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Fellipe P.IT Operations Specialist
Skills
An Information Technology and Telecommunications Consultant with over two decades of experience in IT infrastructure. Certified in ITIL 4 Foundation and adept with both Linux and Windows operating systems, proficiency extends to automation tools including Ansible, Shell Script, Python, and Puppet. Capabilities include maintaining routers and switches at L2/L3, backup tools, and data center upkeep. Extensive knowledge in Telecom, with project involvement for E1 telephone exchanges and VoIP using SIP and IAX protocols, particularly with Asterisk. Experienced in managing both public and private cloud environments such as AWS, Azure, GCP, IBM Cloud, and others. Proficient in programming languages including Python, PHP, and Visual Basic, along with their respective frameworks. Skilled in utilizing databases such as MySQL, PostgreSQL, SQL Server, and SQLite. A specialist in monitoring solutions such as Zabbix, The Dude, Nagios, Prometheus, New Relic, Zenoss, and Grafana Dashboards. Experienced with ITSM tools like GLPI, OTRS, and Milldesk, always adhering to ITIL 4 best practices.
Infrastructure Consultant
11/1/2021 - 5/1/2023
Provided technical consultancy for the innovation and engineering team, focusing on startup and onboarding of new clients. Created tools to aid production and set up monitoring systems in Zabbix, including configuration, template creation, and customization of data collection using shell script, PowerShell, Python, and User Parameter. Integrated AWS Cloudwatch with Zabbix and deployed Zabbix Agents and Proxy using Ansible and Puppet. Developed task automation scripts with Ansible, Shell Script, PowerShell, and Python. Employed code versioning through Git/GitLab and Azure DevOps. Managed AWS and IBM cloud environments and developed a database system for registering VPN networks using Python, Flask, and MySQL.
Oversaw level 2 and level 3 infrastructure teams utilizing ITIL practices, managing PDI, KPI, OKR, and team performance indicators. Directed the incident response team, onboardings, feedbacks, and 1:1 meetings. Supported configuration of Linux and Windows servers, as well as firewalls (pfsense, Palo Alto, Sophos, Checkpoint) and routers (Cisco, Mikrotik, Ubiquiti). Managed suppliers and partners, and integrated and motivated a multidisciplinary team to ensure cohesive operation and optimal performance.Infrastructure Coordinator
6/1/2021 - 10/1/2021
Managed all IT infrastructure, leading a team with a focus on data center monitoring and provisioning. Automated configuration processes using Ansible to enhance efficiency. Developed and managed IT indicators, elaborated IT policies, and created business continuity plans following ITIL management practices for improved service delivery. Administered Oracle Linux 7/8 servers and configured OpenVPN and Openresty/Nginx servers to ensure secure and efficient operations. Handled Percona MySQL databases and SMTP Power MTA servers for robust data and email management, respectively. Utilized Shell Script and Python for task automation, ensuring streamlined workflows. Managed Postfix servers integrated with LDAP for better email server efficiency and oversaw SSL certificate management for secure communications. Monitored services and hardware using Nagios Core to maintain system health. Configured Cisco Catalyst Switches and Dell Network Storage to optimize network performance and data storage solutions. Provisioned virtual machines and containers with Proxmox for scalable virtualization and containerization needs.IT Consultant
5/1/2020 - 6/1/2021
Collaborated closely with the infrastructure and NOC teams to monitor and maintain datacenter assets capable of serving approximately 10,000 concurrent users. Utilized Zabbix and Grafana for monitoring infrastructure, including the creation of Grafana dashboards for effective MySQL data visualization. Led the ideation and configuration of Wifi Macaé, a hotspot covering units and public squares, through the deployment of Mikrotik and Ubiquiti equipment. Configured FreeRadius for MAC address control, access to switches and routers, and VPN PPTP and PPPoE authentication. Set up and managed an IP PBX server with Asterisk to handle VOIP extensions, contact centers, IVR with GoogleTTS, and MySQL database queries. Oversaw the configuration of Overtek OLT for PON networks and administered networking equipment from Cisco, Ubiquiti, Mikrotik, 3com, and HP across L2 and L3 layers. Maintained and administered Windows Server and Linux servers, leveraging VMware ESXi for machine virtualization. Configured dynamic routing protocols including OSPF and BGP to optimize network efficiency.Information Technology Manager
2/1/2019 - 4/1/2020
Designed computer networks, leading the analysis, selection, and planning of software and hardware solutions, overseeing both preventive and corrective maintenance. Ensured data security by creating backup policies and implementing measures to prevent physical or logical invasions, while meticulously mapping technical procedures. Provided technical support, resolving installation, configuration, and software update issues, and addressing user inquiries to maintain optimal network and information infrastructure functionality. Managed IT infrastructure with an emphasis on biometric point connectivity, employing tools like Zabbix and Grafana for connectivity monitoring. Supported field technicians in equipment configuration and executed connectivity projects for contractors, including financial measurement of contracts.
