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