Maria Cecilia Mamani Tuso

International Business | Finance & Treasury Support Officer |

Peru

About

Professional with over 14 years of experience in finance, treasury, and administrative management, supporting key operations and ensuring accurate, efficient processes aligned with business objectives. In recent years, I have served as a Finance & Treasury Support Officer, managing treasury operations, bank reconciliations, payment control, processing of guarantee letters, and preparing financial reports that supported decision making. I also have 8 years of experience as an Administrative Assistant, a role in which I strengthened my organizational, coordination, and cross functional support skills. Thanks to my ability to improve service workflows, optimize processes, and work proactively and efficiently, I received a formal “Congratulations” letter recognizing the positive impact on the team and the quality of internal service. I am known for an analytical and detail oriented approach, a strong commitment to continuous improvement, and a proactive attitude aimed at driving efficiency and contributing to organizational success.

Experience

  • Haskoning (Full-time · 7 yrs 4 mos)
    • Finance & Treasury Support Officer
      Oct 2025 - Present · 10 mos

    • Financial and administrative assistant
      Apr 2019 - Dec 2025 · 6 yrs 9 mos

  • Asistente Administrativo - RED SABOGAL- ESSALUD at SAGEN OUTSOURCING GROUP SAC
    Apr 2016 - Apr 2019 · 3 yrs 1 mo

  • Asistente Administrativo - RED SABOGAL- ESSALUD at PROMOCIONES TEMPORALES SAC
    Dec 2015 - Mar 2016 · 4 mos

  • Asistente Administrativo - RED SABOGAL- ESSALUD at SAGEN OUTSOURCING GROUP SAC
    Apr 2015 - Nov 2015 · 8 mos

  • Sagen Perú Work S.A.C. (Lima, Peru)
    • Asistente Administrativo - RED SABOGAL ESSALUD
      Jun 2012 - Mar 2015 · 2 yrs 10 mos

    • Asistente Administrativo - RED SABOGAL ESSALUD
      Jun 2011 - May 2012 · 1 yr