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Carlos David Sierra

administrative
Skills
(Self-evaluation)
Negotiating capacity. 100%
Attitude to service 100%
Adaptation to changes 100%
Commercial aggressiveness 100%
Team work 50%
Attention to detail 50%
Data analysis 50%
Network security 50%
Windows 50%
Linux 50%
Excel 50%
Process quality 50%
Leadership 50%
Working under pressure. 50%
Sales knowledge 30%
Languages
English:
  • Fala
    75%
  • Leitura
    80%
  • Escrevendo
    75%
Spanish:
  • Escrevendo
    100%
  • Leitura
    100%
  • Fala
    100%
French:
  • Escrevendo
    15%
  • Leitura
    20%
  • Fala
    10%
Professional profile

Work experience

Business Advisor
emtelco tigo telecomunicaciones | June 2025 - August 2025 (2 months)
Used skills
Account Executive
redinet/ grupo iws | December 2024 - April 2025 (4 months)
Used skills
Brand Development, Marketing, Manager
space music entertainment | January 2017 - January 2025 (8 years)
Used skills
Education experience
High School
Sintrafec hernan silva perez | High School
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