Linux Administrator Resume
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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