Microsoft Exchange Architect

Microsoft Exchange Architect with over ** years of IT experience in large scale implementations

Overall IT Network and Systems IT experience spans 24+ years

Experience with migrating large numbers of users from different versions of Microsoft Exchange Server (2003\2007\2010\2013\2016\Exchange Online\Office 365).

Experience planning and implementing on premises, cloud and hybrid implementations.

Architected Microsoft Exchange High Availability and Disaster Recovery on Mailboxes and CAS Arrays.

Implementation of Email Relay\Spam Filtering\Virus Protection using Cisco IronPort and Barracuda Firewalls.

Experience using MS ADMT\FIM for Cross Forest Migration.

Experience implementing hybrid scenarios with Office 365 for cloud messaging solutions with Exchange on premise

Implemented and supported Lync 2010/2013 and Skype for Business deployments for enterprise.

Experience with Single Sign On, Microsoft Azure (Azure AD Connect) services, and cloud computing services.

Adept at providing high availability and resiliency to Exchange Server through clustering, load balancing and DAG configurations

Adept with providing messaging high availability for Lync and Skype for Business through pools, pool paring, and clustering/mirroring services

Experience administrating enterprise Mobile Device Management (MDM) environments.

Administrated all aspects of Active Directory (AD) and managed the AD users and computers by creating Group Policy Objects (GPO) and Preferences in Exchange environments.

Virtualization using Hyper-V and VMware, experienced using Citrix XenServer for Exchange environments.

Managed Citrix ShareFile for secure file transfer via HTTPS.

Managed and configured Enterprise Cisco/Netgear/HP routers and switches.

Managed and configured wireless networking utilizing Cisco Wireless LAN Controllers.

Experienced with imaging using Symantec Ghost, Microsoft Systems Management Server (SMS)/ Systems Center Configuration Manager (ConfigMgr) 2007,2012/Microsoft Deployment Tools (MDT).

Utilizing SCCM 2007/2012 created packages, wrote scripts, wrote custom SQL reports, custom MSI transforms to deploy software.

Lead programmer/scripter for automating system administrative tasks.

Lead technical writer for standard operating procedures and technical documentation.

Lead technical designer for equipment enterprise hardware lifecycles and workflows.

PROFESSIONAL EXPERIENCE

Metropolitan Atlanta Rapid Transit Authority (MARTA), Atlanta, GA

Lead Exchange Engineer June 2017 – Present

Microsoft Exchange Server 2013 Administrator responsible to create new accounts for new hires, distribution groups, and contact users.

Updated Exchange Server to CU23 to solve security issues related with Exchange vulnerability detected in 2021, with “zero day” patch applied into the hybrid environment.

Decommissioned DAG to keep only mailboxes on cloud.

Proposal to create a new Exchange hybrid environment from Exchange 2013 to Exchange 2019.

Provided daily administration of Windows Server 2008 and proposal to change Windows Server 2008 to Windows Server 2019.

Migrated large numbers of users from different versions of Microsoft Exchange Server (2003\2007\2010\2013\2016\Exchange Online\Office 365).

Provided daily administration of Windows Server 2016, active directory, and domain controllers.

Provided daily administration of Windows Server 2019, active directory, and domain controllers.

Served as Exchange Online Administrator. Provided daily administration and worked closely with security team to keep a clean environment from spam and phishing emails.

Responsible to create distribution groups, shared mailboxes, O365 groups.

Supported post migration effort of Exchange to Exchange Online with Microsoft 365. Assigned to implement Teams, manage messaging, and implement cloud security.

Planned and designed the requirements for the MS 365 Migration through the waterfall model so that stakeholders and deployment teams were more in sync toward task completion.

Prepared Mailboxes for cross-forest migration from Exchange 2013 to Exchange Server 2016 with PowerShell with Database Availability Group (DAGs) defining the boundary for replication and Active Directory Domain Services (AD DS) forming the foundation for enterprise networks that run on Windows Server 2012 and 2016.

Configured password hash synchronization via Azure AD Connect in sync with Windows Server 2016 Domain Controller from on-premises for the management of hybrid identities with Azure Active Directory (Azure AD) to gradually migrate users and email to Microsoft 365 or Office 365.

Provisioned Privileged Identity Management (PIM) with Tasks, Manage, and Activity options made available to manage and minimize the number of people who have access to secure information or resources in Azure Active Directory (Azure AD), Azure, and other Microsoft Online Services such as Microsoft 365 or Microsoft Intune.

Microsoft Azure: Used Azure AD Connect for directory synchronization and federation with ADFS, and tested Azure expansion with Azure virtual machines and tested Azure authentication protocols with Azure AD.

Integrated Azure Threat Protection with Azure Advanced Protection and Windows Defender for expansive threat detection and mitigation.

Installed a Passive Azure AD Connect Server to provide High Availability.

Microsoft O365 Admin: Enabled Skype-for-Business feature for Office 365 migrated users, resolved tenancy technical issues and monitored Office 365 systems, and automated and executed Office 365 procedures using Windows.

