Mario Pedraza
Network Support Engineer at SELTIC SAS- Claim this Profile
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Español Native or bilingual proficiency
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Inglés Professional working proficiency
Topline Score
Bio
Credentials
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EF SET English Certificate 69/100 (C1 Advanced)
EF Standard English Test (EF SET)Apr, 2021- Nov, 2024 -
Redes TCP/IP esencial
LinkedInNov, 2020- Nov, 2024 -
Building Arduino robots and devices
CourseraJun, 2020- Nov, 2024 -
Multinational Communication in the Workplace
LinkedInMay, 2020- Nov, 2024
Experience
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SELTIC SAS
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Colombia
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IT Services and IT Consulting
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1 - 100 Employee
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Network Support Engineer
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Mar 2022 - Present
Installing, configuring and supporting network equipment including routers, proxy servers, switches, WAN accelerators, DNS and DHCP. Procuring network equipment and managing subcontractors involved with network installation. Configuring firewalls, routing and switching to maximise network efficiency and security. Maximising network performance through ongoing monitoring and troubleshooting. Arranging scheduled upgrades. Investigating faults in the network. Updating network equipment to the latest firmware releases. These responsibilities are performed in projects of: IoT: Advanced metering infrastructure, Smartlighting. Telecommunications: SD-WAN, Fiber optic networks, wifi links, satellite connectivity. Electronic security: CCTV, VMS, fire detection, access control. Brands handled: Cisco, Meraki, Fortinet, MikroTik, Juniper, Donsun, RBH, Vivotek. Show less
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Autonomo-Freelance
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IT Services and IT Consulting
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100 - 200 Employee
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Freelance Design Engineer
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Aug 2014 - Present
Design and analysis of electronic systems under IPC 2221B standard (hardware, schematics, PCB layout and EMC optimizations). Software programming in C, C ++, Assembler, PHP, Ladder, LD, FDB, Grafcet language under internal requirements and customer regulations. Analog signal processing with microcontrollers (ADC - DAC). Management of CAD / CAM, AutoCAD, KissSys tools. Single-phase, three-phase electrical installations and ground systems. Selection and welding of electronic components. Development of reliability tests and design validation. Implementation of projects to production. Analysis and evaluation of projects. Development of electronic products at the request of customers and the general public. Projects carried out: design and manufacture of: Electronic sports board, frequency inverter for potato washer, temperature controller for chicken brood incubator, universal card for refrigerator, automotive sensor tester (MAP, MAF, ECT, CKP, TPS, ACT, RPM, O2, CMP, KS, EGR). Show less
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EMTELCO S.A.
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Colombia
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IT Services and IT Consulting
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700 & Above Employee
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Technical Help Desk Specialist
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Jun 2021 - Feb 2022
Proactively provide technical troubleshooting to address problems of Tigo clients. Create tickets for customers as needed to track issues. Dispatch/Assign tickets to appropriate team members/technicians, scheduling time on their calendars as needed. Monitor call & ticketing queue for incoming service and support requests. Following up to keep customers informed on tickets/cases-escalating as necessary. Utilize carrier and vendor portals and systems to resolve customer issues. Proactively provide technical troubleshooting to address problems of Tigo clients. Create tickets for customers as needed to track issues. Dispatch/Assign tickets to appropriate team members/technicians, scheduling time on their calendars as needed. Monitor call & ticketing queue for incoming service and support requests. Following up to keep customers informed on tickets/cases-escalating as necessary. Utilize carrier and vendor portals and systems to resolve customer issues.
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EMTELCO S.A.
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Colombia
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IT Services and IT Consulting
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700 & Above Employee
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Technical Support Representative
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Jul 2020 - Apr 2021
Provide first level technical advice to Tigo UNE's customers regarding the Telecommunications services (IPTV, Internet ADSL, GPON, VDSL and UMTS, Copper Pair Telephony, IP-GPON and UMTS Telephony) that the company provides at National level, perform the configuration of Routers of multiple brands. Provide first level technical advice to Tigo UNE's customers regarding the Telecommunications services (IPTV, Internet ADSL, GPON, VDSL and UMTS, Copper Pair Telephony, IP-GPON and UMTS Telephony) that the company provides at National level, perform the configuration of Routers of multiple brands.
