CESAR E. LEON

MCT, MCSE, MCTS, CNA, CCNA

Cell 407-***-****

adz3hl@r.postjobfree.com

www.linkedin.com/in/cesar-l-6bba457

PROFESSIONAL SUMMARY

Accomplished IT (Information Technology) Professional with 35 years of proven results. Experience includes electronic messaging technology, enterprise-level design, and deployments including Microsoft Active Directory, Exchange, Office 365, and Azure AD using Intune and Autopilot. Excellent communication skills.

WORK HISTORY

GlobalTek Systems LLC · Florida (Public Trust Clearance) Oct 2007 to Present

IT Adviser / Principal Architect -

IT Adviser with direct experience aligning IT roadmaps with the corporate vision to achieve mission-critical goals.

Skilled technology leader proficient in strategic thinking and tactical execution providing guidance with Microsoft Technologies SCCM (Security Center Configuration Manager) Servers, Exchange Servers for On-Premises and Cloud solutions.

Professional understanding of Microsoft Tenants to include GCC & GCC High Tenants, Key Microsoft Architectures, including Microsoft Intune, Azure Key Vault, Microsoft On-premises to Azure cloud environments, Google Cloud, and Amazon Web Services.

Saint Jude Medical · China Mar 22 to Oct 22

Cloud Management & Automation - Non-Government/Private Sector

Implemented Microsoft 2019 Domain Controllers Virtual Machines within Azure China (Vianet21) Tenant for client's infrastructure and domain deployment.

Configure and deployed Microsoft Windows 2018 servers for Azure KMS (Key Management Services) services and proof of concept client license activations also deployed Red Hat Linux servers and installed GitLab servers.

Installed and configured NPS (Network Policy Server) servers and integrated using Azure Multi-Factor Authentication (MFA) utilizing MFA Extensions.

National Institute of Health NIH · Maryland (Public Trust Clearance) Nov 20 to Present

Active Directory Engineer

Joined organization to provide Active Directory Health Checks for all NIH directories services environments using Quest toolset Change Auditor, Recovery Manager for AD, and Active Roles.

Supported business-critical applications and ensured for end-users. This includes Office 365 GCC High Tenant and Windows 2016, 2019, FIM (Forefront Identity Management), and LDAP (Lightweight Directory Access Protocol) services.

Equinix · Dallas Aug 20 to Nov 21

Cloud Management & Automation - Non-Government/Private Sector

Perform Azure Active Directory analysis for domain services to ensure a secure computing platform.

Provide procedures for server consolidations and process documentation for achieving decommissioning of legacy servers.

Identify security issues to protect the server from outside access.

JNJ · China June 20 to Aug 20

Active Directory Migration Architect - Non-Government/Private Sector

Conducted Active Directory security analysis JNJ China for Az address deployment and configuration in Microsoft Azure and identify security vulnerabilities and addressed known issues.

Deployed Microsoft 2019 Domain Controllers Virtual Machines within Tenant for client's infrastructure and domain deployment.

Configured and deployed Microsoft LAPS (Local Admin Password Solution), Azure patch management for domain servers, and configured Azure Key Vault for securing Microsoft Certificates and Keys \ Secrets.

Develop a process for Azure tenant recoverability using Microsoft best practices like Break Glass accounts and their proper usage.

Developed documentation for As-Built documentation for deploying IaaS (Infrastructure as a Service), VPN (Virtual Private Network), Virtual Machines, and Microsoft Load-Balancers for the JNJ Infrastructure in the Azure Tenant.

Ralph Lauren · New Jersey Feb 20 to June 20

Senior O365 Cloud Architect - Non-Government/Private Sector

Configured the Office 365 Tenant to facilitate end-user migration to the cloud-registered domains and assisted with the registration of the DNS (Domain Name System) records/ Firewall validation.

Assist with requirements gathering for MDM (Mobil Device Management) / Intune deployment of AutoPilot configuration for Windows mobile devices and execution for compliance and configuration policies.

Designing a data governance policy and procedures for securing devices using Azure Intune Conditional Access Policies for end-users with access to resources for day-to-day operations.

TTM Technologies · Colorado Mar 19 to Jan 20

Senior O365 Cloud GCC Architect

Configured the Office 365 GCC High Tenant to facilitate the end-user migration to the cloud-registered domains and helped register the DNS records/ Firewall validation.

Performed the Exchange Hybrid Configuration to assist all City Entities to migrate to the cloud.