Microsoft OneDrive: Led project to migrate personal data from File Servers to company’s OneDrive for Business, established data classification, prepared batch of users for migration, and archived files from former employees.

Microsoft TEAMS: Deployed and managed Teams: chat, apps, channels, meetings, audio conferences, live events, and calls.

Microsoft Intune, Active Directory: Used Microsoft Intune Integration with a Security Group for Advance MDM management on the Hybrid Exchange environment.

ADFS: Used ADFS and Azure ADConnect to synchronize Active Directory to establish a federation between Exchange on-prem and Office 365.

As ADFS Administrator, I created relaying party trust relationships with third-party companies such Adobe, Kroskon, Genetec, etc.

AirWatch: Served as Administrator responsible to create groups, policies, and add users who had enterprise devices, including maintenance and renewal of certificates for Apple Devices.

KnowBe4 Console: Responsible to Sync AD onPrem with KB4 Console to create groups for phishing campaigns.

Led a Phishing Alert Button deployment project that involved me preparing a KB4 console to enable PAS, and all the setting and information was sent to SCCM administrator.

Manage Engine Console: Serving as ME administrator, I ran reports for users, distribution groups, security groups, and users locked by different situations. Worked closely with Service Desk to find servers or devices that were blocking user accounts.

Worked very closely with Security Team (CISO).

eDiscovery: Served as Administrator of eDiscovery, working closely with Department of Legal to work with the request for cases.

eCase: Part of the team when eCase was deployed for some members of Legal.

TeraCopy: As a part of the Project for Data Migration from old Storage System to the New IBM Enterprise Storage System, I was the responsible to migrate all files and folder by departments and applications with TeraCopy, making sure data was migrated correctly and that the users had access to theirs files once migrated.

CommVault: Served as team member responsible for deploying a new Enterprise Storage System using CommVault as a backup system, creating retention policies and deploying commvault client on servers.

IBM Enterprise Storage System: Served as Administrator responsible to monitor the Enterprise Storage system and allocate space and nodes to each volume for shared drives.

IBM Insight: Served as Administrator responsible for monitoring and managing storage infrastructure.

General Mills, Minneapolis, MN

Lead Exchange Engineer January 2014 – June 2017

Designed the Exchange 2013 Environment using the Exchange 2013 Capacity Planning tools.

Conducted a pilot migration from Exchange 2010 to Exchange 2013 and analyzed the results.

Provided information to create a new SAN certificate to apply to the new Exchange 2013 environment.

Redirected client access from the Exchange 2010 environment to Exchange 2013 environment.

Provided level 3 support for Exchange 2010.

Migrated Mail flow from Exchange 2010 to Exchange 2013.

Provided documentation to level 1 administrator to administer Exchange 2013.

Prepared the mailboxes in the source forest using a PowerShell script.

Moved Active Directory user account using ADMT v3.2.

Moved user mailboxes to the target Exchange 2013 forest using a PowerShell script.

Coordinated with the Network team to reconfigure F5 hardware load balancer to point the new client access array.

Administration, planning, deploying Lync 2013 at the client site.

Managing the Lync 2013 central site resilience w/ backup registrars, failovers, and failbacks.

Setup up of Voice policy for load balanced routing.

Deploying the reverse proxy for Lync 2013 setup.

Deploying Edge server and high availability.

Administration, deploying mobility service in Lync Environment.

Office 365 Infrastructure deployment that include complete ADFS 2.0 & ADFS Proxy Farm Based Deployments.

Legacy Exchange public folders migration to Modern Office 365 public folder assistance and break fix.

Migrated user mailboxes to Office 365, monitored mailbox moves, and reported on progress.

Automated processes using mostly PowerShell (New users, reporting, monitoring).

Served as SCCM Administration creating packages and custom reports.

Deployed Skype for Business server in coexistence with Lync 2013 front end pool.

Diebold, North Canton, OH

Exchange Engineer January 2012 – December 2013

Managed highly available environment of Exchange 2007 CCR, SCR clusters and Exchange 2010 DAG.

Stabilized the storage design for the existing Exchange 2007 environment to prevent database dismounting errors in a CCR mailbox configuration

Managed Infrastructure with more than 90 servers with Exchange supporting 15,000 Users.

Experience with the creation and maintenance of a DAG, as well as adding members after creation.

Created load-balanced CASArray using BIG IP F5 for high availability of client access.

Troubleshoot issues with mail routing and connectivity in Exchange 2010.

Deployed Exchange Edge Server for message security and hygiene.

Handle client side issues with Outlook pertaining to crashes, lost messages, features and functionality.

Ensure Exchange servers were running properly on allocated resources (memory, CPU, disk space, etc)

Tested mobile device integration for Exchange.

Identifying and resolving the Microsoft Operation Manager alerts using SCOM operator console.

Managed Bi-Annual DR testing for all Exchange servers.

NAPA, Atlanta, GA

Exchange Administrator October 2008 – December 2011

Supported all users within an Exchange 2007 environment.

Maintained clustering environment of CCR/SCR for Exchange server databases.

