Your mission:

Leveraging your expertise in Active Directory, you will manage, secure, maintain, and enhance our diverse AD environments as part of a collaborative and agile team. To enable you to carry out this task independently and competently, you will be trained as an Air Traffic Safety Electronics Personnel (ATSEP) as part of a two-year induction and training programme. During this time, you will be paid your full salary. For more information: www.skyguide.ch/atsep.

Your tasks:

• Manage and secure on-premises Active Directory environments, including OU structure, GPOs, and user and computer provisioning with a focus on security best practices
• Harden and monitor AD infrastructure, enforce least privilege access, respond to security events, and collaborate with cybersecurity teams on SIEM and IAM integrations
• Support AD lifecycle operations, including audits, upgrades, migrations, and documentation of architecture and configurations
• Ensure related solutions design, build and deployment
• Technically manage and operate AD services to ensure availability
• Ensure the documentation is up to date

What we are looking for:

• At least 5 years' experience as System Administrator or System Engineer
• Practical experience with Microsoft Active Directory, ideally in a security context or critical environment
• A proven track record in IT security field
• Resilience: You allocate your energy and resources sustainably, and persist in working toward goals despite challenges and setbacks
• Problem solving: You seek accurate information to analyse problems, break down complex issues into manageable parts, and approach solutions in a systematic and structured way
• Fluent in English; French and German are an asset