Linux Systems Administrator Resume

OBJECTIVE:

Obtain employment as a Linux System Administrator

SUMMARY:

Four years of strong experience, analyzing, troubleshooting and Resolving complex Linux base hardware and software issues.
Well versed in enterprise deployments and Linux OS hardening
Hands - on methodical, analytical and persistent Challenge-solver
Detailed, patient and diligent in achieving quality results

TECHNICAL SKILLS:

Operating Systems: Redhat 6/7, Centos, Unix and Ubuntu

Languages: Shell scripting, ansible, working knowledge of python

File sharing services: Autofs and NFS

Virtualization tools: VMware, Openstack

Ticketing tools: Jira

Web Server: Apache, Tomcat

Database: Mysql

Proxies: Nginx, HAproxy and HTTP

Clouds: AWS & Openstack

Configuration Management: Ansible

Security: Selinux and SSL

PROFESSIONAL EXPERIENCES:

Linux Systems Administrator

Confidential

Responsibilities:

Deploy several VMs from Templates and customized their configurations as-needed in a VMware/vSphere environment.
Supporting system users and troubleshooting system issues, and documenting solutions for future reference
Develop and create QRH (quick reference handbook) documentations used for first respond troubleshooting in order to maintain little or no downtime. Create technical documentations, power point slides for presentation and one on one trainings.
Deploy, migrate and manage Docker containers on Docker UCP environment. Check container performance and suggest possible performance improvement tuning.
Utilize continuous integration tools such as RedHat Satellite, bash scripting and Ansible to develop provisioning and installation techniques.
Mange services such as LDAP for user’s authentication, Nginx, HAproxy and HTTP for proxy, autofs and NFS for volume sharing, SSL and SELinux for security, SMTP for mail, DNS for name resolution, and DHCP
Maintaining system accounts, logs and systems error logs
Responsible for tickets, assigning privileges and Systems Security Administration
Installing and maintaining the operating system and related software products
Configuring APACHE Server with JAVA based Applications on Red Hat environment
Performed day-to-day operational maintenance, support and upgrades for Linux operating systems, workstations and servers.
Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
Maintaining Linux servers, evaluating needs and installed appropriate recommended patches as needed
Participating in root-cause analysis of reoccurring issues, system backup and security setup.
Migrate systems from RHEL 6 and VMware environment to Rhel7 and AWS cloud.
Configured and administered AWS (Amazon Web services) such as, EC2 instances, IAM, VPC, S3, AMI's, Security Groups, Elastic IP's (EIP), Key pairs, Auto scaling, and Elastic load balancing in testing, development, and production environments.
Participate in a rotational 24X7 on call support to a Production and Development environment.

Linux/Unix System Administrator

Confidential, VA

Responsibilities:

Deploy and manage servers in a VMware, OpenStack, private cloud environment by deploying instances, creating security groups, managing volumes, user creation and migration of instances from one environment to another
Troubleshoot, track and resolve complex issues on all the Linux servers in the environment by reading log messages and making positive decisions.
Knowledge of system security architecture and system protection and hardening by using tools like firewalld, SElinux, and others to ensure system availability and data protection.
Utilize Linux utilities to maintain data storage and disk space requirements.
Provide daily support to software developers and application team as required.
Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
Schedule jobs and automating processes using CRON and AT
Access tickets daily using the remedy ticketing system while providing recommended solutions
Perform basic creation and troubleshooting on shell scripts
Manage and maintained user accounts by performing user ID creation, modification, and deletion.
Monitor system logs and root's email for important messages such as errors and warnings or hardware fail errors.
Create groups, added User ID to groups as primary or secondary groups, removing User ID from a group.
Converts physical servers to virtual servers and managed them as required.
Configure Apache tomcat servers and deployed java base applications such as Jenkins.
Manage users, user passwords and organization units in windows active directories.

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