Successful installation and management of software, hardware, network equipment, and operating systems under both Windows and Linux physical and virtual machines; ensuring projects were completed successfully and on timeHeaded project to remotely upgrade Bare-metal Ubuntu Linux operating systems at our retail stores. Project was completed by our team within a couple of months with only one instance of a hard drive failing while doing the upgrade.Resolved complex technical issues with Windows and Linux servers, network and point of sale equipment, and company laptops and desktops through self-guided troubleshooting skills and research, and if necessary, collaboration with team members, vendors, and supervisors to get issues resolved quickly and efficiently; earning recognition for those skills.Provided technical guidance and mentorship to team members and help desk facilitating their professional development and contributing to a more knowledgeable and cohesive IT team.Developed PowerShell and Bash scripts for automating routine system administration tasks, reducing workload and increasing overall system reliability.Created comprehensive documentation that improved knowledge sharing among team members and facilitated smoother system maintenance and troubleshooting.Assisted in management of Active Directory/Office 365 hybrid environment and conversion of on-prem Active Directory environment to Hybrid Office 365.

* Administration of 380+ physical Ubuntu 20.04 Mate LTS desktop servers at retail locations using bash shell scripts* These servers were used for local DHCP and LTSP thin client services* Administration of 50+ Windows 2019 Terminal servers as well as various Ubuntu and CentOS servers in a VMware vSphere environment* This includes performance monitoring and tuning, software installation, troubleshooting, network configuration, and OS installation and configuration* Microsoft Active directory and Group Policy management* Fixing issues such as DFS, DNS, Active Directory, and Linux and Windows server issues* Providing second tier support for stores and corporate users relating to POS hardware, software, store and corporate network infrastructure* Building and implementing new VMWare CentOS, Ubuntu, and Windows Servers for various applications* Handling on-call phone rotation for network related issues* Testing, research, and development of updates and potential fixes toissues

* Worked as contractor through Rita Technology Services* Corporate support on Windows XP and 2000 systems* Store support of Red Hat Linux based Point-of-Sale Systems and Windows 2K/XP machines* Entering of calls into Track-IT program* Over the phone help with corporate and store hardware and software setup and configuration* Verbal and written (email) interdepartmental communication with peers and managers about issues* Work on projects to improve Red Hat Linux systems at stores. This included various fixes for issues such as printing, tape backups, and scheduling through cron

* Worked as contractor through Rita Technology Services* Building, Setting up, and configuring Linux based Point of Sale servers in new/existing stores* Designed custom install script for the Linux based POS systems which saved technicians about an hour of time in configuring the POS system* Troubleshooting, upgrading, and repairing PC's* Ordering supplies* Documenting installation practices* Fixing various computer issues

* Administration and troubleshooting any issues with our computer systems (servers and workstations) and computer related hardware. Workstation systems include Windows XP (Home and Professional) and Windows 98. Servers are Windows 2000 and Red Hat Linux 9.0* Maintaining network availability including contacting the necessary repair/support personnel to resolve issues* Tech support to end users via email or phone* Communication to President about new technologies, issues, and equipment requests* Report writing using crystal reports* Ordering of new computer equipment* Apache web server administration with PHP scripting used for some administration tasks* Setup, maintenance and administration of Linux based email server and Windows 2000 server* Setup, maintenance and administration of Telecor PBX system* Responsible for recommending, evaluating, and implementing new technologies to improve automation and save money* Maintaining company websites* Training/Mentoring Assistant IT Manager

* Building new computers, upgrading computers, troubleshooting computerproblems, phone tech support, networking, and sales