A network administrator, network analyst or network engineer is a person responsible for the maintenance of computer hardware and software that comprises a computer network. This normally includes deploying, configuring, maintaining and monitoring active network equipment. wikipedia.org

Microsoft Hyper-V is a hypervisor-based virtualization system for x86-64 systems. wikipedia.org

Windows Server is a brand name for a group of server operating systems released by Microsoft. wikipedia.org

VMware, Inc. is an American software company that provides cloud and virtualization software and services. wikipedia.org

Amazon Web Services (AWS) is a collection of remote computing services (also called web services) that together make up a cloud computing platform, offered over the Internet by Amazon.com. The most central and well-known of these services are Amazon EC2 and Amazon S3. wikipedia.org

A system administrator, or sysadmin, is a person who is responsible for the upkeep, configuration, and reliable operation of computer systems; especially multi-user computers, such as servers. wikipedia.org

VMware ESX is an enterprise-level computer virtualization product offered by VMware, Inc. ESX is a component of VMware's larger offering, VMware Infrastructure, and adds management and reliability services to the core server product. wikipedia.org

A firewall is a device or set of devices designed to permit or deny network transmissions based upon a set of rules and is frequently used to protect networks from unauthorized access while permitting legitimate communications to pass. wikipedia.org

Veeam Software is a software company and elite-level VMware Technology Alliance Partner that provides software for managing VMware vSphere and Microsoft Hyper-V environments. Their flagship produts is Veeam Backup & Replication, a unified backup and replication solution.