John Czerwinski

Strategy, Architecture, Engineering and Operations of: AI and Automation, Data Center and Cloud (Azure), Endpoint (Laptops, MacOS, Mobile Devices), Messaging and Collaboration (O365, Email, MS Teams, SharePoint, Slack, PowerApps, Google Workspace), Networking and Telecommunications (Data, Internet, Voice, eFax, Call Center), and Enterprise Application (30+ in-house developed solutions and off-the-shelf including Boomi). Overall environment size includes 3,000+ Staff, 300+ Remote offices, 2 Data Centers, Azure, and 1 Inbound / Outbound Call Centers • Automation and AI: Deployed MS Co-Pilot, MS Azure OpenAI, and Power Automate • Built and Ran Enterprise-wide End User Group program suite to align requirements and provide feedback • Reduced security exposure significantly • Lead the technical effort and worked with the POTUS IT team to integrate within their health care routing ecosystem. • Built Call Center Hotline that allowed Ukrainian, Russian, and Polish speakers to obtain assistance with cancer concerns. • Partnered with development to build a Kubernetes environment and practice. • Migrated on-prem data center from Kansas City to Atlanta • Modernized Conference Room at the Atlanta Headquarters • Improved operations of endpoint and mobile devices through upgrading Ivanti and Jamf • Upgraded hardware and Operating Systems (Windows 10 to 11) on 3000+ • SharePoint Upgrade to a hybrid of SharePoint On-Line and version 2019 • WorkDay migration

• Worked with Research Scientist to modernize and upgrade their Statistical Analysis System (SAS) environment • Implemented Slack and Google Workspace as additional collaboration options to MS Teams • Modernized BYOD stipend program to align to industry trends and best practices. Saved ACS over $1.5M • Migrated the entire on-prem Data Center (1K+ VMs and Servers at the Atlanta office into the Azure Cloud in less than three months: a feat that still gets recognition within the industry. • MS Teams calling to Ring Central • Upgrade Mobile Device Management (MDM) from Mobile Iron to Intune

• Overall environment size includes 6,000+ Staff, 400+ Remote offices, 3 Data Centers, and 2 Inbound / Outbound Call Centers • Responsible for a $26M+ Overall Infrastructure Budget. • Implemented broadcasting technology for live Town Hall meetings • Consolidated 400+ office disparate voice technologies into one solution • Lead the efforts to obtain PCI certification • Executive lead and project manager in migrating a regional office, which housed a Data Center and 400+ agent call-center. The Data Center was migrated to a Co-location and Call Center environment was virtualized to a Home-Office based paradigm. New technologies were implemented, such as: SIP, SD-WAN, NetBond (Cloud Connectivity) and Cisco ACI. Project was completed early and under budget. • Implemented a Telecom Expense Management (TEM) system to consolidate billing, clean-up and manage all telecommunication inventory, streamline ordering and disconnect process, automate payment, implement audits, and reduce cost. • Implemented a soft-phone-based PSTN solution with MS Teams and Ring Central • Reduced overall help desk ticket volume by 35%+ through analytics, automation, documentation, and training. • Reduced Telecom Cost by 30% through technology upgrades, contract renegotiations, and inventory clean-up. • Lead team in implementing Office 365 allowing a significant reduction in operational cost and complexity. • Implementation of SD-WAN and Wi-Fi upgrade projects Enterprise-wide

In this role, I lead a technical team whose responsibilities include designing, building and operating a global SaaS infrastructure to support the AirWatch MDM/MAM solution. The team consists of several cross-functional technical areas, which include: virtualization, storage, data backup and retention, networking, security, application load balancing, WAN optimization, network management system, system management system, change management, incident management and configuration management. In a short amount of time, we were able to build several data centers across the globe to support a quick-to-market strategy. I also provide consulting support to the wireless (WLAN) division of AirWatch. Highlights • Designed, implemented and operated a highly-available SaaS infrastructure for the AirWatch MDM/MAM product line using technologies from Cisco, F5, EMC, VMWare, Riverbed, and Dell. • Designed and implemented a full collocation presence in less than 2 months • Built several systems and workflows to support Change Management, Incident Management and Configuration Management • Developed security policies, procedures and standards • Implemented Network and System management systems • Project Manager on several mission-critical projects • SSAE16 SOC1

• Managed a $3.7MM capital and $5.4MM operational budgeting supporting the design, implementation, project budgeting, and support for enterprise-grade and production-grade lottery networks. • Audited and monitored project budgets upwards of $13.5MM in size with multi-phase milestones. Sustained and built $28MM in revenues from telecom and network services. Provided strategic visioning while focused on new product development, alignment of technology infrastructures, and worked with business development / marketing groups to identify new revenue channels.) • Implemented 800+ node telecom network/national data center in China; and, designed/implemented network topology and VoIP PBX system. • Implemented 800+ node telecom network/national data center in China; and, designed/implemented network topology and VoIP PBX system. • Architected solution for 90,000+ CDMA POS in China. • Managed 20,000 node Satellite VSAT network across North/South America, developed CDMA/EVDO-based POS network with device lockdown • Upgraded the company’s communications network from General Packet Radio Service (GPRS) to Code Division Multiple Access (CDMA), creating a significant annual savings. • Improved spending associated with the Satellite Space Segment, while cutting deployment turnaround time for non-Satellite retailers by using a CDMA/EVDO network and router. Identified unnecessary expense resulting from non-usage. Outsourced mobile phone billing • Outlined and integrated advanced IT/network security and asset protection solutions, utilizing Checkpoint firewalls, Cisco Intrusion Detection Systems, Cisco Works, and a security log correlation system. Identified and corrected network weak points, developing countermeasures and emergency response procedures.

• Managed a secured enterprise network, which includes an 89-site International WAN and 132-node LAN servicing more than 2000 users with 99.95% availability. • Created, implemented, and enforced network based policies, processes, and procedures. • Managed integration and move of large enterprise (a former competitor) from Clifton, NJ to Alpharetta, GA. • Managed 10-site production-grade network upgrade to support new industry security compliance rules. • Responsible for managing department’s capital and operational budgets, as well as forecasts and expenditures. • Designed and managed a cost effective and high-speed enterprise Direct Internet Access solution using diverse providers, full equipment and circuit redundancy, and full automatic fail-over.

• Designed, implemented, and installed the South Carolina Educational Lottery VPN based terminal network, which was the first VPN-based retailer terminal network in the industry. • Key member of the team that designed, installed, and implemented six (6) Lottery networks, both domestically and internationally.

• Designed and implemented company’s first connection to the Internet using CheckPoint FW-1, ISS IDS, and Checkpoint RealSecure with RSA SecureID. • Migrated failing Timplex WAN to a Cisco based Frame Relay WAN with dial-backup.