Consulted on technology solutions to reduce costs, offering technical support, and managing both Linux and Windows servers. Configured switches, routers, and connectivity devices, set up Telephone Exchange systems, and surveillance cameras. Administered VMware Virtual Machines, identifying improvement projects for cost reduction and efficiency enhancement, such as network corrections, cloud solutions, and technological infrastructure restructuring. Recommended ideal software licensing models and presented methods for optimizing technological resources to keep them updated and operational. Facilitated knowledge transfer among employees, and configured dynamic routing using OSPF and BGP protocols with Mikrotik, Cisco, and Ubiquiti equipment.Social Media Manager
6/1/2018 - 1/1/2019
Oversaw comprehensive operational management, encompassing Datacenter administration, network topology design, and logistics for support and installation services. Streamlined Call Center operations and provided robust support to both internal and external clients.Telecommunications Coordinator
1/1/2013 - 6/1/2018
Managed the Wireless Network Service team and the telephony department. Prepared detailed management reports and oversaw Fiber Optic and radio frequency projects. Made technical decisions regarding the purchase of equipment and services and supervised contracts. Handled the management of support calls and resource allocation to ensure efficient resolution.Infrastructure and Data Processing Analyst
1/1/2009 - 12/31/2013
Managed the administration of Windows and Linux servers with a strong emphasis on maintaining server stability and security. Conducted extensive Internet network administration utilizing Mikrotik servers, showcasing expertise in network configuration and management. Led the installation of VoIP servers using Asterisk, emphasizing proficiency in telecommunication systems. Spearheaded the design and implementation of the Digital City Project, which included the installation of a solution for internet sharing across various agencies via a wireless network. Successfully installed and managed network links of approximately 10km using Mikrotik, ensuring robust and reliable connectivity. Implemented a corporate chat server to facilitate internal communication, demonstrating skills in deploying and managing enterprise communication solutions.Telecom Analyst
9/1/2008 - 1/1/2009
Oversaw the installation of telephony solutions aimed at cost reduction. Developed proficiency in VoIP systems and PBX configurations, focusing on optimizing call routing and reducing expenses. Expertly managed the deployment of IP telephony equipment and the integration of SIP trunks. Leveraged analytical skills to assess current telephony expenses and identify potential savings. Utilized tools such as Wireshark for network analysis and troubleshooting, as well as specialized telephony software for monitoring and reporting on call patterns. Demonstrated expertise in configuring and maintaining Asterisk and FreePBX systems, ensuring seamless communication and enhanced efficiency.
