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Harold ThabizeHT

Harold Thabize

Systems Engineer

€400/day
Corbeil-Essonnes, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Harold

I support organizations in the operation, security, and continuous improvement of their information systems, with an approach focused on reliability, security, and service continuity.

With experience in L2/L3 IT support and systems and network administration, I am involved in incident management, identity and access management (Active Directory, rights management, GPOs), as well as the implementation and maintenance of Windows and Linux infrastructures. I have worked in structured and demanding environments requiring rigor, traceability, and adherence to procedures.

I also contribute to technical projects such as the deployment and migration of virtualized servers (VMware / vCenter), the implementation of backups and recovery plans (Veeam), and the writing of technical documentation and operating procedures.

Autonomous, rigorous, and customer-service oriented, I can quickly adapt to client environments, analyze technical issues, and propose reliable and secure solutions. Curious and motivated, I am committed to continuous skill development and knowledge sharing within teams.
  • English

    Conversational

  • French

    Native or bilingual

Can work on-site
Corbeil-Essonnes (up to 30km)

Experience

  • Ministère de l'intérieur
    On-site Support Technician / Systems Administrator
    PUBLIC SECTOR
    August 2021 - September 2022 (1 year and 1 month)
    Paris, France
    User support level 1 and 2 (hardware and software incidents)
    Installation, configuration, and troubleshooting of Windows workstations
    User account and rights administration via Active Directory
    Management and renewal of digital certificates (PKI – X.509)
    Hardening of Windows systems (updates, security policies, access management)
    Participation in a user data migration project to secure local storage: GPO, Active Directory, email, and user support
    Windows Server System Administration Active Directory PKI GPO
  • Ministère de l'intérieur
    Systems Engineer
    PUBLIC SECTOR
    September 2022 - September 2025 (3 years)
    Paris, France
    Administration, deployment, and operation of systems and network infrastructures within VMware vCenter virtualized environments (Windows & Linux)
    Administration and optimization of backup and disaster recovery solutions via Veeam Backup & Replication
    Monitoring of systems and network infrastructures with Zabbix (availability, performance, incident management)
    Deployment and administration of a Squid proxy: traffic control, filtering, and access security
    Participation in server migration projects: creation of target environments, data migration, network configuration, and backup implementation
    Linux System Administration Veeam Backup & Replication Windows Server vCenter

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Education

  • Master Expert in Computer Engineering
    CFA ITIS
    Master Expert en ingénierie informatique
  • Professional Bachelor's Degree in IT and Telecommunications Network Professions
    Université Évry Paris-Saclay
    Licence Pro Métiers des Réseaux Informatiques et Télécommunications

Skill set

Categories