You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Jonathan GuerrierJG

Jonathan Guerrier

Network System Technician / Support N1,2,3

€200/day
Aubervilliers, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Jonathan

Motivated beginner in IT infrastructure, user support, and DevOps professions, I wish to assist companies in managing, maintaining, and improving their IT environments.
Curious, rigorous, and passionate about new technologies, I am developing my skills around:

Windows/Linux system administration
User support N1 / N2 / N3
Incident management and troubleshooting
Computer networks (TCP/IP, switch, VLAN, Wi-Fi, VPN)
Microsoft 365 and Active Directory tools
Virtualization and cloud environments
Automation and discovery of DevOps practices
Infrastructure supervision and maintenance
  • English

    Native or bilingual

Can work on-site
Aubervilliers (up to 50km), Paris (up to 50km)

Experience

  • Kyndryl
    Network and Mainframe System Administrator
    January 2022 - January 2024 (2 years)
    93160 Noisy-le-Grand, France
    Windows/Linux system administration
    N1/N2 technical support
    Automation via IBM Workload Scheduler
    Creation of Mainframe JCL
    IT supervision and operation
    IBM Db2 to Microsoft Azure migration project
    Incident management and infrastructure maintenance
    HIS application configuration and support
  • Syndicat Intercommunal Informatique
    Network System Technician
    January 2020 - January 2022 (2 years)
    93000 Bobigny, France
    • - Level 2-3 support
    • - Cisco switch and Wi-Fi access point configuration
    • - Supervision with Centreon
    • - VPN solution implementation
    • - Domain migration
  • Helpline (Client Veolia)
    Helpdesk and Desktop Technician
    January 2018 - January 2019 (1 year)
    92000 Nanterre, France
    Level 1 and 2 incident management
    Handling and processing user tickets
    Remote and on-site technical support
    Installation, configuration, and preparation of computer workstations
    User assistance on Windows environments and office tools
    Hardware and software incident diagnosis and resolution
    Computer inventory and stock management
    IT equipment maintenance and replacement
    Daily user support and assistance

Recommendations

Be the first to recommend Jonathan

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Cloud DevOps Engineer
    La Capsule
    2026
    Engineer Devops Cloud
  • Cyber Expert
    (Aston) Arcueil
    2025
    Expert en Cyber

Categories