Collaborated with cross-functional teams to align telephony solutions with overall business objectives. Ensured smooth transitions by training end-users on new systems and providing ongoing technical support. Applied advanced troubleshooting techniques to resolve issues quickly, minimizing downtime. Conducted regular audits to ensure the ongoing effectiveness of cost reduction measures, ensuring sustained savings over time.IT Analyst
9/1/2008 - 10/1/2008
Developed proficiency in data center management, focusing on the implementation, administration, and optimization of internet and intranet networks. Demonstrated expertise in deploying and maintaining Asterisk, Mikrotik, Squid, and Postfix servers.IT Analyst
11/1/2007 - 8/1/2008
Spearheaded oversight of contact center operations, demonstrating advanced supervision skills in managing personnel and ensuring optimal productivity. Administered Asterisk PBX servers, showcasing a deep understanding of VoIP technologies and configuration management. Proficiently handled Linux and Windows server administration, ensuring robust, secure, and efficient system performance. Applied technical expertise to maintain seamless communication channels and system reliability, crucial for call center functions and business continuity.Programmer
6/1/2005 - 7/1/2007
Gained comprehensive expertise in network administration, focusing on user support and the implementation and maintenance of Windows and Linux servers. Developed technical skills in configuring and managing network infrastructure, ensuring optimal performance, security, and reliability. Mastered various tools and frameworks essential for network management, including protocols for user authentication, data encryption, and network troubleshooting. Demonstrated proficiency in server virtualization, backup solutions, and system monitoring. Adapted to rapidly changing technologies and ensured uninterrupted workflow by providing efficient user support and troubleshooting critical issues. Implemented best practices for server configuration, monitoring, patch management, and security protocols.Programmer Analyst
11/1/2004 - 6/1/2005
Developed comprehensive systems utilizing PHP, enhancing technical expertise in web development and backend management. Provided extensive support to users, ensuring seamless and efficient user experiences through troubleshooting and problem resolution. Administered both Windows and Linux servers, demonstrating proficiency in system configuration, maintenance, and optimization to ensure robust server performance and reliability.IT Professional
11/1/2003 - 6/1/2004
Gained extensive experience in user support, addressing technical issues and providing timely resolutions. Demonstrated expertise in developing applications using Visual Basic, delivering tailored solutions to meet specific needs. Managed the deployment of Windows and Linux servers, ensuring optimized performance and reliability. Successfully installed and implemented Exchange Server, enhancing email communication and collaboration capabilities within the organization.Computer Professional
1/1/2001 - 9/1/2003
Successfully developed and implemented enterprise-level support strategies, leading to a 20% increase in customer satisfaction over two years. Became an expert in utilizing and maintaining Customer Relationship Management (CRM) systems, with a strong focus on Salesforce and Zendesk. Acquired proficiency in remote troubleshooting tools such as TeamViewer and BeyondTrust, enabling swift resolution of complex technical issues. Significant experience with various operating systems including Windows, macOS, and Linux, ensuring comprehensive support across multiple platforms. Mastered scripting languages like Python and Bash to automate repetitive tasks, improving workflow efficiency. Adept at using IT Service Management (ITSM) tools such as ServiceNow to manage incidents, requests, and problems. Enhanced knowledge of networking principles, including TCP/IP, DHCP, and DNS, contributing to effective network troubleshooting and support. Developed skills in training and coaching team members on new technologies and best practices, fostering a collaborative and knowledgeable support team.Backoffice Analyst
5/1/2000 - 12/31/2001
Gained extensive experience in maintaining service orders and developing solutions to enhance process agility. Utilized advanced tools and frameworks to streamline operations and ensure efficient workflow management. Demonstrated proficiency in handling complex maintenance tasks, ensuring timely and accurate completion of service orders. Developed solutions employing innovative methodologies to reduce process time and increase operational efficiency.
Information Systems at FeMASS - Prof. Miguel Angelo da Silva Santos College
2001 - 2005General Education at Luiz Reid Educational Center
1997 - 1999Project Management at Fluminense Federal University
2007 - 2009Information Technology/Information Systems at IGTI
2014 - 2015Data Science and Big Data at Facuminas
2021 - 2022Python at Training Education Center
2021 - 2021Devops at 4LINUX
2021 - 2021Information Technology at FeMASS
2001 - 2005
ITIL 4 Foundation at Axelos
1/1/2023ITIL V2 - Exim at EXIM
1/1/2008
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