AD user and group accounts administration, both in local servers and Azure Cloud. Data Analysis, Legacy Systems, Microsoft Office Suite. Manage communications infrastructure including LAN and WAN routers, switches, gateways, firewalls, hubs, network performance monitoring, multiple OS platforms. Office 265 Exchange, File services, security, backup systems, LAN/WAN/WLAN, scripting automation, VOIP systems, Paloalto NGFWs, Nutanix VMs server, Nuage virtual network appliance, Avaya and MS Azure PBXs. Setup IBM NDM transmissions of data between the firm, DTCC mainframes and the fintech reports provider. Upgraded Bloomberg's router and telcom lines, as well as Cisco switches . Implemented a Microsoft Teams integrate phone system on Azure, replacing current Avaya system and hardware. Monitoring and enforcing the policies and procedures established by the company and the Group. Cybersecurity attacks prevention and mitigation. Development of BCP and DR plans in compliance with FINRA regulations, ensuring the Firm passes FINRA cybersecurity audits with no findings.

• Designed, implemented and maintained IT infrastructure: LAN/WAN/WLAN layer 1-7: routers, gateways, firewalls, hubs, regular and optical cabling, etc. and servers/workstations. Networking, Active Directory/Exchange/File services, security, and backup systems. • Monitored network performance using tools as packet sniffers and trace logs, troubleshooting using electronic measuring devices, shell and terminal programs and commands including telnet, ssh, ifconfig, ipconfig, etc. • Setup 3COM/HP network switches fabric in segregated networks to increase reliability, security and disaster survivability of the network.• Deployment, maintenance and performance analysis of multi OS platforms: MS Windows Server, RH Linux, AIX IBM Unix, MS Windows and Mac OS workstations. • CLI scripting automation, UNIX scripts and cron.• Deployed PK ERP on Win 2016 Oracle 12c Server while preserving AIX PK ERP/Oracle 11G legacy compatibility.• DB reporting tools and SAP Crystal Reports programming.• Administration of MS SQL DB on security systems and MySQL audit software and WordPress.• Configuration and maintenance of Avaya VOIP phone system.• Implementation and administration of Symantec Endpoint Cloud, Watchguard UTM.• Enforcement of security requirements following NIST SP 800-171 Protection of Controlled Unclassified Information in Nonfederal Information Systems guidelines for DoD subcontractors.• Verified IT processes are ITAR compliant. • Applied project management techniques to consolidation and acquisition of new systems and services as well as improving existing IT infrastructure and established/documented best practices for data security, network redundancy, reliability, and availability.• Installing, maintaining and troubleshooting Microsoft Office products including Outlook, Excel, Access, SharePoint, PowerPoint, Visio, etc.