Mark Wessler Email & Phone Number

California, United States

Cleveland, Oh, Us

Design, build, configure, upgrade, optimize, and troubleshoot VMware vSphere clusters up to and including 8.0. This includes the company’s internal private cloud, which hosts both internal and client systems, as well as client on-prem or hosted environments with varying network configurations and hardware.Design, build, configure, and manage 100 user VMware Horizon virtual desktop infrastructure, including regular image updates, on full clones.Manage small internal Hyper-V cluster as needed.PowerShell / PowerCLI scripting to automate routine tasks, generate reports, and ensure consistent results.Microsoft system administration, including but not limited to Active Directory, Group Policy, DNS, and DHCP.Perform FRS to DFRS migration within Active Directory domain to facilitate domain controller replacement and upgrade. Perform migration of small single-host ESXI environment to Proxmox.Developed Python based Active Directory reporting script, providing the following data within CSV and Excel documents, within separate tabs or files depending on file type: User and computer accounts, including group membership, as well as recent account lockouts.Participant in Azure Virtual Desktop, AVD, migration from VMware Horizon VDI environment. Configureand deploy host pools, golden image, and security groups.Setup, configuration, and management of custom Microsoft Entra ID synchronization

Hardware: Dell R630, R610, Synology / QNAP NAS, Ubiquiti networking, Protectli VaultSoftware: VMware ESXI, Proxmox, Ubuntu / Debian Linux, Docker / LXC Containers, Home Assistant (in progress), Backblaze, OPNSense (PFSense)Built several Python projects for personal automation utilizing various public libraries, including Playwright, Selenium, AsyncIO, PyMongo, and OpenPyXL. Some run on a Debian virtual machine within my lab to facilitate automation.Bill tracker: Automated bill tracking tool updating a Google Sheets document with due dates, amounts, and balances. Plans to implement notifications and integrate into a Smart Mirror display. This project is still in progress.SMS cleanup: Configurable text message cleanup utility for scheduled deletion of unnecessary conversations, such as MFA codes or appointment reminders.Dice synchronization: Integrates Bluetooth dice rolls with a tabletop gaming character tracking website, dynamically updating appropriate statistics. Logs roll history to MongoDB Atlas. Plans to create a personal website to track things such as roll averages.

Upgrade VMware vSphere environments from 6.5 up to 7.0, latest available release.Upgrade Veeam backup servers from 11 to 12.Initial setup and configuration of Microsoft Certificate Authority servers.

Participate in multi-team projects, including Active Directory upgrade, implementation of Microsoft DFS, Cisco UCS upgrade, and various operating system upgrade migrations.Design, administrator, configure, upgrade, and troubleshoot VMware vSphere cluster.Optimize virtual machines, ensuring correct hardware configurations for needed workloads, including reducing assigned hardware resources across the cluster to reduce CPU Ready values, increasing performance across the entire infrastructure.Maintained Microsoft servers and workstations utilizing Windows Server Update Services.Implement fixes and patches as part of quarterly vulnerability scans, including server OS base image templates.Administered on-prem Microsoft Exchange 2010 and 2016, including migration to and management of Office 365 and configuration of Azure MFA for Exchange.Manage Dell XIO, Unity, Hitachi, and Pure storage arrays.Manage Microsoft Azure user and MFA configuration.Manage data backups, restorations, and testing, utilizing EMC Avamar and Veeam.Implementation and execution of Zerto disaster recovery solution, including yearly DR tests.Automate, generate reports, and simplify processes utilizing PowerShell, including virtual server deployment, active user reports, and various requested one-off reports. Beginner-level proficiency in CentOS Linux, including rebuilding Graylog logging servers from the ground up.Participate in change and project management and procedures, as well as ensure HIPAA and SOC compliance.

Systems administration for various businesses ranging in size between 5 and 150 users. Virtual server administration, configuration, and troubleshooting, utilizing primarily VMware ESXi.New VMware ESXi/VCenter deployment utilizing multiple hosts and SAN hardware.Configuration of VSphere DRS.Convert physical environments to virtual utilizing VMware Converter Standalone.Updating VMware ESXi hosts, VCenter servers, and Microsoft operating systems.Sophos UTM configuration and troubleshooting, including AD integration, Antispam, Content filtering, and VPN.On-prem and cloud based backup administration and configuration, including VEEAM, Accelerite, and Datto.Microsoft Office 365 administration and configuration, including AD integration.Microsoft Exchange administration, Exchange 07-2016.Active Directory administration, including advanced permissions and group policy management.Researched and wrote basic PowerShell scripts.Mimecast Anti-Spam deployment and configuration, including AD integration.Systems monitoring, configuration, and troubleshooting utilizing Solarwinds MSP N-Central.VOIP phone system basic configuration and troubleshooting in a ShoreTel environment.Windows desktop configuration and troubleshooting, including OS installs, standard and custom user software. Troubleshooting various user reported issues, ranging from missing icons to system wide outages.Ticket tracking and documentation utilizing AutoTask Basic MAC/Linux troubleshooting and configuration.

Server migration for a government institution in order to upgrade out of date hardware and software. New Exchange configuration by utilizing Server 2008 and Microsoft Exchange 2010.Microsoft Active Directory, Server 2000-2012 administration and configuration.Microsoft Exchange 2010-2013 administration and configuration. iSCSI SAN configuration utilizing multiple switches and ESXI hosts for redundant access in case of failure.VMware ESXI host configuration on basic servers.Virtual server administration and configuration utilizing VMware VSphere Client.Prepare and test HP servers and blades for customer use.HP Blade enclosure administration.SonicWall basic configuration, including AntiSpam and firewalls. Set up and configure Outlook email, including Microsoft Exchange accounts. Prepare new systems to be deployed in Active Directory environments of various sizes.Support of Microsoft desktop operating systems up to and including Windows 8.Support of Microsoft Office up to and including Office 2013.Basic wired and wireless networking.Desktop and server support, both remote and desk side.Perform desktop imaging utilizing Norton Ghost and other various imaging solutions.Configure and maintain daily backups utilizing BackupExec and online cloud. Perform virus / spyware removal utilizing various utilities.Hardware and software troubleshooting.

Perform virus / spyware removal utilizing various utilities.Hardware and software troubleshooting.Support of Microsoft desktop operating systems up to and including Windows 8. Support of Microsoft Office up to and including Office 2013.Set up and configure Outlook email.Smartphone configuration.Mac OSX.Setup and configure client networks, wired and wireless.Perform desktop imaging utilizing Ghost and other various imaging solutions.Building PC's to customer specifications.

Perform Department of Defense standard drive wipe on all received PC’s and HDD’s per HIPPA standards. Troubleshoot and repair any malfunctioning machines.Audit and prepare shipments of PC’s and monitors to be sent back to leasing companies at their end of life cycle.Audit, sort, and record electronic scrap and sellable items.

Cleveland, Ohio, Us

Performed grinding on rough steel forgings after audits to get them into specifications. Prepare and load shipments into trucks for delivery with forklift.Complete shipping transactions in database and forward to appropriate personnel.

Perform virus / spyware removal, and hardware and software troubleshooting on customer PC’s, including over the phone support.Build systems according to customer specifications.Customer sales and service, including helping customers decide on the PC to buy, basic wired and wireless networking, and technical support.