Assist TTM project management in the completion of a project plan for the next phases of the TTM migration efforts to Office 365 GCC High Tenant.

HealthFirst · Lake Mary FL Mar 19 to July 19

Active Directory Migration Architect - Non-Government/Private Sector

Performed Active Directory security analysis HealthFirst directory services to identify security vulnerabilities and address known issues.

Worked closely with the Heath First Team to create Cloud Governance documentation for Office 365 workloads Microsoft Teams and OneDrive for Business.

Review and configured Intune Compliance and Configuration Policies to enforce governance rules for mobile device management including Windows AutoPilot

Abbott Laboratories · Illinois Aug 18 to Mar 19

Active Directory Migration Architect - Non-Government/Private Sector

Performed Active Directory Health Checks for all Abbott directories environments to identify security issues.

Provided remediation for Business-critical applications and ensured they were ready to be migrated to a new Active Directory Forest. This included Windows 2003, 2008 R2, and Windows 2012 R2, FIM, and LDAP services.

Troubleshoot applications that leverage Active Directory Federation Services / SSO software and security applications with Kerberos / Certificate authentication.

Ralph Lauren · New Jersey Mar 18 to Jan 19

Senior O365 Cloud Architect - Non-Government/Private Sector

Configured the Office 365 Tenant to facilitate end-user migration to the cloud registered domains and assisted with registration of the DNS records/ Firewall validation.

Provide guidance for Hybrid Configuration and migration approach for Ralph Lauren migration to the cloud.

Designing a data governance policy and procedures for securing devices and providing end-users with access to resources for daily operations.

Configure and Deploy Azure Application Proxy for Kerberos Authentication and Conditional Access Policies to enforce Multi-Factor Authentication (MFA)

PWC Public Sector · Tampa, FL Mar 18 to Jul 18

Senior O365 MDM Intune Engineer - Non-Government/Private Sector

Deploy and Design Intune Windows 10 company security policies for enterprise management and create solutions to assist with the management of company security policies.

Requirements gathering, data analysis, MDM / Intune data modeling with existing infrastructure, and deploying a conceptual, logical, physical end-state.

Designing a data governance policy and procedures for securing devices and providing end-users with access to resources for day-to-day operations.

City Of Maitland · Orlando, FL (Public Trust Clearance) Mar 17 to Apr 18

Office 365 GCC (Government Cloud Community) Cloud Architect

Configured the Office 365 GCC Tenant to facilitate the end-user migration to the cloud-registered domains and helped register the DNS records/ Firewall validation.

Performed the Exchange Hybrid Configuration to assist all City Entities to migrate to the cloud.

Install and configure Azure AD Connect (DirSync) and Office 365 for an end-to-end user migration to the cloud.

Tangoe (QTR SYS) · Parsippany NJ Mar 17 to Mar 18

Senior O365 Cloud Migration Engineer

Assist in developing the migration approach for 2800 users from Exchange 2003 / 2010 to Office 365 utilizing Hybrid / ADFS (AD Federated Services) infrastructure / MFA and Conditional Access Policies.

Coordinated the planning efforts and rollout for the following Microsoft technologies Office Communicator 2007 R2 migration to Microsoft Lync 2013, Microsoft Teams, Microsoft Intune, and Skype for Business Online.

Deployed infrastructure message hygiene utilizing Microsoft EOP (Exchange Online Protection), Microsoft RMS (Rights Management Services), and IRM. Also, I used Microsoft Power BI (Business Intelligence) for exporting configurations for Office 365.

Department of Veterans Affairs · Virginia (Public Trust Clearance) Apr 17 to Apr 18

Cloud Management & Automation GCC

Developed migration documentation for the Department of Veterans Affairs to migrate into Office 365 GCC tenant for OneDrive also tested eDiscovery processes using Azure Rights Management Services - Office 365 OME to test encryption using transport rules.

Setup and created training materials for Content Search / eDiscovery using Office 365 Security & Compliance Center.

CSC (Zurich NA) · Schaumburg IL Non-Government/Private Sector April 17 to June 17

Quest SME (Subject Matter Expert) Migration Engineer - Non-Government/Private Sector

Participate in and contribute to architectural decisions and changes related to the Exchange 2007 messaging systems.

I aided and recommended the migration approach and provided training with issue resolution activities for each migration using Lotus Notes Migrator 4.1.1 / QMM 8.14.

