Cloud‑First IT System Administrator — Security & Automation

THORIZON; Lyon; On-site; EUR 75,000 - 110,000; Full time

Benefits offered by this job

Profit-sharing plan

International offices

Job summary

Thorizon seeks an experienced System Administrator to own and secure a cloud-first IT environment across Amsterdam and Lyon. You will automate, document, and improve operations, with a focus on security, IAM, and endpoint protection. The role blends hands-on admin work with automation projects and room to grow toward cloud engineering.

You will report to the Data & AI Director and collaborate with engineers, scientists and external partners. Fluency in English is required.

Qualifications

• 3+ years of system administration or IT engineering experience in tech or regulated environments.
• Hands-on experience with Microsoft 365, Entra ID and Intune, and cloud concepts.
• Strong security fundamentals including IAM, endpoint security, patching and zero-trust.
• Scripting in PowerShell, Python or Bash; English proficiency is required.

Responsibilities

• Administer and secure our Microsoft 365 and cloud environment across both sites.
• Operate zero-trust, secure-access, endpoint security, patching and logging.
• Run IT operations including service desk, onboarding/offboarding, licensing and asset mgmt.
• Document systems and automate with scripting and IaC for reliability and scalability.

Skills

Microsoft 365

Entra ID

Intune

PowerShell

Python

Bash

Security fundamentals

Identity & Access Management

English fluency

Tools

Git

CI/CD

Infrastructure as Code

ZTNA / SASE platforms

Job description

Thorizon seeks an experienced System Administrator to own and secure a cloud-first IT environment across Amsterdam and Lyon. You will automate, document, and improve operations, with a focus on security, IAM, and endpoint protection. The role blends hands-on admin work with automation projects and room to grow toward cloud engineering.

You will report to the Data & AI Director and collaborate with engineers, scientists and external partners. Fluency in English is required.