Sergio Appesatto has a diverse work experience spanning over several years. Sergio started their career at Siemens in 1993 as a QA Test Engineer, primarily focusing on test cases creation, execution, and test report generation. Sergio was responsible for Patch Quality Test in areas such as ISDN, SS7, PRI, and Subscriber Features.
After their tenure at Siemens, Sergio worked at i2 Telecom International as a Technical Support Engineer Level 2. Here, they played a significant role in ensuring customer satisfaction, product and service quality, and led new product introduction and training. Sergio also provided tier 1 and 2 support.
Next, Sergio joined ISN Telcom as a Sales Support Engineer and Technical Assistance Engineer. In this role, they conducted sales demonstrations, introduced new prospects to products and services, and discussed installation challenges.
Following that, Sergio worked at Host.net as a Sales Support Engineer, where they actively participated in expanding the company's voice service customer base. Sergio generated new opportunities, designed solutions, prepared RFP/RFI responses, and maintained strong business relationships.
Sergio then moved on to Fusion, where they held multiple roles. First, as a Voice Switch Engineer, they focused on traffic quality assurance, monitoring and improving routes, and resolving issues related to average call duration and answer-seizure ratio levels. Later, as a Tier 2 and Service Implementation Manager, they administered Tier 2 support matters, exceeded customer expectations, and ensured timely response to issue resolution.
Currently, Sergio is employed at Hotwire Communications Ltd as a Voice Engineer, specializing in solutions implementation and voice network growth. Further details about this role are not provided.
Sergio Appesatto earned a Certificate in Telecommunications Engineering from the University of Buenos Aires in 1992-1993. Prior to that, they obtained a BSEE (Bachelor of Science in Electrical Engineering) specializing in Electronics from the University of Buenos Aires, where they studied from 1985 to 1991. Additionally, Sergio has no specified education history from PPN Career Source Broward.
August, 2014 - present
Lead Engineer at Charter Communications
Unix Linux System Administrator (lead Operations Engineer) at Lumen
Principal Information Security Engineer at Mastercard
Senior System Engineer at Lennar Corporation
VP Data Science & Software Engineering at Nasdaq
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