• Design, deployment, & administration of virtual and physical servers with Windows Server 2012 R2 – 2016 and Ubuntu operating systems including command line. 120 + server environment.• Design, deployment, & management of the physical and virtual environment (VMware) – ESXi, VMWare 6.7+• Conduct research on software & systems to justify recommendations and to support purchasing efforts.• Collaborate with development team to deploy and maintain the business environment to ensure smooth and reliable operation of systems for fulfilling business objectives.• Integrate servers, including database, e-mail, print, and backup servers and their associated software into enterprise systems.• Ensure system connectivity of all servers, shared software, groupware, and other applications. • Recommend, schedule, & perform software and hardware upgrades.• Maintain and implement layer 2 and layer 3 network. Including changes and implementation of switches.• Primary technical escalation point for infrastructure team. Mentor and assist team members.• Microsoft SQL server experience and knowledge of databases.• Deployment/design/administration of Citrix farm.• Deployment/design/administration of load balancers and high availability services (Exchange DAGs, HAPROXY – Linux Ubuntu – CLI skills needed, Netscaler).• Efficiently develop and implement domain services changes.• Implement various projects that enhance network availability, security and data integrity• High-level Exchange server experience. Understands Exchange roles and architecture, mail flow, SMTP, client connection protocols, & fundamentals.• Design/manage/deployment of GPOs to streamline end user access & settings.• Experience with fiber and ISCSI channel SAN technology.• Main technical point for all mission critical systems.