David Orozco Hernández

David Orozco Hernández  new_releases

About

Detail

Systems and Telecommunications Engineer - Computer Systems Technician
Manizales, Caldas, Colombia

Contact David regarding: 
work
Full-time jobs
id_card
Internships

Timeline


work
Job
school
Education

Résumé


Jobs verified_user 0% verified
  • Caja Los Andes
    Data QA Engineer public Remote experience
    Caja Los Andes
    Dec 2025 - Mar 2026 (4 months)
    I worked as a QA specialist focusing specifically on data quality within a GCP cloud environment My role involved validating the integrity, consistency, and quality of data during ingestion and transformation processes, primarily using BigQuery and SQL queries Data validation in BigQuery using SQL queries on large volumes of data Verifying consistency between datasets at different stages of the data flow Validating ETL processes to ensure that transformations comply with business rules Identifying inconsistencies, duplicates, and null values in the data Data validation following infrastructure deployments managed with Terraform Testing data pipelines in a GCP environment Documenting findings and reporting inconsistencies
  • I
    Independent Projects public Remote experience
    Aug 2024 - Current (1 year 11 months)
    During this time, I worked as a freelancer on various projects, focusing primarily on QA automation, data validation, and front-end development I helped various clients ensure the quality of their applications and data, as well as develop web solutions QA Automation / APIs API test automation using Postman Endpoint validation (GET, POST, PUT, DELETE) Verification of status codes, response times, and data structure Execution of functional and regression tests Data QA / Data Validation Data validation using SQL in relational databases Comparison of data between APIs and databases Detection of inconsistencies, duplicates, and null values Functional validation of ETL processes Data quality analysis across different data flows
  • Source Meridian
    QA Automation Engineer - Data Quality public Remote experience
    Source Meridian
    Feb 2021 - Jul 2024 (3 years 6 months)
    As a QA Automation Engineer, I have a strong background in manual and automated testing to ensure software quality at all stages of development, familiarity with agile methodologies and skills in automated test design, development and execution, plus expertise in key tools and technologies for automation and QA, as well as ability to collaborate effectively with the team to solve problems and improve processes. Experience and Expertise: Manual and Automated Testing: Experience designing, executing and maintaining manual and automated tests to ensure software quality. Agile Methodologies: Familiarity with agile methodologies such as Scrum, and ability to work in sprints and development cycles. Automation Languages and Tools: Python: Expe
  • C
    ISP Installation Technician
    CAFENET Comunicaciones S.A.
    Jul 2020 - Feb 2021 (8 months)
    ISP Installation Technician, responsible for ensuring the installation, configuration and maintenance of Internet services for residential and business customers, including installing network equipment, configuring connections and troubleshooting technical issues. Experience and Expertise: Equipment Installation and Configuration: Experience installing and configuring network equipment such as modems, routers and switches. Knowledge of different types of Internet connections and their installation requirements. Knowledge of Networking and Connectivity: LAN/WAN Networks: Familiarity with local and wide area networks, including network configurations and connectivity troubleshooting. Network Protocols: Knowledge of major network protocol
  • Distribuidora Mundial la Estrella
    Computer Equipment Technician
    Distribuidora Mundial la Estrella
    Jun 2018 - May 2020 (2 years)
    - Lead Technician - I led the technical operations related to the maintenance, installation and support of computer equipment. Coordinated the technical team to ensure a stable and efficient technological infrastructure, resolving incidents and managing system improvements.
  • Servicol Ltda
    Sales Operator Mapfre Codensa
    Servicol Ltda
    Sep 2014 - Dec 2014 (4 months)
    Responsible for contacting potential customers to offer insurance products and financial services. My duties included providing clear information, resolving inquiries, following up with interested clients, and closing sales. I was also in charge of meeting monthly targets and logging all interactions in the customer management system (CRM). This role strengthened my communication, persuasion, and customer-focused skills.
  • Emergia
    Simyo Customer Service Operator
    Emergia
    Aug 2014 - Apr 2016 (1 year 9 months)
    Responsible for handling calls and customer requests related to mobile services, billing, portability, and device setup. I provided basic technical support, resolved issues, and managed plan changes or cancellations. This role helped me develop active listening skills, problem-solving abilities, and efficient customer service.
  • D
    Operator CRC Móviles
    Digitex International S.A.S.
    Sep 2011 - Jul 2012 (11 months)
    In charge of providing customer service in the Communications area, resolving inquiries, handling complaints, and performing processes such as activations, top-ups, and mobile line adjustments. My role required agility, accuracy, and empathy to ensure clear and satisfactory service for users. Additionally, I utilized chat support skills to enhance communication efficiency, allowing for quicker resolution of customer issues and improving overall user satisfaction. Furthermore, my experience in mobile technical support enabled me to address complex inquiries effectively, ensuring that customers received comprehensive assistance tailored to their needs.
Education verified_user 0% verified
  • Universidad de Manizales
    Systems and Telecommunications Engineering
    Universidad de Manizales
    Jan 2016 - Mar 2021 (5 years 3 months)
    A degree focused on the design, implementation, and management of computer systems, communication networks, and information technologies. It combines knowledge in programming, databases, electronics, networking, cybersecurity, and IT infrastructure management to develop comprehensive solutions in digital environments.
  • ACADEMIA NACIONAL DE APRENDIZAJE
    Computer Systems Technician
    ACADEMIA NACIONAL DE APRENDIZAJE
    Jan 2010 - Nov 2011 (1 year 11 months)
    Computer Systems Technician with training in technical support, equipment installation and maintenance, basic networking, IT security, and operating system administration. Skilled in providing efficient solutions in technological environments, assisting end users, diagnosing hardware and software issues, and ensuring proper operation of IT systems. Focused on continuous improvement, attention to detail, and teamwork.