We provide IT Staff Augmentation Services!

Linux Systems Administrator Resume

3.00 Rating

New York N, Y

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.
Confidential, Bentonville, AR

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

We'd love your feedback!