Antonio Guerrisi

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10+ years of hands-on infrastructure, systems, and project management experience.

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Antonio Guerrisi

Antonio Guerrisi

Senior SysAdmin & IT Project Manager

A systems administrator and IT project manager with over a decade of experience keeping infrastructure humming and projects delivered. Comfortable in the server room, in a steering committee meeting, and anywhere in between. Specializes in Windows environments, Microsoft 365 administration, and building practical automation tools that eliminate repetitive manual work. Brings a pragmatic, low-ego approach to technology: the right tool for the job, documented well enough that someone else can maintain it.

InfrastructureMicrosoft 365NetworkingPowerShellProject ManagementCyber Security

Work Experience

Chief Technology Officer

Netvisory SrlMilan - Italy

2023Present

Lead all infrastructure and IT operations. Own the full environment — from server room to cloud — while managing a small team and coordinating complex technology projects for customers.

  • Lead a small team of IT professionals, providing mentorship, guidance, and support to ensure high performance and professional growth.
  • Built and maintain a PowerShell-based user lifecycle automation suite, reducing boring and error-prone manual tasks and improving efficiency across the organization.
  • Provide assessment and advisory services to customers on IT management best practices, helping them to identify and mitigate potential risks in their IT environments.
  • Project management of complex IT projects, coordinating with cross-functional teams and stakeholders to ensure successful delivery on time and within budget.
Cloud Solutions Engineer

NetVisory SrlMilan - Italy

20152023

Analyze and implement IT infrastructure solutions for enterprise customers, with a focus on Microsoft technologies and cloud services (Microsoft 365/Google Workspace, Microsoft Azure/Google Cloud, etc.)

  • Provide help desk support for enterprise customers, resolving technical issues and providing guidance on best practices for cloud solutions and IT infrastructure management.
  • Architected and executed migration from on-prem mail servers to Exchange Online with zero downtime.
  • Managing collaborations with Microsoft and Google on over 500+ customer environments, providing technical expertise and support to ensure successful implementation and ongoing maintenance of cloud solutions.
  • Build cloud-based infrastructure solutions for enterprise customers, leveraging Microsoft Azure and Google Cloud Platform to design and implement scalable, secure, and cost-effective environments that meet their specific needs.
  • Design networking solutions including firewalls, VLANs, and VPNs to ensure secure and efficient communication between on-premises and cloud environments.
  • Design and troubleshoot wifi networks for manufacturing environments, ensuring reliable connectivity and optimal performance for critical applications and devices.
  • Implement backup and disaster recovery solutions for complex environments, ensuring data integrity and availability in the event of a disaster or data loss.
OpenSource Integrator

YetOpen SrlLecco - Italy

20092011

Research and Development of open source solutions in collaboration area (Office dashboard, document management, project management, knowledge management, etc.)

  • Integrated a Shibboleth SSO solution for Zimbra mail server, allowing users to authenticate using their corporate credentials and access to all the enterprise web applications without the need for multiple logins.
  • Developed a web-based showreel application for a real estate office, allowing them to easily create and manage multimedia presentations for their properties, improving their marketing efforts and increasing sales.
  • Created a hardware totem to expose a web-based brochure in exposions areas, allowing visitors to easily access information about the company's products and services, improving customer engagement and increasing sales.

Education & Certifications

Microsoft Certifications

Various Microsoft Certifications in IT and Cloud Technologies Microsoft Certified Professional (MCP) - A0D994-71KE5D

2016Present
  • 70-347 Exam: Enabling and Managing Office 365 - Aug, 2016
  • MS-100 Exam: Microsoft 365 Identity and Services - Apr, 2020
  • AZ-900 Exam: Microsoft Azure Fundamentals - Aug, 2021
  • MS-900 Exam: Microsoft 365 Fundamentals - May, 2022
Google Certifications

Various Google Certifications in IT and Cloud Technologies

2015Present
  • Google Apps Certified Deployment Specialist - Apr, 2015
ITIS P. Hensemberger

High School Diploma in Computer Science and Industrial Technology

20072010
Computer ScienceIndustrial TechnologyProgrammingPhysicsMathematics
  • Studied computer science and industrial technology, learning programming languages such as C, as well as principles of physics and mathematics.
  • Developed skills in problem-solving and critical thinking, learning how to analyze complex problems and develop effective solutions.
  • Gained practical experience in programming and technology through hands-on projects and coursework, preparing for a career in IT and technology.
  • Senior project: Application of open source solutions in business environments.
ITP L. Clerici

Vocational Degree in CNC machines programming and operation

20012003
CNCProgrammingMachiningManufacturingCAD/CAM
  • Studied CNC machines programming and operation, learning how to create and optimize machining processes for manufacturing applications.
  • Gained basic knowledge in electrical and mechanical engineering, as well as in CAD/CAM software for designing and manufacturing parts.
  • Developed skills in troubleshooting and problem-solving, learning how to identify and resolve issues with CNC machines.