Management professional responsible for all aspects of systems, network and application management for corporate offices and for multiple data center environments. Responsibilities include capacity planning, power, cooling, installation, monitoring, network management, cabling infrastructure, network & physical security, compliance, risk assessment, data backups, disaster recovery, failover testing, troubleshooting and repair. Responsible for software management for all operating systems (Windows, OS/X, Linux), systems and network monitoring applications; ticketing system, escalation tool, internal websites and documentation systems, asset management, remote access, virtualization, video conferencing, phone system and end user applications. Responsibilities include evaluation, selection, budgeting, purchasing, installation, maintenance, patching and upgrading of all software.Linux expertise with experience managing fully redundant infrastructure stack from routers, switches, load balancers, physical and virtual servers, physical and virtual storage for 24x7x365 environments. System and network security responsibilities include firewalls, ACLs, authentication and login monitoring systems, software and firmware patching tools, drive and data encryption, and intrusion detection system.Responsible for identifying business needs, annual OPEX and CAPEX budgeting, individual project budgeting & justification, vendor selection, pricing negotiations, statement of work write-ups, purchase & service contracts.Interviewed, hired and managed engineers, developers, system administrators and contractors in multiple locations in the U.S. and abroad. Managed the user support ticketing system and the teams responsible for repairs & employee assistance. Responsible for multiple office and data center build-outs and moves in multiple states. Responsible for migrating infrastructure components to virtualized environment using both internal systems and Amazon AWS.