Thomas Herrera Email and Phone Number

Responsible for Exchange Messaging infrastructure project, operational design, implementation, and management. Azure on premise cloud, storage, virtualization, domain, and communications systems. Responsible for System Center Orchestrator, Service manager, Virtual Machine Manager as well as developing and implementing other IT projects, Exchange 2010 to 2016 migration, design and management in an ITIL environment.

Responsible for technical judgment and decision making on operational design, implementation, and management of all storage, virtualization, domain, and Lync Office 365 cloud migration. Responsible for leading, developing and implementing various IT projects create documentation for hand-off and release ownership to helpdesk and network operations. Provide core infrastructure services by ensuring availability and optimization of network devices. Help develop projects based on the needs of the company and IT. Successful projects are SCCM implementation, Build process to automate high availability SQL server failover clusters utilizing RDM. Manage and maintain websites and databases. Backup and restore databases.

Responsible for leading, developing and implementing various IT projects, create documentation for hand-off and release ownership to helpdesk and network operations, help develop projects based on the needs of the company and IT. Successful projects are SCCM implementation, VMware ESXi upgrades 4.1 to 5.1, 5.1 to 5.5 to 6.0, SRM and VCOPs, VDR, VDP, VEEAM implementation, Exchange 2003 to 2010 upgrade, Office communicator to Lync 2010 upgrade project and more. Responsibilities include maintaining virtual server environment, integrate disaster recovery solution SRM site recovery manager. Implement and manage VCOPs. Manage active directory and GPOs. Perform Windows desktop/server patching and deploy 3rd party patching via SCCM. Manage McAfee EPO, SAAS and Web filtering. Airwatch Implementation, McAfee Saas implementation, McAfee SIEM implementation, McAfee EPO implementation all projects completed successfully.

Responsible for installation, configuration of ESXi servers and associated VMware software, WDS, SCCM. Migration from Tactical to Strategic network and migration from Windows XP to Window 7. Primary responsibilities include the day-to-day administration, operation, patching and troubleshooting of Microsoft Windows Server 2008 R2, Server 2003, Exchange Server & Outlook, Windows 7, Vista, XP, Active Directory Domains & controllers, VMware, DSN, RAID, RADIUS, Microsoft Office, Group Policy, Backups, VPN, Remote Access, DNS, DHCP. Active Directory Global Policy (GPO) development, Theater Tier 2 Exchange services, WSUS and SCCM execution, WDS, SMS application standardization, and Active directory DNS maintenance.

Coordinate, Analyze & Release Telecommunication, Data Network & Carrier Solution outages and maintenances for IT Telecom Construction, Maintenance Crews, Content Delivery Network Services, Computing Services and Edison Carrier Solutions. Perform impact assessments on data network, fiber optics, DWDM, SONET, Microwave, TCP/IP & Mainframe systems. Utilize Network diagrams, block diagrams; cable cut sheets Sonet ring maps for analysis & impact assessment of planned and emergency maintenance’s. Knowledgeable in Optical carrier hierarchy, bandwidth and payload. Schedule, coordinate and communicate system outages taking into consideration the needs of various stakeholders while minimizing the impact. Analyze the Data Network & Telecommunication requirements for the company and various departments in depth and provide solutions for them. Maintain strong ethics, influence and negotiation with clients, utilize leadership and interpersonal skills. Responsible to guide the project members and make them understand the requirements of the project and the various accountability. Train the new employees how to use the network & telecommunication systems & devices to the best of their abilities. Provide input, Assist and participate in the Change Advisory Board global and local CAB as a subject matter expert (SME).

Create Powershell functions, scripts and cmdlets to manage servers and files, queued servers, high cpu servers as well as several other variations to help isolate issues and keep servers at optimal performance. Managed and monitored over 5000 virtual/physical servers in a Windows, UNIX and Exchange environment. Knowledgeable in Altiris ticketing system. Monitor and maintain SQL Database replication, database ping/response times, shrink translogs and free proccache. Maintain SQL server management studio 2005. Maintaining/troubleshooting issues responsible for site testing roll over testing. Created distinct guidelines for system outages and escalation. Troubleshoot outages, alerts. Primary responsibilities include the day-to-day administration, operation and troubleshooting of servers, content steaming servers, as well as testing code implementation. System administration duties such as add, disable and reset passwords on accounts in Active Directory, creation of OUs, distribution & security groups. Monitor using a collection of performance monitors, Nagios network monitoring system. Splunk and other various proprietary network-monitoring tools. Monitor traffic using SolarWinds.

Performed installation of over 100 servers in a Windows and Exchange environment. Supported U.S. Navy SPAWAR technical operations as a U.S. Government contractor. Directly supported the U.S. Navy’s Base Level Information Infrastructure (BLII) Modernization project in Far East/Japan. Performed as a member of a system integration/test team. Performed installation, configuration, & troubleshooting activities on Cisco/Dell Gigabit Ethernet Hardware. Performed Cisco access switch configuration. Racked & stacked classified/unclassified as well as Information Assurance suite server farms & data closets at specific priority locations to include the Japan Regional NOC, Yokosuka and ITOC, Atsugi NAF, Japan.