SUMMARY

• Proficient analytical skills, excellent communication, and interpersonal skills; proven ability to work within a team, independent, or in collaboration with various IT professionals, as well as disciplines to troubleshoot and resolve simple and complex system - level discrepancies.
• Competent systems administrator with at least 5 years of System Administration, IT infrastructure operations, and management.
• Experience in hardware and software installation, knowledge of IT security infrastructure and tools, and experience in patch management.
• Installing, compiling and configuring applications and related infrastructure over diverse platforms (RedHat, CentOS, Ubuntu, Kali, etc.).
• Experience and working knowledge of various tools/software within my working environment.
• Ability to quickly grasp the concept of new applications, software and technology, which allows me to excel in a fast pace administrator role.
• Eligible to obtain a public trust clearance and/or security clearance, if required.

TECHNICAL SKILLS

• RedHat
• Centos
• Windows systems administration
• VMware ESXi/vSphere
• AWS and Oracle VirtualBox
• Remedy
• Jira 
• MySQL
• Puppet
• Splunk and similar tools
• Linux OS operations
• CentOS 6 and 7
• Ubuntu OS
• Operating systems installations

PROFESSIONAL EXPERIENCE

Confidential, Alexandria, VA

Linux System Administrator

Responsibilities:

• Administer user accounts to various clients, configuring sudo access, password measures, remote access and creation of the user accounts.
• In some cases, create group polices and working knowledge of the domain name server.
• My daily routine comprises of providing tier I and II support whenever needed for an enterprise environment (5000+ servers, including virtual machines).
• Implement scripts to automate routine and schedule task, especially help with vaults of backup media in case for disaster recovery.
• Working knowledge of versions of Agile to monitor performance and using multiple Linux tools like Uptime, top monitoring solutions to assist with system checks and monitoring.
• Earlier in the contract, I participated in an upgrade project from older Linux distributions to newer versions of Confidential and CentOS.
• Team up with the Network team to analyze the project and build the infrastructure to the project specifications.
• Knowledge of various Cisco devices to create VLAN to manage the environment.
• Participate with the installation of Sun Solaris, and Confidential machines.
• Worked in a team that configured Confidential machines in a virtual environment.
• My core job duties were not limited to just the installing and configuring of the systems, as I have experience with managing Logical Volumes, Disk Partitions, File Systems, and application install after System configurations.
• On a day to day, troubleshooting network connections whenever issues arise, user logins, editing group policies while maintaining it on a 24/7 environment without interrupting daily production and handling on call technical support for clients.
• Managed NetApp File servers with Data ONTAP operating system to support NFS protocol for government clients.
• Daily customer relations with handling support tickets with Jira.
• Keeping and maintaining SLAs with clients in regards to assistance, support, and service while staying above industry standard.
• Utilizing multiple support tools to ensure that every client/customer issue is resolved in a timely manner.

Software Analyst

Confidential

Responsibilities:

• Work with product testing, Quality Assurance, creating/testing bug fix and new feature request cases to stay in track with the product Roadmap.
• Work directly with the Developers to ensure that the software is working efficiently.
• Assist with product design and new feature additions to the software.
• Reading and editing bash scripts.
• Familiar with various tools such as Nmap, Telnet, Ping, and Netstat to scan targets and help verify the working of the software.
• Experience with studying vulnerabilities within a network, and have maintained a working knowledge of Pen-Testing with different products.
• Running exploits for internal and external networks while using various tools to test vulnerabilities.
• Participate in the overall installation of VMware on multiple systems, both client and server settings.
• Carry out and assist with installing various operating systems ( Confidential 6, 7, CentOS, and Ubuntu Linux) on virtual and physical machines, which also include deployments of servers.
• Establishing and creating of file systems, manage large numbers of user accounts, create and manage logical volumes when need be, and keeping track of volume performance and logs.
• In some cases, modify and applied scripts in different environment to automate several processes and daily activities to increase productivity, response time, and to maintain a high percentage in service level agreements.
• Participate in regular and scheduled administrative tasks which comprised server tuning and maintenance across multiple platforms, provided junior to mid-level support on Linux/windows systems and perform vendor-specific maintenance on all systems whenever prompted.

Ticket Resolution and End Client Support

Confidential

Responsibilities:

• Daily customer relations with handling service tickets and change request with Jira and Remedy.
• At time of arrival, create documentation and reports on issues resolve or escalated.
• Handle majority of issues revolving around user account access, password configuration, user account creations and remote access clients.
• Working knowledge of Network File Sharing, Network configuration during server installation, and various network troubleshooting tools/commands are part of my daily duties.

Troubleshooting and Application Support

Confidential

Responsibilities:

• Monitor logs, messages, using Nagios and Uptime in addition to monitoring live servers to maintain systems processed and operations.
• Write basic shell scripts and implement scripts to help with keeping track of monitoring reports.
• Escalate reports/tickets whenever needed to upper level support (Developers).
• Assist as well as occasionally spear-headed with application support, troubleshooting network issues, physical machines including workstations.
• As part of the Administrator team, configuring, compiling, installing, patching, of applications, and machines on both physical and virtual environment is one of my major job duties.
• Whenever need to, install and configure PostFix, and supporting SendMail.
• In some cases, I have participated in data migration, testing prior to system upgrades, and working cohesively with DBAs and Network teams within the overall infrastructure of the environment.
• My knowledge with MySQL is within a team and working closely with DBAs.