SUMMARY

• Resourceful and result driven Linux Engineer; having worked for three IT industries with great demands and expectation; and have proven to be an innovative and proactive IT professional with excellent customer service problem solving skills.
• More than seven (7) years of proven expertise in maintaining the operational status of UNIX/Linux/Windows based computer systems.
• I've acquired valuable experience in all facets of troubleshooting and system engineering. Effectively create, customize and manage file systems.
• I am a highly motivated systems administrator offering hands on experience in a UNIX/Linux/Windows environment.
• I have experience in configuring, monitoring, upgrading and maintaining system hardware, software and related infrastructure.
• I also have strong analytical skills; able to work with techniques from various engineering disciplines to troubleshoot complex system - level issues.

AREAS OF EXPERTISE

• System/Software Installations
• Ansible
• User/Group Administration
• Role Base Access Control
• File Transfer/Sharing
• File Systems
• Patch management
• System Maintenance
• Ansible
• TCP/IP Networking Configuration
• Troubleshooting
• Volume/Storage Management
• Basic SElinux Management
• LDAP
• Apache (HTTP)
• MariaDB
• End-User Support
• RAID Configuration
• VMware Exsi6
• Veritas
• Nagios
• Teamwork
• Access Control List
• Active Directory
• Solaris Virtualization/zones

PROFESSIONAL EXPERIENCE

Confidential - Reston, Virginia

NOC Engineer

Responsibilities:

• Daily tasks involve working with and supporting the NOC 24X7 team, supporting Confidential ’s production, QA and development environments
• Coordinate smart hands support for hardware failures.
• Monitor alarms, open corresponding tickets, diagnose, resolve, document issues and escalate as needed
• Pulling logs, analysis of systems level applications
• Starting and stopping of jobs
• Configuration of hardware, peripherals, services, settings, directories or storage.
• Configure systems to provide networking

Confidential - Beltsville, Maryland

SYSTEMS ADMINISTRATOR

Responsibilities:

• Server build and deployment (CentOS 6x, 7x; RHEL 6x, 7x Solaris 10), using interactive and advance installation methods (Kickstart).
• Hardening of CentOS, RHEL and Solaris servers.
• Patching in Linux using yum and in Solaris10 using (10-Recommended patches) and upgrades on production servers (live upgrade) using an alternative boot environment (ABE).
• Troubleshoots hardware and connectivity issues affecting productivity.
• Set-up, configuring and troubleshooting TCP/IP; DHCP; DNS; NFS; CIFS; LDAP; KVM; and Samba servers in a multiplatform LAN.
• Install and update software packages from Red Hat Network, configure a remote repository, or from the local file system.
• Monitor and log management on UNIX and Linux, including processes including full and incremental backups using tar, crontab, ufsdump snapshots; migrating and enlarging file systems on Solaris 10 and Linux.
• Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2
• Configure Key-Based authentication for SSH.
• Restore default file contexts
• Configure Physical Volume, Volume Groups and Logical Volumes, using Logical Volume Manager (LVM) commands to create, backup, grow, extend, reduce, resize, and/or mirror new volumes and file systems.
• Installed and configured Veritas Storage Foundation Suite 6.01
• Install and configure a LAN wide NAS (Free NAS) used for creating LUNs and attaching to windows 2008 servers and to Solaris 10 servers using iSCSi.
• Regulate access to system resources by configuring Access Control List (ACL) and SUDO.
• Set-up a domain and active directory windows servers; installing and configuring a Samba server on Linux and Solaris 10 and mapping to Windows servers.
• Configure Apache on Solaris 10 and Linux LAMP server for developers’ web hosting, installing MySQL/MariaDB in Solaris 10 and Linux environments.
• Install and configure Oracle Database Application for the Database team
• Creates and administer User accounts, manages User security, password recovery, aging and complexity.
• Patch Linux Server via Red Hat Satellite.
• Configure SAN using iscsi target and initiator.
• Monitoring of servers with the use of Nagios monitoring tool.
• Experience in Bash Shell Scripting.
• Basic working knowledge of LDAP and active directory by Bind the Member Servers to the LDAP server and Auto-Mount the Home Directory.
• Track and complete assigned tasks via Remedy ticketing system.
• Experience in Virtualization (VMware Esxi 5, 5.5 and Oracle Virtual Box).

Confidential

JUNIOR SYSTEMS ADMINISTRATOR

Responsibilities:

• Serve as the primary first responder to incoming support tickets from staffs and clients, and perform follow up to most issues, inform staffs of need to know information, provide answers to common end-user questions.
• Create, delete, and perform maintenance of user accounts, manage security permissions & groups.
• Perform skills role base access control, file transfer and sharing; competent in file systems, volume and storage management, patch management amongst others.
• Monitored systems resources and schedule backups.
• Responsible for monitoring five Sun servers running Solaris 9 and 10.
• Administer, maintain, develop, collaborate and implement policies and procedures for ensuring the security and integrity of all UNIX and Linux servers.
• Participate in OS installation, updates, patches, and upgrades to production systems.
• Develop, review, approve, implement, and test any changes and/or modifications to configuration files and scripts.
• Configure, optimize, fine-tune, and monitor operating systems software and servers.
• Responsible for isolation, identification, and correction of system software problems in-order to recover full production status and prevent failures and malfunctions.
• Setting permissions, set policy and health check for all servers and resolve performance related issues.
• Makes recommendations to IT management regarding need for hardware and OS upgrades.