Mathieu CASTELL

As a proactive IT manager with more than 10 years of experience in Information Technology including Business Analysis,
Project Coordination and Management, I am very excited by the opportunity to contribute my knowledge and skills towards
your organisation.

Known for being highly motivated to face new challenges as well as being able to blend deep technical capabilities with
good communication and leadership skills to achieve all goals set.

A knowledgeable mentor able to drive productivity, motivate cross-functional teams and improve processes. A dependable
problem solver who always seizes opportunities to improve.

IT Supervisor | ENTERPRISE HOLDINGS INC. – Headquarters – Paris, France
December 2019 – Today

Key Responsibilities

• IT Strategy :
  Supervising a team of 4 IT experts: Network, Infrastructure deployement, Mobility and Security
  Talent management, creation of a skill matrix to identify developement opportunities
  Responsible for IT department supporting 1000+ users France-wide and 39 Microsoft Windows servers
  Financial management by owning IT suppliers relationship including costs management and service delivery
  (CapEX/OpEX related to IT)
  Development of the IT Risk Management in alignment with the business strategy
  Stakeholder management for multiple EU projects
  Verifying all IT infrastructure solutions are in accordance with GDPR and EU laws
  Ensuring SLAs are respected for all projects
  Regular reports to Business leaders
   
• Key Achievements/Projects
  Future Branch Technology – Refreshing all internet circuits with DMVPN technology connected to our EU
  DataCenters
  Future Payement Program – Refreshing all payement devices with new Lane3000 Ingenico devices
  WiFi 6 installation for Headquarters – Meraki Access Points
  WiFi circuit installation in non-covered locations
  Teams meeting room implementation
  Data migration from local server to EU Datacenter
  Branch opening with new circuit provider
  More than 70k€ of costs saving by negociating contract with circuit provider
  Softphone solution implementation to allow users to work remotely (Covid impact)

IT System Engineer | ENTERPRISE HOLDINGS INC. – Headquarters – Paris, France
October 2018 – December 2019

• Lead on Tablet Support for EU (Level 3)
  Ticket escalation management for Tier 3 (Mobility team)
  Working on MDM software for resolution (SOTI)
  Escalation internally and externally with our providers
  Knowledge Base writing and Process implementation
  Working with engineering teams to implement Wi-Fi on car park on several branches with bad coverage
  Weekly review with our partner to ensure processes are well respected and to anticipate upcoming issues
  Ticket trend analysis sent by our providers to optimise the support
   
• Ticketing Management – Service Now (SNOW)
  Managing EU queue for tablets support (Level 3)
  Managing French queue for System and Voice support (Level 3)
  Process implementation for French branches
  Knowledge base and process creation for business and EU IT
  Networking support for EU branches (Level 2)
   
• IT Infrastructure
  Server & Domain management
  Windows 2008+ environment, HPE and Dell Servers
  Hypervisor: VMware vSphere, Microsoft HyperV
  LDAP, Microsoft Active Directory
  Monitoring France servers and branches with Nagios
  Server migration (Azure) and decommission
  Building, upgrading and maintaining the internal network company

System Engineer | SOLUTEC | Contractor for Enterprise Holdings Inc. – Paris, France
October 2016 – October 2018

• Project Coordination EU
  Point of contact in France for Hardware Refresh project
  Lead for tablet deployment over 130 branches
  Branch and HQ IVR implementation and standardisation
   
• IT System Management
  Server management (Windows 2012+) – AD, DNS, DHCP, patching…
  Backup management
  Phone system implementation for France Headquarters (Kiamo)
  Profile/Group/Users creation
  Software Management and Maintenance
  IVR and phone system optimisation
   
• Ticketing Management – ServiceNow (SNOW)
  Support level 3 for all France support
  Support level 2 for EU Infrastructure

IT Engineer – Apprenticeship | FRAIKIN Services – Headquarters – Paris, France
October 2013 – September 2016

• Project Coordination
  Hardware refresh for all branches in France (~110)
  In the framework of 2.0 branches project, configuration and management of Wi-Fi Access point (Cisco)
  Installation, configuration and deployment of tablets to facilitate sales on branches
  VOIP implementation and mobile management with OBS
  Mailbox migration – From Thunderbird to Gmail
   
• IT Asset Management – Order, Reception, delivery and inventory of the IT and network equipment
   
• Helpdesk – Level 2 Support
  Ticket Management
  Advanced support, In-depth technical support
  Escalation to level 3 (if needed)
  IT infrastructure server management (Active directory/DHCP/DNS)
  Writing technical process and procedures

Master’s degree diploma – Business Analyst – ITESCIA – CERGY PONTOISE, 2015 – 2016
IIBA® Certification – International Institute of Business Analysis

Master’s degree diploma – IT Management – ITESCIA – CERGY PONTOISE, 2013 – 2015
Bachelor and Master, Networking and Sysadmin specialization

Advanced technician’s certificate – IT for Organizations – ITESCIA – CERGY PONTOISE, 2011 – 2013
Certificate, Infrastructure, Sysadmin, Network specialization

*All studies were served as an apprenticeship