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Compañía Integral de Negocios CINCO S.A.S
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Medellín, Antioquia, Colombia
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HFC Network Technician
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Feb 2020 - Jul 2020
Installation of hybrid fiber optic and coaxial cable networks, internet, telephone and television services for Claro clients. Check daily the stock of materials, the condition of the mobile unit, work tools and equipment. Perform maintenance of breakdowns presented by customers. Installation of hybrid fiber optic and coaxial cable networks, internet, telephone and television services for Claro clients. Check daily the stock of materials, the condition of the mobile unit, work tools and equipment. Perform maintenance of breakdowns presented by customers.
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Almacontact Colombia
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Colombia
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IT Services and IT Consulting
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300 - 400 Employee
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Junior Sales Representative
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Nov 2019 - Feb 2020
Receive and assist customers and passengers with their airline tickets reservations from Latam Airlines, in addition to providing information on dates, itineraries, availability and prices. Sell air tickets and other products offered by the airline and provide assistance to passengers with their concerns or complaints, such as schedule changes or flight suspensions. Receive and assist customers and passengers with their airline tickets reservations from Latam Airlines, in addition to providing information on dates, itineraries, availability and prices. Sell air tickets and other products offered by the airline and provide assistance to passengers with their concerns or complaints, such as schedule changes or flight suspensions.
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Leomar Computer's
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Táchira, Venezuela
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IT Technical Support Engineer
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Nov 2018 - Sep 2019
Technical support to customers. Maintenance to PC, Laptop, Mobile and Tablet. Microsoft / Linux network and server administration. Installation, maintenance and configuration of LAN, WAN, WLAN networks infrastructure. Installation and maintenance of Windows OS, Linux. Installation and maintenance of CCTV systems, access control and alarms. Technical support to customers. Maintenance to PC, Laptop, Mobile and Tablet. Microsoft / Linux network and server administration. Installation, maintenance and configuration of LAN, WAN, WLAN networks infrastructure. Installation and maintenance of Windows OS, Linux. Installation and maintenance of CCTV systems, access control and alarms.
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A,S. 27 C.A San Cristóbal, C.A.
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Táchira, Venezuela
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Maintenance Technician
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Apr 2018 - Sep 2018
Operation and maintenance of the Sambil Mall air conditioning system, with its elements: cooling tower, chiller (Trane CenTraVac) Tracer CH530 controller with Techview software, centrifugal pumps, air handling units (UMA), injectors and extractors. Power system maintenance: electric sub-station and electric generator (Katolight D1000FRY4). ICM aquarium maintenance. Operation and maintenance of the Sambil Mall air conditioning system, with its elements: cooling tower, chiller (Trane CenTraVac) Tracer CH530 controller with Techview software, centrifugal pumps, air handling units (UMA), injectors and extractors. Power system maintenance: electric sub-station and electric generator (Katolight D1000FRY4). ICM aquarium maintenance.
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Pasteurizadora Táchira
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Venezuela
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Dairy Product Manufacturing
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1 - 100 Employee
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Electromechanical Technician
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Oct 2017 - Jan 2018
Responsible for preventive, corrective and predictive maintenance of: AC and DC motors, reducers, centrifugal, positive and vacuum pumps, agitators, frequency inverters, sensors, pasteurizers, homogenizers, cheese production and vacuum packaging equipment. Supervision of control systems, PLC programming Allen Bradley ControlLogix 1756-L55, Siemens S7-1200, Télémécanique Twido TWDLCAE40DRF. Installation of mechanical, electrical, pneumatic and hydraulic equipment in the company's production lines. Inspect equipment for general services such as boilers, compressors, and central cooling system by ammonia (NH3) and ice water. Show less
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Ocean DevGroup
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Venezuela
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Social Media Editor
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Jun 2017 - Sep 2017
Responsible for Ocean DevGroup clients social media presence. Manage social media pages like Twitter, Instagram and Facebook, but also create social media plans to execute over time. Responsible for create content for social media and ensuring that the company clients does not fall behind if a new platform takes off. Ensure the accuracy of information being shared online. Responsible for teaching other employees of the company how to use different social media platforms. Responsible for Ocean DevGroup clients social media presence. Manage social media pages like Twitter, Instagram and Facebook, but also create social media plans to execute over time. Responsible for create content for social media and ensuring that the company clients does not fall behind if a new platform takes off. Ensure the accuracy of information being shared online. Responsible for teaching other employees of the company how to use different social media platforms.
