SUMMARY:

• An experienced Sr. System Administrator and Certified AWS Solutions Architect (Associate) with over
• 12 years of experience in IT and over 7 years working with Linux/Unix servers and about 4 years with AWS technologies. A very creative, multi tasking and team oriented individual with strong interpersonal skills.

TECHNICAL SKILLS:

OS Platforms: Linux (RedHat, SuSe, CentOS, Ubuntu), Solaris, Windows 2008, and 2012 Server

Office Suite: Microsoft Word, Excel, PowerPoint, and SharePoint

Tools: Active Directory, Oracle Weblogic, Solarwinds, Splunk, Splunk ITSI, Tanium, AppDynamics, VMWare (vSphere/vCenter/vRealize/ESXi Hosts), Netscout (UMC and nGenius), Up.Time, Ticketing System (BMC Remedy, Remedy Smart IT, Service Desk, and ServiceNOW), eHealth, Opsware, Spectrum, Wireshark, and Netcool.

AWS Services: EC2, S3, Snaps, Elastic Beanstalk, VPC, SGs, Cloudwatch, Code Pipeline, Code Commit etc.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Systems Admin/NOC Analyst

Responsibilities:

• Performs server admin functions on both RHEL and Windows Servers
• Implements OS/vulnerability management patching on Linux and Windows servers for all environments in both on - prem and AWS GovCloud Servers
• Implements several application deployments for multiple application teams using Oracle Weblogic, AWS Elastic Beanstalk, AWS CodePipeline, and Code Commit
• Migrates multiple applications and databases from RHEL 5 and 6 to RHEL 7
• Set-up multiple RHEL 7 servers in On-prem using vmWARE and Cloud Formation in AWS GOVcloud
• Performs access management using Microsoft AD to manage policies, user objects, group objects and OU
• Performs user accounts management (add, delete, enable/disable etc) and troubleshoots access issues
• Performs server/apps monitoring across all ENVs to ensure all deployed servers/apps are working BAU
• Performs troubleshooting to resolve/escalate server related issues
• Performs day-to-day server resources management like file systems, memory, SWAP, CPU utilization etc.
• Performs server decommissioning and deprovision users based on requests
• Organize and facilitate bridge calls based on need for troubleshooting mission critical server/application for both on-prem and cloud infrastructures
• Uses Splunk and other available tools from time to time to troubleshoot server related issue as they arise
• Working noledge of application deployment, security policies and vulnerabilities management

Confidential, Omaha, NE

System Engineer

Responsibilities:

• Performs admin functions on Linux (RHEL, SuSe and CentOS), Solaris, AIX, and our VMware infrastructures
• Troubleshoots server related issues with incident management on production impacting issues
• Performs server health checks during incident calls on VMs, AIX, Solaris, Linux servers
• Uses Netcool monitoring tool to monitor alerts for server related issues and proactively fix the issues, most of which are high CPU, Memory, and SWAP usage, ESXi crash, Hung/CrashedVMs, Server not Pingable, Filesystems clean-up, disk errors etc.
• Troubleshoots server issues like file systems, NFS, memory, network, and other server resources
• Manages clusters of VMs hosted on our VMware infrastructures
• Responds to VMware ESXi hosts crash/failure for failover purposes making sure all hosts are successfully failed over/v-motioned and applications are up and running as designed
• Restarts crashed/hung VM from a cluster of servers using the VCenter
• Uses the VROPs to verify/monitor resource usage based on alerts
• Troubleshoots server issues, application & DB server issues, latency, network time outs etc.
• Performs server logs check during troubleshooting to ensure the server is working accurately as designed
• Updates service desk tickets based on prod issues and also resolved tickets transferred to my bucket
• Performs tcpdump/iptrace during troubleshooting to capture data packets for a deeper-dive investigation
• Uses Netscout to pull sniffer captures (data packets) based on server name, ip address, or port number
• Investigates server actives by collecting logs using Splunk thin client
• Investigates server resources by generating comprehensive report using Uptime, eHealth, Spectrum and OS utilities

Confidential

UNIX Systems Administrator

Responsibilities:

• Installation, configuration and maintenance of RedHat Linux servers
• Performed server installation on both physical and virtual servers
• System configuration/hardening by turning off unnecessary services
• Disk configuration, created and managed File Systems
• Created and managed user accounts, groups, access levels, permission, and SUDO
• Monitoring server performance of virtual memory, swap space, disk utilization and CPU utilization
• Checked server logs, trace files and file System, and back-end applications

Confidential

System Administrator

Responsibilities:

• Installation, configuration and maintenance of servers and supported applications
• Performed regular backups which includes both full and incremental
• Set up local Area network (LAN), Network Printers and Scanners
• Troubleshoot internet connectivity in LAN and Wireless Networks
• Created shared drives and folders and personal drives for users

Confidential

Creative Design Manager

Responsibilities:

• Responsible for entire services required in the department of graphic/web design as well as prints, especially designs for corporate branding, adverts, publishing, packaging, souvenirs and overseeing what goes to the web for uploading and also what goes to the press for publishing
• Personally designed several websites and managed over 50 websites
• Managed webhost for both Windows and Linux Platform for several website subscriptions
• Maintained customer relationships with new/old customers to provide solution to their needs
• Coordinated office schedule for all staff, designed presentation for meetings, products, sales etc, and maintain official monthly budget using MS-Excel as its Spreadsheet
• Keeping sales records using MS-Excel and using its analyzed values to set new projection for sales/marketing
• Coordinates web and graphic design jobs with other junior staffs
• In charge of information architecting, workflow, client services for sales and management and also relating with webhost companies as well as internet service providers