BBA Aviation · Orlando Non-Government/Private Sector Aug 16 to Mar 17

Quest Cloud Migration Architect - Non-Government/Private Sector

Assist in developing the migration approach for 2500 users from Exchange 2013 to an existing Exchange 2013 On-Premises then migrate to Office 365 tenant of 15000 users cloud environment using Quest Migration Manager 8.13 for both Active Directory / Exchange versions.

Utilizing the Quest migration toolset to synchronize source objects to existing On-Premises environment than using AAD (Azure Active Directory) Connect / Hybrid solutions to sync objects to the cloud.

Troubleshoot issues surrounding mail route ability / DirSync / AAD Connect for the migration and configured all core components using DMA (Data Migration Assistant) / DSA / MME by Quest.

University of Miami · Miami Non-Government/Private Sector May 16 to Aug 16

Senior O365 Cloud Migration Engineer - Non-Government/Private Sector

Configured the Office 365 Tenant to facilitate the end-user migration to the cloud-registered domains and assisted with the registration of the DNS records/ Firewall validation.

Install and configure Azure AD Connect (DirSync) and Office 365 for an end-to-end user migration to the cloud.

Florida State University · Tallahassee Non-Government/Private Sector May 16 to Jun 16

Senior O365 Cloud Migration Engineer - Non-Government/Private Sector

Configured the Office 365 Tenant to facilitate the end-user migration to the cloud-registered domains and assisted with the registration of the DNS records/ Firewall validation.

Install and configure Azure AD Connect (DirSync) and Office 365 for an end-to-end user migration to the cloud.

District 9th Courthouse · Orlando Non-Government/Private Sector May 16 to Jun 16

Senior O365 Cloud Migration Engineer

Configured the Office 365 Tenant to facilitate the end-user migration to the cloud-registered domains and assisted with the registration of the DNS records/ Firewall validation.

Install and configure Azure AD Connect (DirSync) and Office 365 synchronization of 17,000 user objects for an end-to-end user migration to the cloud.

Installed and configured the PriaSoft migration toolset to facilitate user migration and public Folder migration from Exchange 2007 to the cloud.

Disney · Orlando Non-Government/Private Sector Mar 15 to Jul 16

Senior O365 Cloud Migration Engineer - Non-Government/Private Sector

I am working as an Office 365 engineer to move 130,000 users to a new Office 365 Hybrid configuration utilizing Microsoft ADFS 2.1 / Forefront Identity Management and PowerShell scripts for migrating accounts.

Assigned to the Enterprise messaging team to provide third-level resolution for post-migration and co-existence resolution for the Hybrid configuration and multiple Active Directory domains.

Testing / Building the new rollout Exchange 2013, ADFS 3, SSO, and MFA with conditional access policies for devices being leveraged for the Disney environment.

Abbott Laboratories · Illinois Non-Government/Private Sector Dec 12 to Mar 15

Active Directory Migration Architect - Non-Government/Private Sector

Assisted with the migration planning / build to support 90,000 user migrations to one unified platform leveraging Active Directory Migration tool 3.2

Build and Test ADMT (ad migration tool) infrastructure and create test cases for the proper migration of the Abbott users / SQL Clustered Servers into the AbbVie domain environment.

Discuss the migration approach with the Business owners as well as provide a migration approach for mission-critical applications.

Provided remediation for Business-critical applications and ensured they were ready to be migrated to a new Active Directory Forest. This included Windows 2003, 2008 R2, and Windows 2012 R2, FIM, and LDAP services.

EDUCATION

Associate of Arts

Excelsior College – Albany, New York.

ACHIEVEMENTS / CERTIFICATIONS

Microsoft Certified: Cybersecurity Architect Expert

Microsoft Certified: Security Operations Analyst Associate

Microsoft Certified Professional (Windows NT 4.0, Windows 2000, Windows 2003)

Microsoft Certified Systems Administrator- Windows Server 2000/2003 (Messaging)

Microsoft Certified IT Professional (Exchange 2007)

Microsoft Certified Technology Specialist (Exchange 2007)

Microsoft Certified Systems Engineer (NT 4.0, Windows 2003)

Cisco Certified Network Associate CCNA (Cisco Certified Network Associate)

Citrix CCA

MILITARY

United States Navy, 1985 – 1989

Aircraft Maintenance Technician

Expired Security Clearance (Secret)

Honorable Discharge

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