Nelson De Freitas
Technology Consulting Specialist, Coach Tech, IT Manager, Project IT Manager, Security Specialist, SEO, Web Technologies
IT Specialist with a wide experience offering consulting services, technical support, helpdesk and all related areas to information technologies, such as: communications (Networks, VPNs, routers, Internet Access, NAS, VoIP), security (IPsec, WAP, Radius, LDAP, SSL, Active Directory), Web Technologies (Apache, PHP, CSS, Javascript, Ajax, Perl), servers (WEB, Active Directory, SAMBA, FTP, DNS, Intranet, Linux, AIX, SCO, HP UX, Linuxware, RAID), DB Manager (Mysql, PostgreSQL, Oracle, Informix, DB2, Microsoft SQL Server, Access, MariaDB), WEB (SEO, Joomla, WordPress, Magento, Prestashop, Dolibarr, Vtiger, SugarCRM, SMF, WooCommerce, OSCommerce, VirtueMart), Mobile Devices (Swift), Hardware (overclock, Server Settings, communications devices, security devices), preventive and corrective Maintenance, Additionals Knowledge in Digital Marketing, Marketing, Corporate Image, Corporate Identity, Strategic Management Consulting, Great Interpersonal Relationship, Quick Adaptation to new work environments, Good Stress Management under pressure, Staff Management, very motivated and always proactive facing all new challenges. I consider myself communicative, empathetic, assertive and resilient.
During these 11 years of experience in the field of computer consulting, I have advised and improved the technological platform of more than 20 companies in different professional areas, ranging from the purchase of equipment to communications issues, on-site support and maintenance of the entire infrastructure, management of web technologies for different clients of different branches, as well as technical assistance at the corporate and residential on site as remote. I have also given training to clients and staff in different basic areas associated with information technology.
During the 8 years of work for this company I carried out actions of development and resolution of incidents for corporate clients such as IT outsourcing specialized in infrastructure in different sectors such as: Logistics, Communication, Retail, Storage, Distribution, Spare Parts, Health, Graphic Industry . During my experience in Media + PC I coordinated a multidisciplinary work team with 100% satisfaction of the clients in the developed projects, this at a really low cost thanks to preventive activities and a robust work methodology.
Throughout my experience at Tecsys I held various positions such as: IT Manager, Senior Technical Support Engineer, Senior Software Engineer performing functions such as implementation and support for Elite Series DMS, WMS, TMS, Eliteview, Foursite products , Provia WMS, as well as business intelligence and programming in more than 15 clients throughout the Americas; Performing installations in windows server / unix / linux, replica servers, backup, AD / Samba, database, Web development, Vpn between the offices in Chile - Venezuela - Colombia, maintenance of the infrastructure, maintenance of the administrative and HR software , CRM software, billing software, among other configurations and routine internal activities as many in the office of Venezuela as in Colombia in parallel.
During this year I was in charge of a warehouse that supplied food to the Tahona Branch Office, some of positions that covered: Warehouse Manager, Inventory management, Coordination of reception and dispatch, Supervision of storage, rotation and relocation of inventory, Administration of changes to suppliers, Handling Cross-Docking. In this work I had a high level of education with respect to customer service, values and integrity, I held a multitude of positions in the stores that covered: Cashier coordinator. Money count coordinator, Cashier, Distiller, Multifunctions.
Course Objectives:
- Administration tools.
- Instance management.
- Configuring the network.
- Security.
- BBDD storage.
- Space Manage.
- Managing Undo data.
- Concurrence of data.
- Implementing an Oracle database audit.
- Introduction to backup and recovery.
- Developing DB backups.
- Developing recoveries of BBDD.
- Moving data.
- Database Maintenance.
- Introduction to performance management.
- Managing performance: SQL tuning.
- Using the Resource Manager of the BBDD.
- Using Oracle Scheduler to automate tasks.
Course Objectives:
- Oracle 9i installation requirements.
- Configurations to prepare installation of Oracle 9i.
- Installation of Oracle 9i.
- Use the globalization support functions.
- Manage tablespaces, segments, extensions and blocks.
- Manage users, privileges and resources.
- Create an operational database.
- Start and close an instance and an Oracle database.
- Manage Oracle database files.
Content:
- Design, configuration and administration of addresses, masks, names and subnets.
- Configuration and basic DNS administration.
- Configure, modify, activate, manipulate and manage TCP / IP Network Services.
- Verify and monitor the Network interfaces, its services and daemon.
- Configure, modify, activate, manipulate and manage Routing Services TCP / IP network.
- Basic Configuration of Unix-based Systems such as Gateway-routers
- Configuration and administration of NFS.
- Configuration and administration of Remote Printers.
- Detect and solve Connectivity problems.
Course content:
- File Systems Manage.
- Creation, delete and maintenance of partitions.
- Manage partitions types.
- Manage operating system Swap.
- Administration and operation of Logs,
- Installation, Administration of packages with both Debian and RedHat.
- Dependency Resolution,
- Package compilation and error handling.
- Demon Management and Services.
- Administration LPD, LPR and CUPS.
- Installation, configuration and integration of Samba to windows network.
- Installation and administration of SSH and public and private certificates.
- Installation of FTP Services, Telnet.
- X-Windows environment
- Kernel compilation and update.
- Supervision of processes and resources.
- Functioning of directory structure and permisology.
Content:
- Periodic procedures of administration and basic configuration of the system.
- Fundamentals of administration and basic TCP / IP network configuration.
- Accounts for users.
- Manage and configuration of terminals.
- Manage and configuration of printers.
- Backup and recovery of files.
- Security problems and access control.
Course content:
- User administration.
- Permisology files and directories.
- Administration of file systems.
- Administration of partitions.
- Administration of communications services.
- TCP / IP configuration.
- Configuration of printers.
- Connectivity.
- Remote Printers.
- Management of graphics environment.
- Configuration of DNS Services, NFS, SMB, LPD.
- Log administration.
- Creation and management of raw partitions.
- Shell programming.
Maximum thesis score and publication mention.
4 Days of Conferences and Tutorials to the world related to Linux.