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.