William A. Alvarez

Senior Network Engineer with 10+ years of experience designing, implementing, and supporting enterprise and mission-critical network infrastructures across financial, healthcare, and government sectors. Expert in routing, switching, security, and data center networking. Strong track record of troubleshooting complex issues, leading cross-functional projects, and delivering scalable, secure, and reliable solutions. Bilingual (English/Spanish).

Network Engineer - IPG Photonics Inc.

(2026-01)

• Manage Core network infrastructure such as Firewalls, Routers, Switches, etc.
• Perform network maintenance such as device upgrades, backup and recovery, hardware upgrades and more
• Manage and maintain the enterprise global Aruba wireless infrastructure.
• Design and deploy a wide array of site-to-site VPN architecture to connect over 50 globally disperse sites to the main company sites.
• Work in multiple vendors such as Cisco, Aruba, Palo Alto, HPE and more.
• Design, maintain and deploy different routing protocols such as OSPF, BGP, NHRP.
• Act as an escalation point to other junior engineers.

Network Engineer - Intercontinental Exchange (ICE)

(2017-01 - 2025-12)

• Design, deploy, and support multi-vendor production network environments that include brands such as Arista, Juniper, F5, Palo Alto, Check Point and more critical to financial market operations.
• Design and deploy over 300 network devices including switches, firewalls, load balancers and servers as part of migrating the OMG business unit from legacy to newly built Datacenters.
• Design a process of testing and validating the network to ensure network redundancy in case of failure.
• Help with the migration of Cisco ISE solution to new HBE ClearPass Solution for network authentication and authorization.
• Perform network device software upgrades regularly to meet software version standards and security requirements.
• Act as an escalation point for the network operations team to help solve issue as they deem necessary.
• Design and deploy new network solutions to meet the requirements of newly developed applications
• Manage security solutions such as Palo Alto, Panorama and CheckPoint to meet network security requirements.
• Engineer real-time market feeds and multicast data solutions.
• Collaborate with Cybersecurity, Systems Engineering, and Data Center teams to design and secure network infrastructure designs.

Senior Network Engineer - Philips Healthcare

(2016-01 - 2017-12)

• Designed and implemented secure IT networks for real-time patient data transfer in clinical environments.
• Led large-scale installations of multi-phase infrastructure across healthcare facilities nationwide.
• Provided consultation to healthcare institutions on IT network strategies and system integrations.
• Directed diverse installation teams, ensuring on time, successful project completion.

Senior Network Engineer - Commonwealth of Massachusetts (ITD)

(2014-01 - 2016-12)

• Designed and maintained high-availability WAN and data center networks for multiple state agencies.
• Ensured uptime and security of government infrastructure using MPLS, OSPF, BGP, and advanced routing protocols.
• Collaborated with security teams to analyze and resolve vulnerabilities.
• Supported migrations from legacy to modern hardware (Cisco Nexus, UCS, F5, etc.).

Senior Technical Support Engineer - Essential Enterprise Services (MSP)

(2012-01 - 2014-12)

• Installation, Support and monitoring of Microsoft server applications such as Windows servers 2003 and 2008.
• Installation, Support and monitoring of Microsoft Messaging applications such as Microsoft Exchange 2003, 2007 and 2010.
• Manage virtualization solutions such as VMware VSphere 4 and 5, Microsoft Hyper-v, and more.
• Installation, Support and monitoring of Cisco network devices such as Routers, switches and ASA Firewalls.
• Administration of internal network infrastructure composed of VMware VSphere 5 and 6, VMWare View 5, Cisco UCS, Cisco Nexus 5000 series, Cisco Routers and Switches, WLC, Microsoft Exchange 2010 and much more.
• Troubleshoot and resolve any type of network, computer or server malfunctioning at client's location to ensure 100% business continuity and network functionality.
• Document issue, procedure taken and outcome.
• Provide remote technical support using various tools such as Kaseya, NetSuite, LMI and more.

Senior System - Network Administrator - IT Management Solutions (MSP)

(2010-01 - 2012-12)

• Administration and installation of Microsoft messaging systems such as MS Exchange 2007/2010.
• Manage virtualization solutions such as VMware, Microsoft Hyper-v, Citrix Xenserver, and more.
• Provide remote and onsite support for different types of Microsoft operating systems and applications such as Windows Server 2003, Windows Server 2008, Windows XP, Windows Vista, Windows 7, and MS Office 2010.
• Set up and configuration of networking devices such as routers, switches and firewalls to ensure security and minimum to zero downtime.
• Backup and Disaster Recovery using backup software such as Acronis Backup software and Zenith BDR appliance.
• Perform network assessments on new client networks and advice clients on steps to take to improve network performance and security.
• Troubleshoot and resolve any type of network, computer or server malfunctioning at client's location to ensure 100% business continuity and network functionality.
• Remote administration and monitoring using network management software such as Connect wise, Logmein, and IT Management Portal.
• Create, follow up and document procedures and outcomes using ConnectWise PSA.
• Work in conjunction with Zenith Network Operation Center technicians to monitor network health and network functionality.
• Troubleshoot servers and workstations to resolve any type of physical or logical problem.