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Job Summary: A professional to plan, design, and implement IT infrastructure and systems solutions, leading strategic projects and managing critical environments. Key Highlights: 1. Lead strategic projects for technology upgrade and modernization 2. Manage critical IT environments, ensuring high availability 3. Act as a mentor and disseminate best practices in systems administration We are Alloha Fibra, the largest independent company and the third-largest FTTH (Fiber to Home) optical fiber provider in Brazil. We operate a fiber-optic network spanning over 110,000 kilometers and serve more than 1.6 million customers. With nine integrated commercial brands, we operate nationwide—from north to south—and were the fastest-growing fixed broadband provider in Brazil in 2022\. Our team comprises over 4,000 collaborators united by a shared purpose: connecting people, ideas, and businesses while promoting digital and social inclusion across Brazil—and guided by the same core values. We’d love to meet you! \#oquecorrepelanossafibra \#timedefibra **Responsibilities and Duties** * Plan, design, and implement IT infrastructure and systems solutions, ensuring performance, scalability, and security. * Provide technical leadership for strategic projects involving technology upgrades, integration, and modernization. * Manage critical server, network, storage, cloud, and information security environments, ensuring high availability. * Serve as a mentor for Junior and Mid-level professionals, defining technical standards, reviewing scripts, and disseminating best practices in systems administration. * Analyze risks, propose policies, and define contingency and disaster recovery plans (DRP). * Evaluate emerging technologies and vendors to support strategic investment and IT architecture decisions. * Manage and optimize hybrid environments (on\-premise and cloud), ensuring appropriate performance and cost efficiency. * Develop and review IT procedures, standards, and policies, aligned with corporate compliance and security requirements. * Ensure governance and lifecycle management of technology assets, maintaining inventory, licensing, and version control. * Proactively mitigate vulnerabilities and implement information security controls. * Define and validate backup strategies and disaster recovery plans (DRP) for hybrid infrastructures. * Administer and architect complex Active Directory (AD) and Entra ID (Azure AD) environments, ensuring access governance and security. **Requirements and Qualifications** * Bachelor’s degree in Information Technology, Computer Engineering, Information Systems, or related fields. * Proven experience in mid-level or senior IT roles. * Proficiency in network, server, operating system, and security administration. * Advanced expertise in Microsoft Hyper\-V (Failover Clustering, Replication). * Expertise in Windows Server and core services (DNS, DHCP, Group Policy, WSUS). * Solid experience with Microsoft Entra ID and hybrid environments. * Ability to develop complex PowerShell scripts for automating routine tasks. * Knowledge of configuration and orchestration tools (e.g., Ansible, Terraform, or similar). * Familiarity with system integration via n8n or REST APIs. * Advanced diagnostic capability and proactive response to critical incidents. * Participation in a compensated on-call rotation among infrastructure team members. * Experience in DevOps and containerized environment management is a plus. **Additional Information** * Dental insurance * Meal allowance * Life insurance * Transportation allowance * Giga Inclusão \- PCD dependent assistance * Total Pass * Birthday day off * Extended maternity leave (180 days) and paternity leave (20 days) * Psicologia Viva (if enrolled in Amil health plan) * E-learning platform on the intranet * Tour House: 5%–12% discounts on airline tickets, hotel reservations, and car rentals. * Movida: 10% discount applied to daily rental rates * Samsung Partnership Portal With the mission to **connect people, ideas, and businesses—promoting digital and social inclusion across Brazil**, Alloha Fibra is today the largest independent optical fiber group in the country. This achievement is made possible by our team of 5,000 professionals who pursue **quality and excellence** in everything they do—always focused on delivering the best products, services, and customer support. **We value diversity**, reflected in our employees and customers across all regional and social dimensions—since we operate in 864 cities across 22 Brazilian states, supported by a fiber-optic network exceeding 140,000 kilometers and serving 1.6 million subscribers. Here, you’ll find one unified team—**interconnected**, committed to **doing the right thing, always**. Honesty, integrity, transparency, and ethics define our culture—the Alloha Way—which transforms our workplace into a collaborative, responsible environment for people and business sustainability. For more information, visit https://alloha.com/
