IT ADVANCED CONSULTING SA
Switzerland
2 days ago
Senior System Administrator
- 25 April 2026
- 100%
- Permanent position
- Switzerland
Job summary
Join our dynamic team specializing in systems environments. Embrace the opportunity for growth with flexible working conditions.
Tasks
- Manage advanced Windows Server environments (2016, 2019, 2022).
- Oversee Active Directory, including GPO and group management.
- Administer Microsoft 365 services, ensuring seamless operations.
Skills
- 5+ years in system administration with relevant training.
- Proficient in PowerShell scripting and automation tasks.
- Experienced in EDR tools like Microsoft Defender for security.
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About the job
System Environments
- Advanced mastery of Windows Server (2016, 2019, 2022).
- Active Directory expertise:
- GPO (creation, maintenance, hardening)
- Rights management, groups, delegations
- DNS, DHCP services
- Maintaining operational condition of critical services.
Update and lifecycle management
- Patch management and compliance.
- Security patch planning.
- Maintenance windows and impact management.
Microsoft 365
- Microsoft 365 / Entra ID administration:
- Identities, access, MFA, conditional access
- Exchange Online:
- Mailboxes, flows, security
- Microsoft Teams and Teams Voice (RUN).
Virtualization and infrastructures
- VMware vSphere (ESXi, vCenter).
- VM lifecycle management, snapshots, templates.
- Performance and capacity monitoring.
- Knowledge of SAN / NAS storage.
Security and EDR
- Mastery of an EDR (Microsoft Defender or equivalent).
- Alert analysis, incident investigation.
- Containment and remediation actions.
- Contribution to cyber incident response.
- Vulnerability management concepts.
Supervision and support
- Monitoring tools (Centreon, PRTG, SCOM or equivalent).
- Level 3 incident diagnosis and resolution.
- System and application log analysis.
Scripting and automation
- PowerShell mastery.
- Task automation.
- Script management via Git (or equivalent).
Methodology
- Good ITIL practices (incidents, problems, changes).
- Risk management and change validation concepts.
- Ability to document.
Training and experience
- Higher education or equivalent.
- Minimum 5 years of system administration experience.
- Knowledge of the public sector / universities of applied sciences: a plus.
Languages
- Fluent French (spoken and written).
- Operational technical English.
Conditions
- Rate: 100%.
- Mode: on-site + up to 2 days telework/week.
- Duration: indefinite.
- Start: immediate.
