Montassar Hssainia
Senior Project Manager | Billing & Collections
Salaire / Taux journalier
Paris, France
Freelance, ouvert au CDI
Expertises
Langues
À propos
Introduction
Project Manager & Billing Expert with 15+ years in O2C, contract management, and financial operations across telecom and consulting. Led billing transformations at Sopra Steria and Sofrecom, specializing in SAP FICO and process optimization. Delivering streamlined financial workflows and enhanced cash collection for enterprise clients.
Expérience de travail
Chef de projet informatique (Bénévole)
Guild Open TechFreelance
avr. 2025 - Présent
1 an 7 mois
Billing Coordinator expert
Confidential
avr. 2023 - Présent
3 ans 7 mois
Billing & cash collector manager
Sofrecom
avr. 2019 - mai 2023
4 ans 2 mois
BILLING, CASH COLLECTOR & RISK MANAGER / PROJECT MANAGER OFFICER
Sopra Steria
mars 2013 - mai 2019
6 ans 3 mois
Regulatory Affairs
Tunisie Telecom
déc. 2009 - mars 2013
3 ans 4 mois
Risk Manager
Poulina Group Holding
juin 2007 - déc. 2009
2 ans 7 mois
Formation
Amideast Education Abroad
Business English
2015 - 2015
1 an
SUP'COM
Master's in Information Technology and Communication
2007 - 2008
2 ans
ESSEC Business School
Master's Degree in Risk Management & Audit
2006 - 2008
3 ans
ESSEC Business School
Bachelor’s Degree in Finance
2002 - 2006
5 ans