• Migrated from Exchange 2010 to Office 365 and maintain all Office 365 configurations.• Moved Heritage devices to Intune/AutoPilot (MDM) and maintain all device configurations and app deployments. Secured all devices under internal Microsoft PKI. Implemented NDES.• Implemented Microsoft’s Always On VPN (Device and User).• Implement/maintain all Heritage networking and security infrastructure.• Performed multiple network upgrades including upgrade to 10G and move to WPA-Enterprise.• Maintain all VMware/EqualLogic infrastructure as well as Windows Server 2019 and Linux VMs.• Maintain all other infrastructure and cloud applications such as Active Directory/DNS, vRanger, PWM, Microsoft PKI, SCCM, WSUS, DHCP, Azure, Azure Storage, O365, and more.• Migrated multiple manual processes like user onboarding to automated scripted processes.• Manage a team to improve infrastructure and architect new technology.

• Maintained infrastructure and cloud applications within Paychex including Splunk, Prometheus, Active Directory, Sun ONE LDAP, OpenLDAP, PWM, BlueCat DNS/BIND, BlueCat IPAM, Microsoft PKI, Vault, SCCM, MDT, WSUS, TrueSight, Ansible/AWX, Puppet, Chocolatey, Foreman, Bitbucket, CA Single Sign-On, CA Risk Auth, Citrix, ADFS, DHCP, F5, Azure, Azure AD, MySQL, MS SQL, Windows Server 2003-2019 and RHEL 5-8. Perform systems automation programming in PowerShell, VBS, Python, and bash. • Executed multiple efforts to either merge IT infrastructure from other companies or to implement new infrastructure for our acquisitions migrating legacy systems to Azure.• Implemented fully automated development environments for Paychex's DevOps initiatives. Led the design and implementation of DevOps’ core infrastructure. Supported infrastructure build-outs with OpenStack, Docker, VMware, OpenShift, Ansible/AWX, Splunk, Vault, Foreman, and Puppet.• Established fully automated processes for our critical infrastructure applications and create constantly monitored dashboards of our critical infrastructure systems/applications using Splunk and Grafana. All applications were developed with a continuous delivery mindset and with proper load balancing and redundancy.• Championed other major projects including SHA1 to SHA256 Microsoft PKI migration, MS DNS to BlueCat DNS/BIND migration, Venafi implementation, Branch Office hardware upgrades, Azure IaaS build, PWM, Directory Integration Framework, and Windows DHCP to DHCPD migration. • Worked hand-in-hand with the management and owning responsibility of the work being assigned.• Agile SCRUM methods are used in all projects and functional work.• Upgraded Active Directory from Windows Server 2008 R2 - 2016 to 2019.

• Deployed software installations, Windows updates, operating system installations, and other policies through Group Policy, PXE, WDS/MDT, WSUS and SCCM.• Maintained Windows 2003-2008 R2 and RHEL 4-5 servers.• Maintained Symantec AV, AD, Microsoft Exchange, SCCM, SCOM, WDS/MDT, Revinetix, and WSUS infrastructure. Scripted in VBS, CMD and PowerShell.• Maintained Southeastern University’s Cisco networking/wireless infrastructure.