Responsible for mailbox and mailbox item restores due to corruption and deletion.

Served as escalation point for unresolved issues from the help desk pertaining to Exchange server connectivity and client related issues.

Created enterprise testing environments emulating real business situations.

Provided daily administration of Windows Server 2003 and 2008 R2.

Provided daily administration of Exchange Servers 2003 and 2007.

Software management – proposed and implemented system enhancements; plan, test, implement operating system upgrades; install OS, maintenance releases, critical fixes and service packs; assist with application upgrades and installations.

Backups, archives, restores utilizing Veritas Backup Exec 10.0.

Documentation – hardware/software configurations, downtime/availability, problem/resolution, procedures, resource usage.

Decommissioned Exchange 2003 legacy servers from the enterprise environment.

Participated as project leader or technical team member for projects and/or upgrades incorporating Best Practices; provided recommendations and suggestions as required for the successful implementation of new systems.

Maintained the VPN Connections to the firm’s offices in London and Warsaw.

Developed, designed, tested, and implemented plans and procedures for business continuity including Active Directory replication, Exchange2007, virus protection.

Network Administration (including user account adds, moves, changes and deletes, rights, GPO’s, security, and email setup, backup).

Introduced Exchange 2010 server within the environment to test coexistence of services and provide POC for future migration effort.

Mass Mutual, Springfield, MA

Systems Engineer October 2005 – September 2008

SCCM Imaging and package deployment.

Technical writer for standard operating procedures, life cycles, and workflows.

Provided nationwide support for branch offices and mobile users.

Lead Tier III helpdesk support with proprietary in-house applications.

Primary contact for site changes regarding security administration, telephony, company access & city access

Used previous IT experience to manage and maintain accounts, inventory, site, and customer needs

Managed and monitored site domain controller and security alongside with LAN engineer

Administered live consultation and remote assistance

Decision maker on all strategic technology planning, firm wide.

Wrote custom printer drivers for secure printing.

Served as a Lead on the implementation of Uniflow and Print Vault.

Lead technical writer for standard operating procedures, documentation, and workflows.

Administration of branch sites.

Carviz, Mexico

Network Administrator October 2001 – August 2005

Wide scale imaging and deployment.

Installed and configured system Servers, monitoring of disk space, system and applications.

Configured and supported Cisco network switches.

Installed, configured and troubleshot VPN and Dial-up connection to remote users.

Exchange server 2000 Migration to Exchange server 2003.

File system administration – created/configured partitions/drives, and mirroring/striping/synchronizing.

Troubleshot LAN, TCP/IP, DNS and DHCP configuration and troubleshooting.

Replaced major manufacturer’s vulnerable network with robust security through joint architecture of firewall and DHCP.

Stabilized, expanded and protected client network and PC environment. Built new file servers to maximize Web hosting, terminal server, file/print sharing and domain control performance.

Server management, controlling unauthorized access from students to companies’ critical resources.

Megacable, Mexico

Network Administrator June 1997 – September 2001

•Presented various types of learning materials in the form of audio, books and visual trainings.

•Responsible for providing guidelines to faculties to help them complete course projects.

•Responsible for monitoring and controlling the lab resource and maintained proper statement of the same.

•Periodically conducted corporate training for back-office staff those were selected.

•Managing system administration, networking and hardware management & maintenance in the organization.

•Accountable for providing real time support to client computers.

•Resolved all major issue of client sides like login error, printing dilemma, and connectivity problem.

•Maximized customer operational performance by troubleshooting.

•Held discussions with clients for specifying system requirements.

•Customizing networks by adding new programs and applications to already existing networks; upgrading any existing hardware and software that have become obsolete.

EDUCATION

Instituto Tecnológico de Los Mochis

Bachelor of Computer Science

Instituto Tecnológico de Los Mochis

Masters

SKILLS & INTERESTS

Office: Word, Excel, Power Point.

Design: Photoshop, Illustrator, Corel Draw, InDesign.

Web Developer: Dreamweaver, HTML 5, CSS3, PHP (basic), JavaScript (Basic), Angular.js (learning), Ruby (Learning), bootstrap, foundation

O.S.: Microsoft Exchange Server 2003-2016, Lync Server 2010-Skype for Business, Office365, Windows Server 2003-2012, UBUNTU, windows, Mac

Others: PowerShell, IPFire, UTM s, 3C PBX. Blender 3D. U/I - U/X.HTML5, CSS3, JavaScript, Angular (Learning), Ruby (learning). Front End design with Photoshop, illustrator, CMS – Joomla, Drupal, WordPress, Moodle, Open Cart, Magento. Familiar with Agile Scrum Methodology. Framework Bootstrap, Foundation, Computer Networks, LANs, WANs. FTP, Routers, Switch, Computer Maintenance, Network Troubleshooting. LAN Security. Policy development, information security, knowledge of ISO 27001, ISO14000. PBX, UTM, DMZ, VoIP. Cisco Routers Configuration, switches, Operations, Compliance, Engineering, Azure, Blackberry, VMWare Virtualization, Tier 3 Support

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