Votre navigateur est obsolète !

Pour une expériencenet et une sécurité optimale, mettez à jour votre navigateur. Mettre à jour maintenant


Sebastien Desgranges

Sebastien Desgranges

Technical Project Manager

Saint Priest (69800) France
Consultant Open to opportunities
Highly skilled engineer with a passion for network solutions to bring further user added value, I played soon with core solutions in the emerging voice over IP market. Experienced technical manager in professional services, meeting expectations and creating confidence is a leitmotiv. Applying strong technical skills and interest in business to get involved in transversal mission in fast paced environment, open and ready for a position within a forward-thinking company where I can excel.

IT Technical Project Manager

Your company !
Since June 2019
  • Customer minded
  • Curious and eager to learn
  • Able to discuss with cross functional people
  • Thrive when I work with and/or for others
Detailed Description
  • Effort
  • Sharing
  • Teamwork
  • Improvement
  • Ethical
  • Fun
Company Description
You are looking for a Swiss Army knife, one leg in the machine, the other on plannings, contact me !

Infrastructures Project Manager

Flow Lines Technologies
November 2018 to April 2019
  • Public key account : Ville de Lyon - installed base : 500 switches, 900 MS/Lx/Aix servers, 130 applications for 15k users, 5k workstations, 3500 IP phones and others
  • Audit and support during handover of a complete third-party maintenance ownership on business applications and IT infrastructures (team of 7 people)
  • Project management: handling customer requests, processing effort estimations and planning, leading 7 technical project managers for 32 projects initialisation
Detailed Description
  • 1st and 2nd level ToIP support : Skype, Sonus, Genesys, Nice


Since October 2017
  • SME information systems consulting
  • SmartHome technical studies and prototyping : IoT and automation for energy efficiency
Detailed Description
  • SmartMetering mechanisms and interfaces
  • Load shedder algorithm development
  • ESP8266 C/C++ development
  • Protocols MQTT / EnOcean
  • Data harvesting : Docker / InfluxDB / Grafana
  • Energy Metering mechanism and interfaces

Technical Project Manager

Cloud Temple
May 2017 to October 2017
  • Managed customer ToIP transition project from IPBX in premises to SaaS model
    (EE, planning, integration and delivery))
  • UCaaS production platform supervision (Centile ISTRA + Oracle Acme Packet)
  • 3 people team management
Company Description
Cloud Temple is a specialised player of hosted solutions, critical IT systems supervision and third-party maintenance.

Project coordinator

December 2014 to October 2015
  • Project team coordination (up to 150 people)
  • Partnerships management
  • Wordpress platform implementation for collaborative work and project management
Company Description
Cultur’Hair propose hair dressing shows with thematic staging to promote art and competition of this trade.

Business development

December 2011 to June 2012
  • Led governance and company statutes reflection
  • Defined offer and business strategy, Seek partnerships and funds
  • Discussed technical solution design
Company Description
KPP is a company project based on web services dedicated to family relationships using numeric works and connected devices.

Planning and Control Manager (Delivery activities)

Comverse - NetCentrex
February 2009 to October 2011
  • KPI for a 130 people customer services department : 800 prospects initiated, 240 projects tracked
  • Built multi-currency (€/$) P&L reports for 10 main customers’ accounts ($40M PO Booked / 32k man.days)
Detailed Description
  • Implemented and promoted business tools (workforces schedules and delivery projects information)
  • Tracked Projects lifecycle and built KPI dashboards for project managers and VPs (Excel, VBScripts, Business Object)
  • Performed quarterly closing with multicultural FR/IL finance teams
Company Description
Comverse major player on mobile voicemail and added values services acquired NetCentrex in 2006 to combine both company experience in some fix-mobile converged solution (well known as UCaaS currently).

Technical Account Manager (Orange account)

Comverse - NetCentrex
July 2005 to February 2009
  • Close to the Project Director, I led teams (from 2 to 12 people) to manage any purposes from validation to deployment or upgrade migrations on NetCentrex platforms in Orange group (worldwide).
  • 3 new production platforms (100k business users each) and 1 Disaster Recovery Platform.
  • 12 features upgrades were validated and performed, 70 fix packs were applied in 3 years.
  • 20 platforms were tracked in configuration management (production, customer labs, internal labs).
  • Business solutions were mainly licenced by enterpises sites count : 10k Centrex Sites + 20k Business Trunk Sites were deployed.
Detailed Description
  • Managed technical activities, contributed in prioritizing and scheduling, controlled execution (PMI processes application)
  • Provided expertise in change request studies (anticipation, technical design, rollout process, effort estimation, planning)
  • Qualified tickets, prepared answers and fixes (CRM follow-up and team assignments) with strict configuration management
  • Managed technical risks ; issued acceptance reports ;
  • Technical customer referent on production crisis
Company Description
Orange deployed 5 million residential (Livebox) users on 5 platforms of 1 million residential lines with 99.999% availability.
5 Business solution platforms to support 100k users each.

International Customer Project Manager

December 2001 to July 2005
  • Led customers platforms roll out in EMEA within 2 or 3 people teams or third party integrators (hardware installations and software configurations in customer premises and data centers)
  • Delivered training to integrators : Italtel/IT, HP/FR, Alcatel/FR, Contactel/CZ, Lirex/BU
  • In time delivery of residential and business platforms for Alpi/ES, IpKoNet/HR, Jordan Telecom/JO
  • Crisis reestablishment : Lyse/NO (stability issues in production analysis and fix in 2 months), Orange-MaLigneVisio/FR (Project hand over with 4 months delay, team reorganization and delivery six month later with only 1 month overdue)
Detailed Description
  • Managed technical workshops, discuss customer service requirements and business cases, adjust purchase offer
  • Acted as an interface with R&D, product management, sales and customers : explain, adapt, and give confidence
  • Trained customers and managed Factory and/or Site Acceptances Tests
  • Acted as an interface with R&D, product management, sales and customers : explain, adapt, and give confidence
  • Designed solution architectures (hardware and logical) and produced project and technical documentation
  • Managed studies and third parties Interoperability tests (CPE, OSS / BSS, interconnection with other carriers networks)
  • Developed hot backup-restore and remote platform cloning (Linux scripting : Bash, AWK, file systems expertise)

Software Development Engineer

March 1999 to February 2002
  • Made telephony services high available and scalable in Linux servers farm (heartbeat, bonding, shell and AWK scripts)
  • Ported Softswitch from Windows to Linux Redhat over x86 and PPC (C/C++ state machines, VoIP and IN applications API)
  • Developed dedicated algorithms IPVS load balancer in Linux kernel modules and ethernet drivers
Company Description
Created in Feb 1999, NetCentrex was a startup specialist of Headend Voice over IP solutions for Residential and IPCentrex/Business Services for operators (ISP and Tiers1).