Aug 2017 – Sep 2021 · 4 yrs 1 mo · New York, New York, United States

• Directed a team of 6 resources with a budget oversight of $4M to redesign the entire IT infrastructure and consolidate technologies among multiple data centers across several international locations, resulting in increasing resiliency, fault tolerance, and security while lowering infrastructure expenses
• Actively participated in monthly meetings with the CEO, the CTO, and the COO to brainstorm on innovative projects and initiatives
• Revitalized the IT infrastructure by replacing the storage, network, virtualization servers, and physical servers, upgrading the existing Citrix XenApp, and optimizing all systems
• Migrated the on-premise MS Exchange to Office365, introduced Microsoft Teams and replaced on-premise phone systems with a hosted platform to provide a scalable, global solution within a secure environment
• Substituted firewalls and web proxies with Palo Alto high availability units with intrusion prevention, SSL decryption, and URL filtering capabilities while centralizing the policy management platform, configuring Minemeld, and installing Cisco ISE
• Spearheaded a strategic data center initiative by replacing the network with Cisco Nexus devices to provide active/active (vPC) redundancy with 100GB connectivity at the core layer and a 25GB at the access layer, accelerating efficiencies while generating a monthly cost savings of $10K
• Deployed SIEM technology, next-gen endpoint antivirus, and IDS/IPS capabilities, defined Cybersecurity policies and procedures and data mapping, performed annual penetration testing and user training, and onboarded a managed Cybersecurity vendor for 24x7x365 network monitoring

Jan 2012 – Aug 2017 · 5 yrs 7 mos · New York, New York, United States

• Expanded the network, standardized the infrastructure, and deployed various technology projects to improve performance and sustainability, enabling the company to open new offices and extend the company footprint
• Architected and executed multiple data centers with cutting-edge technology based on Converged Network, unified computing, flexpod storage, VMWare vSphere 5.5 and 6.0, and redundant ISP with BGP failover
• Introduced MLPS and DMVPN phase 3 to design a low latency network infrastructure for Trading Servers (ION Marketview) with voice and data while configuring a network of ~100 cisco devices
• Transformed an underperforming messaging system by implementing Microsoft Exchange 2010 with redundant servers in 2 datacenters, as well as email filtering capabilities with Cisco Ironport ESA
• Led the migration of the Active Directory and MS Exchange email platform, ensuring seamless transitioning for 1 acquisition and 1 merger with 0 disruptions to operations
• Launched a centralized CentOS configuration management system for ~100 servers using Redhat Kickstart and Puppet Version 3, streamlining all operations
• Conducted a security audit of the network and server infrastructure using Nessus, Nmap, and Qualys SSL to resolve outstanding issues through security best practices, innovative technology, and security vendors

Jan 2006 – Jan 2012 · 6 yrs

• Selected by the CEO to build the network infrastructure for the opening of 2 new offices in NY and Toronto as the Head of IT, Infrastructure, Networking, and Facilities, supporting the functionalities of 50-60 staff members
• Headed the integration of technology following the acquisition of 4-5 firms, influencing seamless technical operations within 1 centralized location
• Successfully troubleshot 30+ servers among Linux, Windows, Solaris and server-side processes

Jan 2004 – Jan 2006 · 2 yrs

• • Instrumental in the launching of 2 offices in Madrid, Spain, and Pisa, Italy by designing and establishing a robust network infrastructure by installing and maintaining Sybase, MS SQL Server, MySQL and Oracle database servers, enabling networked backups and integrating a 4GB Fiber Channel multipath Storage Area Network