Purpose The purpose of this position is to establish a senior-level Microsoft 365 and infrastructure expert at the Mexico site, ensuring seamless integration with the central IT organization in Germany.
The role is critical for managing and optimizing the local Microsoft 365 tenant, including Exchange Online, Share Point, Teams, and One Drive, while enforcing global governance and compliance standards.
It serves as an escalation point for complex platform and infrastructure issues and supports teams with provisioning and automation of Azure/Cloud resources.
The position also leads IT projects/sub‐projects and migration initiatives, contributing to the strategic IT roadmap.
Strong collaboration, bilingual communication, and technical leadership are essential to drive digital workplace excellence across the region.
Responsibilities Manage and optimize the full Microsoft 365 environment (Exchange Online, Share Point Online, Teams, One Drive); configure tenant settings, manage user accounts and permissions, oversee license assignments, and handle service requests in line with global standards and policies.
M365 Service Lifecycle Management: oversee the lifecycle of Microsoft 365 services – from evaluating and rolling out new features and updates to decommissioning or upgrading services as needed; stay up‐to‐date with Microsoft's roadmap (e.g., new features, security updates, Microsoft 365 Copilot, etc.) and plan proactive improvements or changes; develop and enforce governance policies (e.g., retention, data loss prevention) to ensure compliance and optimal use of the platform.
Manage Microsoft Entra ID (Azure AD) to handle identity and access management; handle user identities, groups, and roles; enforce identity security through Multi‐Factor Authentication (MFA), Single Sign‐On (SSO), Conditional Access policies, and periodic access reviews.
Microsoft Platform L3 Support: serve as the Tier‐3 (L3)



escalation point for complex issues related to Microsoft 365 services and underlying infrastructure; troubleshoot and resolve high‐priority incidents such as mail flow problems, authentication or synchronization issues, and service outages; work closely with Level 1 and Level 2 support teams, providing guidance and mentorship; engage with Microsoft Support (Premier/Unified Support) as needed to resolve critical incidents.
Execute license assignment and optimization in line with general policies and cost‐awareness.
Support Dev Ops teams with platform‐level enablement and environment provisioning readiness.
Plan, provision, and deploy Azure services and resources to internal teams; utilize automation and scripting to streamline provisioning and maintain consistency across environments; continuously monitor Azure consumptions.
Project Leadership & Migration Initiatives: take a lead role in planning and executing IT projects related to the Microsoft ecosystem; manage major migration projects (e.g., cloud migrations, tenant‐to‐tenant migrations, integration of acquired companies' tenants), new software rollouts, or upgrades of infrastructure; develop project plans, coordinate resources, and ensure on‐time delivery; communicate progress and challenges to stakeholders and contribute to strategic IT roadmaps for the region.
Serve as regional interface between Mexico IT/business and central IT teams in Germany.
Skills Bachelor's degree in Computer Science, Information Systems, or a related field is preferred.




5–8+ years of experience in IT infrastructure and Microsoft 365 administration in an enterprise environment (with at least several years in a senior or Level 3 support capacity).
Experience working in a multinational or multi‐site organization is highly desirable.
Microsoft 365 expertise: proven, hands‐on expertise in managing Microsoft 365 services – including Exchange Online, Share Point, Teams, and One Drive – with a track record of successful deployments, configurations, and troubleshooting.
Experience with email migrations (from on‐premises Exchange or other platforms to Exchange Online) and administering collaboration tools is required.
Infrastructure & cloud skills: solid experience with IT infrastructure (servers, networking, storage) and cloud platforms; strong knowledge of Microsoft Azure services (e.g., managing Azure VMs, network configurations, and security in Azure) is a plus; competency in networking fundamentals (TCP/IP, DNS, VPN) and Windows Server/Active Directory administration; experience with infrastructure deployment and environment provisioning for applications or Dev Ops projects is beneficial.
Soft skills: excellent troubleshooting and problem‐solving skills, with a proactive mindset to identify and fix issues before they impact users.
Strong communication skills in English (verbal and written) are mandatory; German language proficiency is highly valued to facilitate communication with German‐speaking colleagues and stakeholders.
Certifications Microsoft 365 Certified: Enterprise Administrator Expert Microsoft Certified: Azure Administrator Associate (AZ‐104) or Azure Solutions Architect Expert Microsoft 365 Certified: Security Administrator or Identity and Access Administrator (SC‐300) ITIL Foundation Location: Mexico City, Mexico
Working Location: Mexico
Position Area: IT / Digitalization #J-*****-Ljbffr

📌 Sr Microsoft 365 & Infrastructure Specialist (Cdmx) (Tijuana)
🏢 Harting Technology Group
📍 Tijuana