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System Administrator Professional Experience

Location:
Baltimore, Maryland, United States
Posted:
May 19, 2017

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Abiola Bankole

T: 516-***-**** Email: ac0d4a@r.postjobfree.com

Linux Administrator / System Administrator

Experienced Linux System Administrator with strong background in system management which include but not limited to installation, configuration, and maintenance, securing and troubleshooting of Linux/window operating system. I am a dependable team player, problem solver, and teachable employee.

technical skill

Platforms/ Operating System

Linux: - Red Hat Linux RHEL/Centos (6&7 servers), Ubuntu, Fedora,

Virtualization: VMware ESXi

Cloud: AWS

Applications

MySQL, Apache, Tomcat, WINSCP, Jira, Nagios/OMD, Putty, Jenkins, Samba, FTP, NFS, Git, Jenkins, DNS, DHCP, Atlasian tools (Confluence, JIRA), Kickstart, DenyHosts, Fail2ban, GitLab,

Programming Language

Bash/Shell Scripting

Education

John Jay College of Criminal Justice

524 West 59th Street, New York, New York 10019

Completion Date: Dec, 2011

Certification

AWS SysOps Certified Administrator

CompTIA Linux+

LPIC 1

Professional Experience

System Administrator

Toyota Financial

Baltimore Maryland

Jan. 2016 –Present

Job Responsibilities

Installations and configuration of applications on both Physical machine and Virtual machine.

Analyzes and resolves problems associated with the operating system, applications, and machine (Physical and Virtual).

Monitors systems performance and ensures compliance with security standards

Installation on development workflow tools such as Jenkins and Git.

Setup and management of atlassian product suck as Jira, Confluence and bitbucket

Build and maintain server environments running Linux operating system.

Install, Configure, maintain and administer Linux System using KickStart and Interactive Installation on many servers

Install hardware, software and monitor application performance and availability

Deploy new VMware vSphere 6.0 Server and upgrade existing vSphere latest vSphere 6.x release

Perform a variety of maintenance and end-user support to ensure that all workstations, servers and overall network performance meet the standards and requirements

Bash scripts for automating pre/post systems installations and configuration

Administer and configure Logical Volume Manager which involve creating and modifying File Systems, Logical Volume, Physical volume, Volume Groups and Resizing

Installation, configuration and migration of JIRA Server for bug tracking and reporting for projects

Support user management, create user and group accounts, profiles, configure appropriate aces for users and groups and manage quotas

Diagnose and resolve performance bottlenecks on various servers and workstations

Configure and Administer NFS, HTTPD, DNS, and FTP on Linux server environment

Perform daily backup to appropriate media, disk and recovery tapes

Administration and monitoring infrastructure consisting of Nagios server as web interface for configuration and display of performance data

Firewall installation and configuration, NAT, port monitoring, network intrusion testing

Troubleshoot network related issues on various servers

Assist in developing strategic technical documentation and written communication to IT procedures

Monitor Service Desk tickets from queue providing assistance and customer maintenance and testing

System Operation Engineer

AEROTEK

Melville New York

Mar. 2015 – Jan 2016

Job Responsibilities

• Performed installation, configuration, upgrades, Package administration and support for Linux systems on client side using Redhat satellite network server.

• Worked on Red Hat Linux installation, configuring and maintenance of applications on this environment.

• Build servers using Kick Start, and VSphere Client.

• Worked exclusively on VMware virtual environment.

• Accomplished the Installation, Configuration and Administration of Web & Application Servers.

• Performed automated installations of Operating System using kickstart for Linux.

• Remote monitoring and management of server hardware.

• Package management using RPM, YUM and UP2DATE in Red Hat Linux.

• Worked on JIRA, adding users to JIRA, Implementing the password policy to JIRA users.

• Experience in using various network protocols like HTTP, UDP, FTP, and TCP/IP.

• Linux Installation and configuration from scratch and regular monitoring

• Network installation via centralized yum server for client package update

• Network Configuration on Linux.

• Experienced in Red Hat Linux package administration using YUM

• Configuration and Administration of NFS, NIS, and DNS in LINUX environment.

• Implemented file sharing on network by configuring NFS on the system to share essential resources

• Troubleshooting and resolving network issues

• Documentation of activities performed and making the standard operating procedure (SOP)

• Linux file systems and user administration

• Tomcat / Apache installation configuration and troubleshooting

• Configuration like assigning IP addresses, configuring network interfaces, assigning static routes, hostnames etc.

Operation Analyst

Capital One

Uniondale, New York.

Oct 2011 – Jan 2015

Job Responsibilities

Assist in installation, configuration and administration of Centos using Kickstart Servers and unattended disk

Assist in monitoring network security and intrusion detection while adjusting and updating system to meet requirement

Assist in ongoing system performance, system application tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required

Assist in creating and managing users and groups, assign permissions and control access to files

Provide first level contact, troubleshoot application issues on the platform and convey resolutions to customer issues

Provide telephone and in-person support to end users for network and application issues

Document and update all staffs correspondence relevant to internal information via ticketing system

Create Linux/Unix/Window Virtual Machines using VMware

RPM and YUM package installations, patch and other server management

Monitor system performance on all servers (Virtual memory, Disk and CPU utilization)

Implement password aging on Red Hat and Centos servers

Provided on call support by rotation 24/7

Setup of NFS and Samba file sharing services on Linux and Windows environments

Day- to Day, hands on work building, patching and maintaining Linux system in highly virtualized (VMware) environment.

Installation of Nagios/ OMD server

References

Will be provided on request.



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