Email:email@example.com Phone#:732-***-**** Citizen
Highly motivated and talented systems administrator with five years of experience in multiplatform Unix and Linux environments. Experiences involve deploying, configuring, installing, maintaining Linux based servers. Strong ability to solve complex problems, absorb new information, troubleshoot system related issues and adapt to evolving circumstances. Experience in collaborating in a team environment and accomplishing company goals set by senior management and in dealing with high level tasks. Working knowledge and experience with VMware, AWS and automation tools such as Ansible and bash scripting.
New York Presbyterian Hospital, New York, N.Y September 2017- Present
Linux Systems Administrator
●Proficient in configuring PXE Boot with Kickstart servers to initiate installation of RHEL(Red Hat)/CentOS 6/7.
●Experience in virtualized environment with VMware.
●Constructed ESXi hosts, managed vCenter, datastores, HA and DRS clusters, created templates, clones and new VM’s.
●Experience working with installing and provisioning servers (Dell PowerEdge R710 and HP ProLiant DL380 G7)
●Experience with the use of AWS services include but not limited to IAM, S3, Glacier, Cloud Front, EC2, EBS, AMI, ELB, Cloud Watch, VPC, Launch Configuration and Cloud Formation.
●Setup and build AWS infrastructure using EC2, S3, IAM, EBS and Security Groups.
●Experience in AWS Identity & Access Management
●Worked with S3 for hosting static websites as well as assigning life cycle policies for data was of infrequent usage.
●Responsible for user management on Cloud Using IAM policies and roles.
●Wrote Ansible playbooks for application deployment, configuration management and system hardening.
●Worked with Ansible roles, handlers, ad hoc commands as well as inventory files.
●Experience with patch management using Red Hat Satellite and Ansible.
●Backup Scheduling using the full and incremental backups on tapes and on external storages using rsync, scp, tar.
●Manage systems routine scheduling jobs and enabling Cron jobs
●Built and deployed PXE boot server with kickstart file for automated server deployment.
●Enhanced security in environment by opening specific ports, applying security patches and routing password changes.
●Configuring various RAID levels such as RAID 0,1,5 and 6 on physical servers.
●Configured various network services - DNS, LDAP, DHCP, NFS, NIS, Apache, Samba, SSH, FTP, Telnet, HTTP, HTTPS
●User Account Management with NIS/LDAP.
●Good understanding of OSI Model, TCP/PI protocol suite (TCP, UDP, SMTP and FTP).
●Troubleshooting Linux network, security related issues, capturing packets using tools such as firewall, TCP wrappers, NMAP.
●Packaging application installation using YUM and RPM in Linux.
●Maintaining, supporting, troubleshooting, configuration, installing, and deploying upgrades on Linux servers.
●Troubleshooting of day to day system and user problems including resolving issue tickets and documentation of the issues and their fixes.
●Experience with Network Interface Card (NIC) Bonding/Teaming.
●Setting up of NFS, FTP and Samba file sharing services on Linux and Windows environments.
●Provide thorough Documentation of the various issues handled along with the resolution provided
●Strong knowledge of Linux kernel configuration, performance monitoring and tuning.
●Responsible to manage disk space by creating physical volumes, volume groups, logical volumes (LVM) and file systems as per the need.
●Setup of NFS and Samba file sharing services on Linux and Windows environments.
●Day to day, hands on work building, patching, and maintaining Linux systems.
●Maintained the server’s inventory
●Wrote some bash shell scripts for automation of everyday tasks.
●Good experience monitoring servers using Nagios.
Walmart, Bentonville, AR August 2014 - June 2017
Linux Systems Analyst
Experience installing, upgrading and configuring Red Hat Linux 5.x, 6.x, 7.x using Kickstart Servers and Interactive Installation
Installation and configuration of different Services: Apache Web Server, DNS - BIND, NTP and NFS.
Installed, upgraded and managed packages via RPM and YUM package management
Manages systems routine backup, scheduling jobs and enabling Cron jobs.
Disk management (partitioning tools, swap space, LVM)
Installed and configured Logical Volume Manager to improve data management and RAID to improve redundancy.
Strong knowledge of Linux kernel configuration, performance monitoring and tuning.
Performed tasks following the ticketing system BMC Remedy.
Managed routing backup using NetBackup.
Experience with racking/stacking Bare metal servers in datacenter.
Hands on experience creating and managing snapshots, templates and cloning VMs. As well as migrating VMs through Vmotion and working with DRS and HA.
Monitored servers using Nagios
Established and maintained user accounts, assign file permissions and user passwords.
Implemented and maintained NIS.
Managed processes by monitoring, managing, and maintaining instances of running applications.
Access and edit files securely using vi editor.
Great knowledge of network protocols such as TCP/IP.
Troubleshooting and providing resolutions for software issues.
Scanning hosts for vulnerabilities and remediating them through timely pat
Backed up important files using the tar, zip, gzip and other compressing utilities.
Troubleshoot and maintain the health of the systems while also assuring the networks are up and running.
Used SSH keys to log into remote servers for support and maintenance, transferring of files and remote execution of commands.
Decommissioned servers using company procedures
Configured and maintained NFS with automounting
●Red Hat Satellite
●PXE Boot with Kickstart
Training: RHCSA from Red Hat training academy in NY 2014
Education: Bachelors in Arts from Karachi University, Karachi / Pakistan 2000