
Aristide S. Santos
Chief Information Officer / Program Director
Salaire / Taux journalier
Paris, France
Freelance
Peut venir sur site
Expertises
Langues
À propos
Introduction
CIO with 25+ years transforming IT operations across global organizations Led €10M digital transformation and critical application upgrades at Baobab Group, scaling from 35 to 75 applications while reducing cloud costs by 6%. Expert in migration of critical applications microservices architecture, and managing distributed teams across multiple countries.
Expérience de travail
Group Head of IT / Chief Information Officer
Baobab Group
mai 2023 - juil. 2025
2 ans 3 mois
Paris, France
In charge of : Delivery, Infrastructure, Operational Security, Support, Operations, Office Automation, Cross-functional programmes and projects for the Group Management of teams of 70 people spread across two continents (UE, Africa) Coordination of local IT departments and teams in subsidiaries (SEN, CIV, MLI, BFA, NIG, COD, MDG, CHN); external service provider (for MicroCred TUN) Definition and deployment of the 3-year IT strategy IT transformation : - restructuring of activities and teams - digitisation of front-end systems (web and mobile applications, including USSD) - migration (redesign and migration) of critical applications (including the Core Banking System); - deployment of CRM application - deployment of real-time monitoring; transformation to a micro-services architecture - industrialisation of RPA - AI (for monitoring) - decentralisation of IT at subsidiary level - Implementation and deployment of partnerships with schools and ESN Key figures: Deployment of Agile methodology: from 0 to 5 areas covered Growth of the IS with budget control: x6 applications/services (75), +37% usage, -6% Cloud bill (€1.8M) Annual budget of €10M (CAPEX + OPEX), including 20% on the cloud Stability of incidents despite growth in scope and volume +200 projects / year, including 30% larger than 100 man-days
IT Sr Service Manager - Program Director
SFR
mars 2014 - mai 2023
9 ans 3 mois
Paris, France
Management of a wide area of critical applications covering Front (CRM), Middleware and Back Office (rating/billing) areas, devoted to french B2B and B2C markets Lead of Transformation with succesful results, implementing several delivery models depending on efficiency and cost reduction targets (offshore, nearshore) Team Management of technical & functional experts, and project leaders Contract management of offshore and nearshore providers Strategic Program Director, with large sucess achievements such as : * Transformation of a large an critical single centric COBOL-coded monolistic application into several wide and specialised open systems, * Digital innovation and transformation to move towards DevOps, K8s, KAFKA, VMWare technologies * Full availability and high level of security access (including over two distant sites) Budget : over 5M€
SFR
févr. 2003 - mars 2013
10 ans 2 mois
SFR (92000 - France)
IT Team Leader
janv. 2011 - mars 2013
2 ans 3 mois
SFR (92000 - France)
Management of Rating and Billing critical applications dedicated to B2B and B2C Telecommunications market. Management of a team of Project Managers, in charge of transversal projects (up to 3M€/project), impacting several entities (Network, IT, Business, etc.) Budget : more than 10000 MD per year
Software Qualification Manager
févr. 2005 - janv. 2011
6 ans
In charge of : * Transformation of the Integration & Validation Entity, following large externalisation of Testing resources * Quality Insurance of IT Testing processes, tools, and Source Code Qualification to cover 150 applications, within outsourcing context. Industrialisation through set up of major tools such as: CAST Software, Quality Center
Assurance Revenu Application Manager
févr. 2004 - janv. 2005
1 an
Management of IT applications dedicated to Assurance Revenu domain; over 20M€ financial recovery.
Assistant Program Manager
févr. 2003 - mars 2004
1 an 2 mois
Paris Area, France
Management of the largest IT european program (~300M€), in charge of : planning, reporting, training, deliverables
Capgemini
janv. 1999 - déc. 2003
5 ans
Chef de projet; expert billing
janv. 2000 - déc. 2003
4 ans
Project Manager & Architect
janv. 1999 - déc. 2003
5 ans
Project & Program manager
Cap Gemini Ernst & Young
mai 1999 - mars 2003
3 ans 11 mois
Manager of several projects over Europe (Spain, Portugal, Italy, Sweden, Norway, France) and Mexico. Billing expert & architect on Infranet (product of Portal Company)
Software developer; Team Leader
Bull
janv. 1996 - déc. 1999
4 ans
PhD Trainer
INRIA
janv. 1992 - déc. 1995
4 ans
Sophia-Antipolis
Formation
Mines Paris - PSL
PhD, Aeronautics, Real-Time computing, Automatics
1992 - 1995
4 ans
ISAE-SUPAERO
Master of Specialisation + DEA, Automatics & Robotics
1990 - 1991
2 ans
ENAC - Ecole Nationale de l'Aviation Civile
Engineer, Aeronautical
1987 - 1990
4 ans
Portfolio

Restructuration des équipes ingénierie Réseau et Delivery

Migration d'un système monolithe MVS en 6 référentiels connectés à 80+ applications