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IT Technical Support Engineer
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Oct 2016 - May 2017
Technical support to customers. Maintenance to PC, Laptop, Mobile and Tablet. Microsoft / Linux network and server administration. Installation, maintenance and configuration of LAN, WAN, WLAN networks infrastructure. Installation and maintenance of Windows OS, Linux. Installation and maintenance of CCTV systems, access control and alarms.
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Commercial Advisor
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May 2016 - Oct 2016
Responsible for the administration and management of point of sale and cash, computer vendor, mobile telephony and various computer products, achieving goals set in the company's sales budget, actively maintaining customer relationships, achieving permanent loyalty of the same. Maintain a constant search for new customers and markets. Sales budget management.
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La Italiana Construye C.A.
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Venezuela
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Telecom Field Engineer
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Mar 2015 - May 2016
Group leader responsible for the Movistar network (Telefónica Venezuela) in the Andes Region. Corrective and preventive maintenance of the network and the different radiobases, with GSM (Nokia), UMTS and LTE (Huawei) technologies. T-Data network maintenance of corporate clients, last mile links: Ericsson, Alcatel, Nera, Siae, Huawei and Ceragon. Preserve the transport network: PDH, SDH, fiber optic links, ECI multiplexers, NE40. Inspection of the external alarm system (SDH, PDH, GSM, UMTS, LTE radios). Maintenance supervision at the infrastructure level (Civil Works, Electrical System, Energy Backup (Batteries, power plant), air conditioning systems (A / C), fire detection system, grounding system). Show less
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Servisys C.A
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Táchira, Venezuela
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Telecom Field and Proyect Engineer
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Aug 2014 - Feb 2015
Field Engineer. Implementation, installation and Detail Engineering (Memories, plans and reports) for CDMA, GSM, UMTS and LTE projects of different operators (Movilnet, Movistar and Digitel) .Migrations, addressing, alignment, installation and execution of microwave links ( Movistar, Digitel and Movilnet) and corporate links [Movistar - NE40, PTN, SAR8] (alu network). Installation of Huawei, Ericsson, Alcatel, Ceragon, Siae radios. Cisco Router Configuration. Field Engineer. Implementation, installation and Detail Engineering (Memories, plans and reports) for CDMA, GSM, UMTS and LTE projects of different operators (Movilnet, Movistar and Digitel) .Migrations, addressing, alignment, installation and execution of microwave links ( Movistar, Digitel and Movilnet) and corporate links [Movistar - NE40, PTN, SAR8] (alu network). Installation of Huawei, Ericsson, Alcatel, Ceragon, Siae radios. Cisco Router Configuration.
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CVG Bauxilum
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Bolívar, Venezuela
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Internship
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Feb 2013 - Jun 2013
Execution of PLC migration project in barge loader. PLC management and migration. Management and Installation of Human Machine Interfaces (HMI). Management and maintenance of systems for measuring pressure, temperature, flow, level, and instrumentation for control. SCADA system development. Improvements to conveyor belt instrumentation diagrams. Program design and control routines for conveyor belt. Execution of PLC migration project in barge loader. PLC management and migration. Management and Installation of Human Machine Interfaces (HMI). Management and maintenance of systems for measuring pressure, temperature, flow, level, and instrumentation for control. SCADA system development. Improvements to conveyor belt instrumentation diagrams. Program design and control routines for conveyor belt.
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Education
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2006 - 2014
Universidad Nacional Experimental del Táchira
Electronic Engineer, Ingeniería eléctrica y electrónica -
2019 - 2020
Servicio Nacional de Aprendizaje (SENA)
Management and Security in Databases, Modelado y almacenamiento de datos/Administración de bases de datos
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