Participating in DevOps and technical and production support team. Supporting 1000+ clients with 4000+ users and 3500+ Windows 2008 – 2019 servers. Maintenance, configuration and troubleshooting of client’s application, web, SQL and Citrix servers. Develop various PowerShell scripts for automated client’s application server and data migration to new Windows 2019 environment, automated update of all client’s SMTP server configuration, configure and monitor server services.Participating in applications deployment to QA, Staging, UAT and Production environment. Collaborate with Software Engineers to ensure GitHub and Jenkins are properly configured for continuous application deployment.Resolving assigned issues from Jira service desk, Nagios reports and Salesforce tickets.Documented all deployment procedures, fixes, configuration changes in Atlassian Confluence. Client user’s maintenance – AD user accounts, group membership, user permissions. Participating in long term projects as VMware 5.5 migration; SQL server upgrade and consolidation: migrate SQL server DBs, maintenance plans, and SQL server agent jobs and ensure they are properly configured and functioning; Application server migration. Develop VBA application for automated user login to Citrix server and test applications functionality. Work with the team to test migrated servers, data integrity and application functionality related to other projects.

Design, installation and configuration of SeniorWell network infrastructure, Windows 2016 DCs, AD, DNS, DHCP, Group policy, Exchange 2013, SQL 2017 servers, File, Print and VPN/DA servers, VMware ESXi, vSphere and Veeam backup. Export/import user accounts and mail boxes to the new domain. Create user security groups, setup file access permissions according to company requirements and HIPPA compliance. Automate domain joining of 150+ on site workstations and 250+ remote laptops and windows tablets via PowerShell, VB and shell scripts. Virtualize and transfer PrimeSource servers to cloud service. Split and transfer EMR, files, folders, SQL DBs to the SeniorWell and PrimeSource network environments.Implement Ubiquiti Unifi Wi-Fi cloud key and access points. Manage Office 365. Consolidate and virtualize existing servers. Implementation of new virtual and cloud (AWS) servers, new IP subnet for global company consolidation and IPsec VPN. Implement collaboration software Slack Plus, team project and task management - Asana. Deploy 120 iPad Pro to the field staff, using IBM MaaS360 MDM for iPad management, security settings, alerts, app installation and configuration.

Responsible for 25+ physical and virtual Windows 2012, 2008R2, 2003R2 servers in production, QA and development environment. Support Exchange 2007, SQL 2014, 2008 servers. Maintain backups, recovery and DRP. Manage Active Directory, DNS, DHCP, and Group Policy, user accounts, public DNS records and SSL certificates. Deploy software packages & upgrades using WSUS, Group Policy and scripting technologies. Automate repetitive or time consuming tasks when appropriate using VB, shell scripting or PowerShell. Monitor systems health, resolve issue, add and configure monitors for new and existing systems as needed. Identify trends in system resource utilization, recommend hardware and software upgrades according to growth statistics and disk space forecasts. Scheduling, planning, and performing system upgrades, including coordinating the transition from QA to production environments. Implement and manage site to site IPsec VPNs with 3rth party vendors as well as configure end users VPN remote access. Troubleshoot and resolve software, operating system, and networking challenges. Established and implemented standards for onsite and remote computers.Work with the IT team of system administrators and desktop support specialists to provide technical support to 150+ on site and 250+ remote users 24/7/365, manage IT assets and mobile/smart phones, ShoreTel VoIP and key card access. Manage knowledge data base based on experience with installations, upgrades, troubleshooting, day-to-day support and best practice.