**What’s The Role** The **Senior Specialist Engineer – Microsoft and Virtualization** is responsible for the advanced support, management, and administration of Windows Server and Virtualization infrastructure within the CSC-IaaS domain. This includes services supporting both internal stakeholders and B2B customers across the Liberty Latin America and Caribbean regions. As a **Tier 3 escalation point** , this role handles complex incidents and service requests advanced by Tier 1 and Tier 2 support teams. The engineer plays a critical role in ensuring the stability, performance, and availability of cloud and virtualized environments, while also contributing to continuous improvement initiatives and mentoring junior technical staff, and entails working on-call and overtime where applicable. **What You'll Do** **Core Technical Responsibilities** + Administer and manage virtualization platforms (VMware), including virtual machines, clusters, vSAN, and infrastructure optimization. + Manage Microsoft services including Exchange Server, WSUS, Failover Clusters, SharePoint, and Active Directory. + Perform installations, upgrades, and reconfigurations of Windows Server operating systems. + Monitor platform performance, lead alarms, and optimize server resource usage. + Implement preventive and evolutionary maintenance tasks on managed systems. + Apply vendor-recommended protocols and ensure compliance with customer security policies and standards. + Lead infrastructure changes, including patching and updates, with client authorization. + Create and maintain Windows Group Policies, server templates, and process documentation. + Develop automation scripts and tools using PowerShell, Python, or similar technologies. + Recommend improvements to server platforms, including security, scalability, and functionality. **Service Management & Customer Support** + Respond to customer service requests and ensure compliance with agreed service levels (ANS). + Diagnose and resolve service failures and platform issues. + Handle escalations internally and externally, ensuring timely resolution. + Review and accept servers/services for management. + Follow up and close cases escalated by clients. + Participate in on-call rotations to ensure platform availability. **Documentation & Reporting** + Maintain accurate and up-to-date technical documentation. + Track and report service metrics and performance indicators. + Define and maintain policies for updates and change management. **Quality Management System (QMS) Responsibilities** + Understand and comply with applicable processes, procedures, manuals, and instructions. + Participate in QMS-related training and awareness activities. + Maintain QMS documentation accurately and completely. + Propose improvements to processes and report any issues affecting system performance or customer satisfaction. **Information Security Responsibilities** + Adhere to corporate information security policies and associated guidelines. + Protect and maintain the confidentiality of company and customer information. + Use only authorized and licensed software and tools. + Comply with laws and regulations related to intellectual property and personal data protection. + Classify and label information appropriately (e.g., Public, Internal Use, High Sensitivity). + Report any security breaches or suspicious activities. + Follow policies for responsible use of resources (email, internet, mobile devices, passwords, access control). **Knowledge & Experience** + Bachelor’s degree in Information Technology, or a related field. + Microsoft Certified Solutions Associate (MCSA) – Windows Server. + Microsoft Azure Fundamentals Certification. + VMware Certified Professional (vSphere 6.7 or 7.0). + ITIL Foundation Certification (v3 or v4). + 5+ years of experience in Windows Server administration and OS management. + 3+ years of experience managing virtualized environments using VMware and/or Hyper-V. + 2+ years of experience working within ITIL-based service management frameworks. + Experience supporting internal and B2B customers in a multi-tenant environment. + Proficient in managing: + Windows Server (2012, 2012 R2, 2016, 2019) + Microsoft Exchange Server (2013, 2016, O365) + WSUS, DNS, DHCP, File Services + Active Directory, Failover Clusters + VMware 6.0 or higher, including vSAN and multitenant cluster management + Strong scripting and automation skills (PowerShell, Python). + Solid understanding of hardware capacity planning, storage technologies (SAN/vSAN/iSCSI), and virtualization monitoring tools. + Bilingual support capabilities (Spanish and English). + Familiarity with Remote Desktop Services, Microsoft Licensing. + Basic knowledge of SQL Server and SharePoint Server. + Experience with physical server hardware (rack, blade servers). + Certifications or training in: + vSAN, vROPS, NSX + Linux or Windows OS administration + Automation tools (PowerCLI, Ansible) **Who We Are** We are the leading telecommunications company, connecting more than 40 markets in Latin America and the Caribbean with our video, broadband internet, telephony, and mobile services under the consumer brands VTR, Flow, Liberty, Más Móvil, BTC, and Cabletica. We started small, and now we’re growing. We’re excited about the future as we strive to unlock opportunities in the region **Why join us** Technology excites us enables us and drives us. We´re proud of the services we provide, the markets that we serve, and our people coming together to enhance our customers´ lives with technology so that they can connect, work, live and play without missing beat. Throughout Liberty Latin America, our passion and pride are brought to life through our shared vision to bring innovation that will create moments that matter to our customers, delivering growth in our markets with one vision, one culture, and one team. _Liberty Latin America provides equal employment and advancement opportunities to all