• Design every functional element of network, Internet, and VOIP to achieve clients’ technical and budgetary needs • Administer Windows, SQL, mail, and application servers within Microsoft Active Directory environments • Configure LAN/WAN networks connectivity including routers and managed switches (L2, L3) • Develop client network security infrastructures• Generate and manage Microsoft Exchange SSL certificates and applications running on IIS and Apache web servers • Analyze and correct system failures by re-configuring, installing software, and facilitating hardware repair on peripherals, servers, desktops, and laptops• Migrate email mail server migrations using Exchange 2003, Exchange 2010, and Office 365 • Collaborate with customers to provide support in handling technical and end-user deficiencies• Guide non-profit private school to reach technology goals for over 100 users• Develop office network and secure student computer lab (utilizing Windows Server 2003, 2008 R2, 2012 R2, 2016, Windows XP, and Windows 7) utilizing imaging technology• Designed OS deployment automation and all configuration settings

• Design and implement Microsoft Active Directory Group Policy for global network of approximately 900 users• Administer, monitor, and troubleshoot servers, desktop computers, routers, switches, firewalls, phones, software deployment, security updates, and patches• Execute identified IT projects at local, regional, or global levels• Optimize Microsoft technology stack as needed: Windows client OS, Office 365, Servers, and Active Directory• Maintain integrity of the network, server deployment, and security.• Assist in defining and deploying standards for Active Directory, PC images, Group Policy , and other global standards• Ensure design of system allows all components to work properly together• Identify user needs and make recommendations for future upgrades• Optimize Microsoft Active Directory Group Policy for Buffalo headquarters• Design standardized automated Windows software deployment and automation of configuration settings utilizing imaging technology and MDT• Identify and fix configuration errors on Microsoft Windows, SQL, and application servers and with existing network infrastructure

• Provide primary Office 365, server, desktop, laptop, and printer help desk support for approximately 200 local users and secondary support for client global user base. • Evaluate, recommend, configure, test, and implement global IT solutions• Support LANs, WANs, network segments, Internet, and intranet systems• Evaluate networks and system performance to ensure security and availability• Office 365, server, desktop, laptop, and printer administration and support• Consult on infrastructure decisions as client moved toward implementing a centralized globally managed network

Facilitated organization adoption of changing technology (including Windows 2000, Windows XP, Windows 7, Windows 10, Exchange 2003, Exchange 2010, and Windows Server 2000 through 2012 R2) over 17-year period. Minimized technology costs, downtime, and maintenance. Achieved implementation requirements while mitigating costs and labor. Provided imaging technology and server, desktop, and application virtualization. Optimized VoIP technology and automation of OS deployment, configuration settings, and recurring technical support procedures. Provided remote and on-site monitoring, administration, and troubleshooting support of Windows network.• Optimized corporate network security infrastructure, guest VLANs, and firewalls (ISA Server, Forefront TMG, pfSense) • Configured redundant voice and internet services through SIP trunking, T1, bonded T1, cable, and fiber data services • Automated OS deployment and settings for user and computer configuration, and printers • Supported Windows-based network to identify deficiencies and corrections • Administrative configuration for Exchange 2003, Exchange 2010, and Sendmail mail servers • Automated account operations with custom PowerShell (Exchange 2010, Active Directory), WSF, and Perl scripts