RUAN C.
Mid-Level Linux Infrastructure Analyst
Open to offersNew to PlatformAbout
Ruan C. is a seasoned professional in the IT domain, having embarked on his career at just 19 after studying at SENAI. He is proficient in web development with a foundational skill set in HTML5, CSS, and JavaScript. Ruan transitioned into the telecommunications sector, gaining deep insights into network infrastructure concepts such as DNS, DHCP, Routing, BGP, NAT, and communication models like OSI and TCP/IP. Further expanding his expertise, he worked extensively in IT infrastructure, honing skills in incident analysis and response, and becoming adept with frameworks such as ITIL and COBIT. His technical prowess includes managing next-generation firewalls such as FortiGate, Sophos, and SonicWall, and he has robust experience in certificate management. Ruan's comprehensive knowledge extends to Linux and Windows Server environments, mail server administration, and deploying monitoring solutions using Zabbix and Grafana. He is currently deepening his knowledge in Information Security, an area he is passionate about expanding his expertise in.
Experience
Infrastructure Analyst N2
Fix IT - Soluções em Tecnologia · 2024 — 2025Managed Linux (RHEL/Ubuntu) and Windows server administration, involving tasks such as patching, hardening, and troubleshooting. Designed and configured network monitoring with VLANs, routing, and managed switches. Created dashboards and alerts using Zabbix and Grafana to enhance incident handling. Deployed and maintained containerized applications via Docker, utilizing tools like Rancher, Coolify, and Portainer. Provided Level 2 and Level 3 support for corporate users while assisting in infrastructure planning and documentation. Implemented backup and restoration routines and aided disaster recovery testing. Conducted vulnerability assessments and supported remediation and compliance processes. Analyzed and maintained network elements, including next-generation firewalls, legacy firewalls, traffic controllers like Squid, and load balancers like HAProxy.Linux Infrastructure Analyst
Redix · 2022 — 2024Managed production Linux environments (RHEL/Debian) with an emphasis on security. Deployed and maintained containerized applications using Docker, employing tools such as Rancher and Portainer. Established backup and restore routines while supporting disaster recovery testing efforts. Conducted vulnerability assessments and assisted in remediation and compliance activities. Analyzed and maintained network infrastructure, including the use of next-generation firewalls, legacy firewalls, traffic controllers, and load balancers. Oversaw administration, deployment, updates, and maintenance of the Philips Tasy system for client users.IT Support Technician
FIESC · 2022 — 2022Provided Level 1 and Level 2 support for over 500 users. Managed Active Directory accounts, Group Policies, and file/print services. Documented procedures and enhanced the internal knowledge base. Audited third-party services and systems associated with ERP and internal platforms. Installed POS systems and maintained infrastructure across various company branches, while traveling to audit services and perform server maintenance at different locations.IT Infrastructure Assistant
Lince Participações e Empreendimentos Ltda · 2021 — 2022Provided assistance in Linux and Windows operations, including performance checks and routine maintenance. Configured DNS, DHCP, and VPN services while supporting Microsoft 365 administration. Offered end-user support throughout the Holding company and its affiliates. Maintained workstations and overall infrastructure which included telephony systems, internal communication, and management of switches and servers.Network Support Technician
DKiros Internet · 2020 — 2021Supported ISP network infrastructure, addressing residential and business connectivity issues. Diagnosed and resolved both wired and wireless connectivity problems, escalating complex cases when necessary.Front - End Developer
Boutique Infantil · 2020 — 2020Developed and maintained e-commerce pages utilizing HTML, CSS, and JavaScript, ensuring responsive layouts.
Skills & Expertise
Education
- Associate Degree in Systems Analysis and DevelopmentUniCesumar · 2020 — 2023
- Bachelor in Information SecurityUNIASSELVI · 2022 — Present
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