Analista de Infraestrutura de TI [Operação e Segurança]

Job Description

• This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Analista de Infraestrutura de TI [Operação e Segurança] based in Brazil. This role is an opportunity to work at the intersection of IT infrastructure operations and information security in a business-critical environment. You will help ensure the availability, performance, stability, and protection of core technology services. The position combines infrastructure administration, network troubleshooting, monitoring, identity management, and security operations. You will investigate incidents, respond to alerts, and collaborate with specialized technology and security providers. The role offers exposure to Windows and Linux environments, Microsoft 365, Entra ID, networking, firewalls, and security platforms. You will join a structured team and contribute to operational excellence through disciplined processes and proactive problem-solving. This is a fully on-site opportunity in Barra da Tijuca, Rio de Janeiro, suited to an analytical and hands-on IT professional.
• Accountabilities Operate and maintain the corporate IT infrastructure, ensuring high availability, stability, and performance of critical services. Monitor and respond to events, alerts, and infrastructure incidents using tools such as Zabbix. Perform initial investigation and response to information security incidents, escalating issues when necessary. Administer and troubleshoot Windows and Linux environments. Manage Microsoft 365 and Entra ID environments, including identity and access-related activities. Operate corporate networks and troubleshoot connectivity, performance, and infrastructure issues involving TCP/IP, DNS, DHCP, and VPN. Operate and administer security solutions, including firewalls, SSE, XDR, and SIEM platforms. Support backup routines, patching, system updates, and infrastructure hardening activities. Support access control, identity management, and technology governance processes. Interact with data center, connectivity, security, and other technology providers to resolve incidents, changes, and problems. Support Microsoft SQL Server environments through routine activities, connectivity troubleshooting, and technical support. Register, document, and maintain service tickets in accordance with ITIL processes and operational best practices. Contribute to continuous improvements in infrastructure reliability, security, and operational processes. Requirements Previous experience in IT infrastructure, advanced technical support, or similar corporate technology environments. Practical knowledge of Windows and Linux operating systems. Solid understanding of data networking, including TCP/IP, DNS, DHCP, and VPN. Experience with infrastructure monitoring tools, particularly Zabbix. Experience administering Microsoft 365 and Entra ID (formerly Azure AD). Practical experience with operational information security tools and processes. Experience with firewalls such as Fortinet or Check Point. Familiarity with Cisco Umbrella and corporate endpoint protection solutions such as Trend Micro Apex One. Basic to intermediate knowledge of Microsoft SQL Server, including routine operations, connectivity, and support. Strong troubleshooting and incident-analysis capabilities. Ability to work under pressure and respond effectively in critical operational environments. Analytical, organized, disciplined, and proactive approach to problem-solving. Strong communication skills and ability to collaborate with internal teams and external technology providers. Sense of ownership and responsibility for operational continuity. Willingness to work 100% on-site in Barra da Tijuca, Rio de Janeiro. Desirable qualifications and experience: Experience in 24/7 operations, NOC, or SOC environments. Knowledge of ISO 27001, system hardening, and vulnerability management practices. Experience with SD-WAN technologies. Technical certifications in areas such as Microsoft, Linux, Fortinet, Check Point, ITIL, or information security. Experience with automation and scripting using PowerShell or Shell. Benefits Competitive employment package under a CLT contract. Bradesco Top Nacional health insurance with co-participation. Optional Bradesco dental insurance. MetLife life insurance. Alelo meal voucher of R$46.92 per day. Food allowance of R$217.36. Birthday day off. Gympass benefit. Eligibility for PLR (profit-sharing) according to the applicable policy at the time of payment. Fully on-site position in Barra da Tijuca, Rio de Janeiro.
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