• Deployed Two-Tier Public Key Infrastructure (PKI) with offline root certification authority and online enterprise subordinate certification authorities. • Utilized an open source PowerShell API module for the Human Resources Information System(HRIS) to sync changes to Active Directory.• Automated onboarding/offboarding process to ensure consistency of user account creation and timely removal of access to systems and Active Directory when an employee departs. • Setup secure messaging flow and free/busy calendar sharing between Microsoft Exchange organizations during acquisition of another company.• Helped configure forest wide bi-directional trust allowing cross forest authentication.• Migrated user accounts between domains utilizing Microsoft’s Active Directory Migration Tool(ADMT) to allow access to resources.• Configured password synchronization process during coexistence period. • Scripted domain migration process for workstations and VDI systems including removal and re-registration with Citrix delivery groups. • Decommissioned Microsoft Exchange Public Folders after migrating data to shared mailboxes and calendars. • Completed cross forest migration of Microsoft Exchange mailboxes, consolidated mail flow and retired legacy servers. • Implemented Azure AD Password Protection to significantly increase security by blocking use of weak and easily guessed passwords.• Deployed Microsoft Local Administrator Password Solution(LAPS) allowing unique local administrator passwords on workstations reducing the risk of lateral movement.• Replaced RSA product with more cost effective Azure Multifactor Authentication (Azure MFA) solution.• Implemented Network Policy Servers to utilize Azure MFA NPS Extension to secure VPN connections. • Secured Outlook Web Access(OWA) with Azure MFA.• Merged Office 365 tenants to consolidate licensing.• Led project to replace Barracuda Spam appliance with Proofpoint.

• Maintain high availability for on premise multi-site Exchange 2013 environment.• Designed and implemented highly available site redundant Active Directory Federation Services (ADFS) infrastructure.• Setup Azure AD Connect to synchronize on premise Active Directory with Azure Active Directory.• Configured conditional based access for on premise Exchange 2013 utilizing Microsoft Intune Mobile Device Management (MDM) and delegated administration to identity and access management team.• Assisted with transition to and support of new email security gateway appliances. • Responsible for consolidation / mail flow cutover from remote offices to primary messaging infrastructure.• Analyzed performance and growth trends and expanded environment to support increasing demands. • Provided PowerShell scripting support for custom automation. • Message tracking, reporting and mail flow troubleshooting.

• Management of Microsoft Exchange 2007, 2010, 2013 and Office 365 Environment• Monitor and maintain Exchange environment and take preventative measures to ensure problems do not develop into outages.• Bi-directional Forced TLS setup and validation. • Message tracking and reporting. • Manage Exchange databases sizes and resource usage• Patch Exchange Servers

• Supported 5000+ servers and over 30 Active Directory domains in datacenters across the globe.• Setup daily health checking and reporting for Exchange environment. • Identified recurring complex Exchange tasks and scripted the processes reducing time for task completion from multiple hours to minutes. • Acted as Windows server operations team lead.• Point of escalation for team when management was unavailable.• Assisted with interview and selection of additional team members.• Focused on cross-training of the team and continuing documentation of environment.• Worked closely with IT management on internal goals and initiatives.• Responded to outages and acted quickly to restore services and provide timely updates to the Major Incident Lead.• Scripted discovery of servers and automated as a weekly report.• Facilitated internal entry-level PowerShell and Microsoft provided Advanced PowerShell training.

• Managed multiple backup environments consisting of Backup Exec, CommVault, and Tivoli Storage Manager.• Deployed Data Domain deduplication devices in multiple datacenters and later expanded, all without incident or disruption.• Monitored and maintained offsite replication of critical database backups.• Allocated and configured resources for storage area network (SAN) environments, and network attached storage (NAS).• Implemented Veeam backup and offsite replication in certain previously unprotected environments.• Led effort for identification and destruction of legacy backup tapes, reducing liability and expense of storing unneeded data.• Automated process for tape rotation notifications to be generated and processed by Data Center remote hands to allow tape rotation to continue with minimal intervention required. • Analyzed both hardware and software products for evaluation and proof of concept.

• Performed an Inter Forest Exchange 2003 to 2007 Migration for 100+ users, involving setting up trust between domains, migrating users with passwords using ADMT, transferring mailboxes and redirecting clients. • Configured RPC over HTTP or Outlook Anywhere for Exchange on multiple servers. • Worked in a team environment to develop technical solutions for the needs of clients. • Installed new domains and networks for small businesses. • Supported and diagnosed issues with multiple networks on a daily basis. • Responded to server down calls at customer locations. • Virtualized servers for consolidation, production, and testing utilizing VMware Server. • Troubleshot network connectivity issues. • Recommended and Installed Backup solutions for clients • Setup and configured remote monitoring and maintenance systems on client’s networks.

• Solely responsible for the project of implementing from beginning to full completion a Professional Service Automation (PSA) Server used to track and invoice all customer service requests and recurring contracts. The project was implemented on time and successfully. Was later charged with the integration with a new accounting system to the PSA application with a strict deadline. This project was also completed on time and successfully.• Supported dozens of clients in various industries such as Manufacturing, Health Care, Financial Services and Retail.• Managed internally hosted web sites and internally hosted email with Exchange 2003.• Supported and diagnosed issues with multiple networks on a daily basis.• Responded to server down calls at customer locations.• Setup and maintained Remote Network monitoring for customer locations.• Designed and built high end workstations for specific applications, such as: Nonlinear real-time video editing and video forensics.• Performed Helpdesk functions.