SUMMARY:

• Highly trained and experienced IT professional brings vision, foresight and big picture thinking to account management while handling priorities and deadlines under pressure. .
• Outstanding organizational skills with the capacity to handle numerous tasks simultaneously and meet critical deadlines.
• Managing high value technical resources in virtualization and other infrastructure projects. Extensive knowledge on Hypervisors and Cloud technologies.
• Excellent communication, team player, interpersonal and problem - solving skills combined with a strong work ethic.

TECHNICAL SKILLS:

Hardware: HPE ProLiant and Blade Servers, Dell Power Edge, IBM/Lenovo and Blade Servers, Dell EqualLogic PS6510, HPE, Dell, IBM, Lenovo Laptops, EMC VNX5300, IBM Storage V7000/V9000, NetApp FAS2600, Cisco Ironport C160, Cisco 6509/4507/3750/2950 , Cisco UCS B200/B420 M4/C240 M5HCI: HPE SimpliVity CN2200/3000/HPE380; Nutanix 3060/3070/6035/8035 ; Dell VxRail P570

Operating Systems: Windows Desktop Platform (Windows 95 through Windows 10), Windows Server Platform (2000 through 2019), Linux (Centos, Ubuntu, RedHat), VMware Photon OS

Applications: Active Directory, ADFS, ADCS, PKI, Microsoft SQL Server, Microsoft Exchange Server, Office 365, SCCM, Power BI, Microsoft Visio, Microsoft Project, Rubrik, Zerto, VERITAS NetBackup, Backup Exec, WSUS, eFolder, Veeam Backup & Replication, Commvault Data Protection and Backup, Altiris, Shavlik/Ivanti 9.2, Sophos, Symantec Antivirus, OpenDNS, Splunk, Rapid7 InsightVM, CyberArk, UiPath RPA, Microsoft Cloud App Security, SAML, SSO, SSPR, OKTA

Support Applications: Azure Monitor, SolarWinds Monitor, SolarWinds Orion, System Center Configuration Manager, Galileo Cloud Monitor, MRTG, WireShark, SysAid, Connectwise, LabTech, Cisco UCS Manager/Central, Kaseya, VMware AirWatch

Hybrid Cloud: Microsoft Azure, AWS, Breqwatr private cloud, Office 365

Virtualization: VMware vSphere 4.0 - 6.7, vCenter 4.1 - vCenter 6.7 HA, SRM 6.5, vROPS, vRO, vRealize Suite, HCX, vUM, vSAN, NSX, VMware Horizon VDI, Microsoft HyperV, XenDesktop/XenApp 7.5 -7.14.1, Citrix Netscaler & XenDesktop VDI, Nutanix AHV & PRISM, HPE SimpliVity OVC, Oracle VC

Scripting: PowerShell, Azure CLI, VMware PowerCLI, Ansible, Python, AWS CLI, VBScript

PROFESSIONAL EXPERIENCE:

Confidential - Bohemia, New York

Senior Solutions Architect

• Create architectural technology and business roadmaps; collaborate with other architects to define the architecture domains. Assess business needs, IT investments and translate into actionable IT strategy using industry-proven architecture best practice.
• Designed, deployed and maintained over 1650 servers and supported 5,000 users in different locations worldwide. Worked with team of engineers to design, implement, manage and monitor security and compliance solutions.
• Upgraded Windows 2008R2 to Windows 2012R2, then Windows 2016 and moved the domain/forest functional levels to Windows 2016. Maintained server and data center operational service levels.
• Responsible for technical design, implementation, and operational support across Directory Service, Certificate services, ADFS, SAML, SSO, SSPR & PKI infrastructure. Troubleshoot Active Directory issues such as: logon failures, account lockouts, network connectivity, DNS name resolution, DHCP issues, authentication problems, folder and printer permission; Created Group Policies in AD and administer Local Security Policies. Authenticate web users against Active Directory servers.
• Led the team to upgrade Azure AD connect from version 1.1.380 to the latest version 1.3.21 and migrated over 35 on-prem ADFS apps to Azure. Migrated the apps to Azure Gallery/Non-Gallery Application, configured SAML SSO and assigned them to users.
• Deploy Windows and Linux instances in AWS EC2; Created VPC and migrated VMs to AWS by using AWS connector for vCenter.
• Manage and administer Office 365. Setup hybrid Office 365 environment; ensure objects are synchronized between the on-prem and Azure AD. Understanding of Lync/Skype for business topology and ability to architect/troubleshoot the environment. Migrated 2150 mailboxes to Office 365, performed all necessary cleanups after the migration.
• Architecture, design, VMware ESXi, within vSphere 6.0 and vSphere 6.7 environments with VCSA HA Management and Linked VCSA with DR site, DRS, HA, DPM, vMotion, vSAN, VMware Data Recovery, VMware vCenter Operations Manager, vCenter update manager, vRealize Suite, NSX, Designed and configure vSwitch, port groups and dvSwitch. Led the team to migrate vSphere 6.0 to vSphere 6.7.
• Design Cisco UCS architecture, procured chassis, blades and software. Reduced hardware by 90% via consolidation and virtualization.
• Design, plan and execution of projects related to system infrastructure deployments and data migration. Lead the Team during implementation of various projects.

