Network Administrator
CurrentStabilized and upgraded Windows Active Directory domain from 2003, with one DC to Windows Active Directory 2008, with two active DCs, WSUS and certificate services provided by a third AD services server for Vertex Software Corporation. Also configured and implemented a remote domain for future hosting of Vertex and client assets at OnRAMP datacenters.Performed research, analysis and consultation for Vertex and customer network setups. Provided recommendations, alternatives and creative solutions for client and company specific issues that arose during the hosting of customer sites and applications.Performed detailed troubleshooting at the network, server and application levels for various internal and 3rd party tools for developers and clients. Including, but not limited to, Hyper- V, VMware, .NET 2.0/4.0, Wordpress, MySQL, MS SQL Server 2003, 2012 R2 and internalCMS application.Rebuilt Cisco 2811 router configuration to support multiple site to site VPN tunnels, reduce redundant rules and exclusions, reduced overall NAT usage by 80%, provided more stability and continuous connectivity where there had been years of reported issues.Designed, built and deployed Windows Failover Cluster setup and Always on Availability setup for SQL Server 2012. Performed data migration and initial setup of both high availability configurations while collaborating with clients and developers assigned to the clients for the desired design outcome.Performed all hardware and software maintenance related tasks for office, server and datacenter environments controlled by Vertex Software Corporation. Including hardware and parts ordering.Upgraded and migrated mail from older Send mail configuration to Postfix with Postgrey, Amavis and ClamAV.Performed migration from onsite to Amazon AWS hosted environments for clients, including EC2, RDS, Loadbalacers, S3, SES, Certificate Management, and one off solutions depending on the client’s desired environment and practical needs.