SUMMARY:

• 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.

TECHNICAL SKILLS

• Linux Administration/Engineering
• VMware
• AWS
• Ansible
• Bash Scripting
• Nagios
• Red Hat Satellite
• PXE Boot with Kickstart

PROFESSIONAL EXPERIENCE

Confidential, New York, N.Y

Linux Systems Administrator

Responsibilities:

• 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.
• Implemented automated local user provisioning instances created in AWS cloud
• 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
• Performed S3 bucket and attaching policies for administrators to access them.
• 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, postfix, Apache, Samba, SSH, FTP, Telnet, HTTP, HTTPS
• User Account Management with NIS/LDAP.
• Good understanding of OSI Model, TCP/PI protocol suite (PI, TCP, UDP, SMTP and FTP).
• Troubleshooting Linux network, security related issues, capturing packets using tools such as firewall, TCP wrappers, NMAP.
• Excellent experience in installing and managing YUM and RPM Packages.
• 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.

Linux Systems Administrator

Responsibilities:

• 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