colleagues and applicants for employment without regard to age, color, citizenship, disability or perceived disability, ethnicity, gender, gender identity or expression, genetic information, marital or domestic partner status, military or veteran status, national origin, pregnancy/childbirth, race, religion, sexual orientation, or any other category protected by federal, state, and/or local laws._ **Knowledge & Experience** + Bachelor’s degree in Information Technology, or a related field. + Microsoft Certified Solutions Associate (MCSA) – Windows Server. + Microsoft Azure Fundamentals Certification. + VMware Certified Professional (vSphere 6.7 or 7.0). + ITIL Foundation Certification (v3 or v4). + 5+ years of experience in Windows Server administration and OS management. + 3+ years of experience managing virtualized environments using VMware and/or Hyper-V. + 2+ years of experience working within ITIL-based service management frameworks. + Experience supporting internal and B2B customers in a multi-tenant environment. + Proficient in managing: + Windows Server (2012, 2012 R2, 2016, 2019) + Microsoft Exchange Server (2013, 2016, O365) + WSUS, DNS, DHCP, File Services + Active Directory, Failover Clusters + VMware 6.0 or higher, including vSAN and multitenant cluster management + Strong scripting and automation skills (PowerShell, Python). + Solid understanding of hardware capacity planning, storage technologies (SAN/vSAN/iSCSI), and virtualization monitoring tools. + Bilingual support capabilities (Spanish and English). + Familiarity with Remote Desktop Services, Microsoft Licensing. + Basic knowledge of SQL Server and SharePoint Server. + Experience with physical server hardware (rack, blade servers). + Certifications or training in: + vSAN, vROPS, NSX + Linux or Windows OS administration + Automation tools (PowerCLI, Ansible) **Who We Are** We are the leading telecommunications company, connecting more than 40 markets in Latin America and the Caribbean with our video, broadband internet, telephony, and mobile services under the consumer brands VTR, Flow, Liberty, Más Móvil, BTC, and Cabletica. We started small, and now we’re growing. We’re excited about the future as we strive to unlock opportunities in the region **Why join us** Technology excites us enables us and drives us. We´re proud of the services we provide, the markets that we serve, and our people coming together to enhance our customers´ lives with technology so that they can connect, work, live and play without missing beat. Throughout Liberty Latin America, our passion and pride are brought to life through our shared vision to bring innovation that will create moments that matter to our customers, delivering growth in our markets with one vision, one culture, and one team. _Liberty Latin America provides equal employment and advancement opportunities to all colleagues and applicants for employment without regard to age, color, citizenship, disability or perceived disability, ethnicity, gender, gender identity or expression, genetic information, marital or domestic partner status, military or veteran status, national origin, pregnancy/childbirth, race, religion, sexual orientation, or any other category protected by federal, state, and/or local laws._ **What You'll Do** **Core Technical Responsibilities** + Administer and manage virtualization platforms (VMware), including virtual machines, clusters, vSAN, and infrastructure optimization. + Manage Microsoft services including Exchange Server, WSUS, Failover Clusters, SharePoint, and Active Directory. + Perform installations, upgrades, and reconfigurations of Windows Server operating systems. + Monitor platform performance, lead alarms, and optimize server resource usage. + Implement preventive and evolutionary maintenance tasks on managed systems. + Apply vendor-recommended protocols and ensure compliance with customer security policies and standards. + Lead infrastructure changes, including patching and updates, with client authorization. + Create and maintain Windows Group Policies, server templates, and process documentation. + Develop automation scripts and tools using PowerShell, Python, or similar technologies. + Recommend improvements to server platforms, including security, scalability, and functionality. **Service Management & Customer Support** + Respond to customer service requests and ensure compliance with agreed service levels (ANS). + Diagnose and resolve service failures and platform issues. + Handle escalations internally and externally, ensuring timely resolution. + Review and accept servers/services for management. + Follow up and close cases escalated by clients. + Participate in on-call rotations to ensure platform availability. **Documentation & Reporting** + Maintain accurate and up-to-date technical documentation. + Track and report service metrics and performance indicators. + Define and maintain policies for updates and change management. **Quality Management System (QMS) Responsibilities** + Understand and comply with applicable processes, procedures, manuals, and instructions. + Participate in QMS-related training and awareness activities. + Maintain QMS documentation accurately and completely. + Propose improvements to processes and report any issues affecting system performance or customer satisfaction. **Information Security Responsibilities** + Adhere to corporate information security policies and associated guidelines. + Protect and maintain the confidentiality of company and customer information. + Use only authorized and licensed software and tools. + Comply with laws and regulations related to intellectual property and personal data protection. + Classify and label information appropriately (e.g., Public, Internal Use, High Sensitivity). + Report any security breaches or suspicious activities. + Follow policies for responsible use of resources (email, internet, mobile devices, passwords, access control).