Confidential - Melville, New York

Senior Architect / Systems Engineer

• Designed, deployed and maintained 3916 servers and support over 20,000 users in different locations worldwide.
• Installed and configured Enterprise Windows 2003, 2008R2, 2012R2, 2016 Active Directory; Managed 8 top DCs and 97 child DCs. Created PowerShell scripts for checking AD health and replication as well as account logouts script.
• Run RaaS (risk assessment program) for moving AD domain/forest level from R2, then to 2012R2 including upgrading top and child domains in North America, Europe, Asia regions and DR site; Enabled AD recycle bin from windows 2012R2.
• Installed and configured SQL cluster and SQL Always ON cluster, managed and maintained Microsoft Dynamic AX database, Migrated SQL server from 2000, 2005 and R2; from 2008R2 to 2012R2 or 2016.
• Managed and responsible for 102 ESXi hosts and 3756 virtual servers; Architecture, design, install, configure VMware ESX, ESXi, within vSphere 4, vSphere 5, vSphere 6.x and vSphere 6.7 environments with vCenter HA Management and Linked vCenter with DR site, DRS, HA, DPM, vMotion, vSAN, VMware Data Recovery, VMware Site Recovery Manager (SRM), vCenter Operations Manager, vCenter update manager, vRealize Suite, NSX, Horizon View 6.1; Designed and configure vSwitch, port groups and dvSwitch.
• Designed, built and administred VMware Horizon View 6.1 VDI environment; Developted plans for deploying virtual machines and image; Toubleshooting and resolved VDI issues; Monitored VDI performance.
• Built, configured and deployed VMs and templates. Completed Physical-to-Virtual (P2V), Virtual-to-Virtual (V2V) and Virtual-to-Physical (V2P) migration of Windows NT, 2000, 2003, 2008, 2012 and 2016 as well as Linux servers from VMware, Hyper-V, Xen and legacy hardware. Developed, tested, and maintained a disaster recovery plan for critical VMs and application data, upgraded vSphere 4.1 to 5.5 as well as migrate vSphere 5.5 to 6.5. Designed and configured SRM 6.5 for Disaster Recovery. Managed and deployed vROPS 6.7 and SRM 6.5.
• Led datacenter migration by designing and implementing three new virtual infrastructures (Prod, Quality and DR) including 6 PSCs and 3 VCSAs, leveraging VMware vSphere 6.5, VCSA 6.5 HA, HP server, SimpliVity and Nutanix-converged systems and replicating VMs to DR site by using VMware SRM 6.5. P2V over 2000 Windows and Linux servers including SQL cluster with large database up to 15TB.
• Designed, built and administered Citrix XenApp 6.5 Farm; Performed a major Citrix upgrade from XenApp 6.5 to XenApp & XenDesktop 7.14.1 including the design and deployment of a new StoreFront / Citrix Receiver client interface for internal and external application access, and the configuration of NetScaler Gateway;
• Led the Team to build 250 Citrix Xendesktop VDI on Nutanix hyper - converged systems by installing and configuring two dedicated delivery controllers with director and studio, 2 store front servers, 1 Citrix license and SQL server, 1 file server containing user’s profiles and several master image VMs installed VDA agent.
• Architected, designed and configured Azure AD, ADFS, MFA, SSO, MIM, Virtual Networks, subnets, DHCP, DNS, security policies and routing. Configured Azure AD connector between on-promises AD and Azure AD.
• Deployed Azure IaaS virtual machines (VMs) and Cloud services (PaaS role instances) into secure VNets and subnets.
• Provided high availability for IaaS VMs and PaaS role instances for access from other services in the VNet with Azure Internal Load Balancer.
• Designed Network Security Groups (NSGs) to control inbound and outbound access to network interfaces (NICs), VMs and subnets. Setup Azure Virtual Appliances (VMs) to meet security requirements as software-based appliance functions (firewall, WAN optimization and intrusion detections). Utilized NSGs for layer 4 Access Control List (ACLs) for incoming and outgoing packets.
• Configured BGP routes to enable two ExpressRoute connections between on-premise datacenter/DR site and Azure Cloud (US East and US East2 regions) as well as VPN connections as backup. Led DevOps development of PowerShell command scripts, custom PowerShell C# cmdlets, Python, Ansible, Puppet and Chef to configure, verify and monitor.
• Worked with Jenkins under the CI/CD pipeline providing continuous improvement to agile software development teams.
• Reviewed workloads, system dependencies, business requirements and security requirements to optimize the Azure subscriptions, VNet design, NSGs, routing, deployment model and resource groups. Designed choice architectures for IaaS VMs, PaaS role instances and SaaS applications appropriate for the workloads (operating systems, applications, databases), transaction volumes, performance goals and security concerns. Mapped workloads to the capabilities of Microsoft Azure for public, private and hybrid clouds.
• Designed and Configured ASR environment, built ASR configuration, process and master target server, setup replication policies and created test failover vNet for Azure DR test. Led migration of over 120 on-premise Virtual Machines to Azure thru ASR.

