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Linux Administrator Resume

MD

SUMMARY:

  • Offering more than 7 years of IT experience in installing, configuration and troubleshooting experience in system administration on various operating system including Linux and Windows. Team player and result oriented

TECHNICAL SKILLS:

Operating Systems: RHEL 5/6/7, CentOS, Windows 2012/2016 R2

Software: Linux file system, ESX 6.x, 7.x Tomcat, Web/ Application Server, Apache, Oracle, SAMBA, LDAP, AD, LAMP, PHP, Ansible, Solarwinds, Nagios

PROFESSIONAL EXPERIENCE:

Confidential, MD

Linux Administrator

  • Coordinate and consult with end - users, application development, infrastructure, client services, vendors and team members to meet and exceed customer requirements and end-user satisfaction
  • Responsible for monitoring DEV, QA and PRD applications, middleware, and infrastructure, and collaborate with team members to develop automation strategies and deployment processes
  • Monitor and maintain multiple high visibility tools and applications to achieve 99.9% uptime
  • Demonstrated expertise in configuring, managing and troubleshooting various of NFS, DNS, DHCP, TCP/IP and other networking issues
  • Provide SME guidance related to project planning, management, and monitoring in technical areas through-out SDLC
  • Creating, cloning Linux Virtual Machines, templates using VMware ESX 4.x, 5.x, 6.x
  • Diagnose and resolve issues with OS and hardware, including problems with CPU, memory, and disk
  • Administrated Linux servers for various functions such as Apache(web) server, Samba server, and DNS
  • Monitoring system activities and fine-tuning system parameters and configurations to optimize performance
  • Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment
  • Coordinate with quality and production teams to manage day-to-day operational aspects of multiple projects
  • Able to quickly understand, learn and implement new system design, technologies and functional components of software system in a work environment
  • Experience in monthly patching event for production and non-prod Linux server
  • Develop custom items, features and workflows to satisfy business needs
  • Document requirement to create a functional design specification
  • Provide insight and guidance on self-service strategies and design
  • Red Hat Package Management (RPM) and YUM package installation and maintenance and ensuring security of the systems
  • Address L1/L2 issues and debugging problems
  • Researched the market to gain information on the latest updates available
  • On-call 24/7 for supporting production issues
  • Delivering best service and high quality to all of our customers

Confidential, Washington, DC

Linux/Unix Administrator

  • Experienced in System Administration, installation, Upgrading, Patches, Migration, Configuration, and Troubleshooting
  • Implementation of COTS installation, changes upgrades and applied patches
  • Led Agile Scrum teams including software developers and QA testers for delivery of agile development projects
  • Organized and facilitated daily stand up meeting, spring backlog grooming, spring reviews, and release planning
  • Facilitate weekly project milestone reports with key project stakeholders
  • Configured and maintained virtual server environment with VMWare ESXi on a Dell PowerEdge R410 server
  • Implemented SSL/TLS certificate on apache web servers
  • Active Directory (AD) and Group Policy Objects (GPO) configuration and administration
  • Configure and maintain server traffic via iptables
  • Configure storage, disk management, logical volume management and logical partitioning
  • Created manual test cases based on test plan and requirement documents
  • Use KVM, DSview and IDRAC for remote access of servers
  • Created, admitted and maintained user accounts with stipulated permissions
  • Configured DNS, NFS, and Apache on newly installed machines
  • Operating Systems Automation using bash scrips
  • Troubleshoot connectivity to servers and network system
  • Work with Database administrators to tune kernel for Oracle installations

Confidential, Washington, DC

System Analyst

  • Verify backups have occurred correctly; restored necessary files
  • Remediate security vulnerabilities through managing FileVault encryptions/virus scans
  • Worked and performed data-center operations including racking mounting and cabling
  • Creation and maintenance of user accounts, passwords, profiles, initialization of file permission and customizing shell environment setup for users
  • Support configuration of VPN, CRIS, Office 365 Cloud on Apple devices
  • Installed and upgraded video cards, modems, hard drives, IDE controllers, SCSI drivers, power supplier and memory components
  • Disassemble and reassemble hardware to evaluate specifications or issues
  • Deploy 350+ government-issued iPhones through entire institute
  • Provide remote access support to clients via Bomgar

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