operating systems.
- Configured, maintained, and secured various Linux systems for multiple users.
- Troubleshooted network issues and resolved them using Linux system administration tools.
- Developed scripts to automate tasks related to system maintenance and operations.
- Maintained log files of system events and monitored these logs for suspicious activity or errors.
- Managed user accounts on the Linux operating system, including creating new user accounts.
- Configured and supported virtual environments using VMware and Hyper-V, optimizing resource utilization.
- Managed email routing and internal message protocols to support reliable delivery of communications.
- Developed and maintained comprehensive documentation for system configurations and procedures.
- Oversaw storage management, data migration, backups and drive replacements.
- Configured and managed email servers and protocols, ensuring reliable and secure communications.
- Configured monitoring tools such as CloudWatch Logs, Metrics and Alarms for tracking resource utilization across various cloud deployments.
- Ensured compliance with security policies through periodic audits and reviews of all resources hosted on Amazon Web Services platform.
- Configured backup plans for data stored in Amazon S3 buckets by scheduling regular backups and establishing retention periods.
- Monitored replication status between domain controllers using Replication Monitor tool.
- Deployed new servers with Windows Server OS and configured them according to organization's standards.
- Performed maintenance activities such as offline defragmentation of active directory database.
- Assisted in troubleshooting network connectivity issues related to DNS, DHCP and TCP and IP configuration.
- Maintained backup schedules for Active Directory databases by using NTBACKUP utility.
Education
Bachelor of Science -
Kunal Proffesional Eductional Academy
Agra06-2018
Skills
- Continuous Integration Tool
- GIT
- Prometheus
- Bug Tracking Tools
- JIRA
- NAGIOS
- Cloud Watch
- KIBANA
- Zimbra
- Operating Systems/Virtualization Tools
- Linux
- Windows Servers
- Ubuntu
- Virtual Box
- VMware
- Application Servers/Middleware
- Apache Tomcat
- WebLogic
- WebSphere
- Network configuration
- Storage Management
- User Account Management
- Hardware diagnostics
- Patch management
- Scripting Languages
Personal Information
- Father's Name: Mr SHER SINGH
- Date of Birth: 12/22/95
- Gender: MALE
- Nationality: INDIAN
Languages
HINDI, ENGLISH
Accomplishments
- Get the Work Appreciation Certificate for Work Sincerity and Attendance Management.
Languages
Hindi
First Language
English
Upper Intermediate (B2)
B2
Timeline
Linux/Nagios Administrator
SOURCE SOFT SOLUTIONS PVT LTD
06.2022 - Current
Internship Trainer
Nirant Technologies Pvt Ltd
02.2022 - 06.2024
Bachelor of Science -
Kunal Proffesional Eductional Academy
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