Confidential - Long Island City, New York

Senior Systems Engineer

• Led team that provided production and project support for desktops, servers, networks and applications; Responsible for the design, implementation and support for the company Global Active Directory and Group Policy environment. Supported vastly different infrastructure and application environments: 2000 users in 15 locations worldwide.
• Installed, configured and administered Enterprise Windows 2003/2008 R2 Servers and Active Directory services; Installed and configured DFS and setup replications for all file servers between corp. office and branch offices; Upgraded and migrated old Windows DC, DNS, DHCP and File server to the latest Windows 2008 R2 server; Developed, created and applied procedural steps of server configuration for deployment; Installed and configured internal and external FTP sites; Installed and configured MS SQL database, created data sources for Microsoft AX; created and implemented Windows server hardening and patch policies for all Window servers; setup backup policies and configured Microsoft DPM for backup as well as Backup Exec; added all servers into Solarwind and Dell OME server for automated monitoring; Maintained server and data center operational service levels and wrote documentations; kept server /datacenter configuration diagrams and information up to date.
• Managed and designed a highly available Exchange 2003 solution utilizing Microsoft Cluster Services on top of EMC CX310 SAN. Migrated 2000 mailboxes from Exchange 2003 to Exchange 2010 included 8 DAGs, active/active in two physical sites on VMware virtual machines as well as archiving and retention policies; Configured the secure flow of messages between the Exchange server and the internet thru Cisco IronPort; Built and configured FaxMaker efax server link to Exchange 2010. Planned and implemented backup and restore procedures for disaster recovery; Troubleshot all incoming and outgoing mail problems and Outlook issues.
• Designed, installed, configured VMware ESXi 4.1 and vSphere 4 environments with vCenter management in both Corp. and DR site; Built SRM server and configured SRM failover in case of disaster; setup vMotion, HA, DRS; Created and installed VDI; Built, configured and deployed VMs and templates; Completed Physical-to-Virtual (P2V) and Virtual-to-Virtual (V2V) migration of Windows 2000, 2003 and Windows 2008 Servers; Analyzed and troubleshot on an advanced level, performance of SAN backed VMware ESXi infrastructure to determine proper allocation of resources to a multi-department user population with widely varying needs; Developed, tested, and maintained a disaster recovery plan for critical VMs and application data.
• Installed and administered Microsoft Dynamic AX (Prod, QA, Test and DEV environment) and all components such as SQL SSRS, EP, AOS instance, FRx and AX client. Created AX configuration files on terminal servers. Restored Prod database to QA, Test and DEV for business needs. Performed a disaster recovery test semi-annually.
• Managed and responsible for 250 Windows servers and 3 IBM iSerials; Standardized network management and monitoring tools across the organization to provide real-time alerting leading to greater uptime and increased security; Drafted and implemented policies and procedures regarding network equipment, maintenance, and monitoring; Personally, led the conversion of an unstructured helpdesk to a global service desk through implementation of a ticketing system and industry best practice resulting in increased service levels, reduced resolution time, and tracking of key metrics; Analyzed metrics to increase service offerings and automated recurring tasks. Handled all IT maintenance agreement and purchased all equipment.

Confidential -Farmingdale, New York

Network and Systems Administrator

• Implemented and managed 235 node networks; Planned and installed Microsoft Windows 2000 Advanced Server and NT 4.0 server networks in mixed mode environment; Designed and setup Active Directory services, domains and DHCP, DNS, WINS, IIS; Setup user/group accounts and security, file and printer sharing, antivirus and system backup services; setup and verified client’s network logon script, network file and printer sharing, Exchange server connection and Internet access; implemented and managed RAID arrays, also recovery from disaster.
• Managed and maintained computer client/server network systems; Researched, recommended and coordinated with the vendors on all hardware and software needs for the company.
• Setup and tested 100BasedT network switch and cabling systems; Implemented support procedures from Helpdesk to Server support, and trained Helpdesk support analyst.
• Deployed, installed and configured Exchange 2000, managed storage group and created user’s mailbox; Administered and maintained Exchange 2000.
• Configured Cisco Cat. 1900 switch and 2500 router; Configured Internet DSL router with DHCP, NAT, and basic firewall service; Configured and Installed VPN and Microsoft Terminal Service, allowed users to connect to the company network via private WAN link.