yellowshark
Zürich
Senior ICT System Administrator
- 21 August 2026
- 100%
- Permanent position
- CHF 90 000 - 110 000 /year
- 8057 Zürich
About the job
Our client is an established, state-of-the-art Swiss IT service provider focusing on future-proof infrastructure solutions. To strengthen the IT operations team, we are looking for a committed, quality-conscious, and technically skilled individual as a Senior ICT System Administrator.
Important note regarding the application process:
For a thorough and swift processing of your application, the completeness of the documents is crucial. Therefore, we kindly ask you to submit your complete application dossier (comprehensive CV, all work references, training and professional certificates, as well as diplomas). Please note that incomplete applications cannot be considered in the process.
- System & Server Administration: Support, maintenance, and monitoring of hybrid server landscapes (Windows Server, Active Directory / Entra ID, Hyper-V / VMware as well as Microsoft 365 / Azure).
- Network & Security Operations: Administration of network infrastructures (LAN, WAN, WLAN, VPN, firewalls) as well as monitoring and enforcement of cyber security and backup standards.
- Client & User Administration: Distribution and maintenance of client images, software rollouts, patch management via Microsoft Intune / MDM, as well as user and rights management.
- Incident Management & 2nd/3rd Level Support: Prompt analysis, resolution, and documentation of system faults as well as competent handling of complex support requests in daily business.
- Process & System Documentation: Maintenance of system documentation, creation of instructions, and active participation in shaping ITIL-compliant operational processes.
- Solid Education: Completed vocational training as an IT specialist EFZ (specialising in system technology / platform development) or a comparable qualification.
- Practical Experience: Several years of solid experience in system administration and support of IT infrastructures, ideally gained in the environment of an IT service provider (MSP / consulting).
- Technical Portfolio: Deep hands-on expertise in the Microsoft server/cloud stack, virtualisation, network security, and backup/disaster recovery solutions.
- Certifications: Current Microsoft (e.g. Messaging, Identity or Administrator Associate) or network certificates underline your professional competence and willingness to learn.
- Personality & Language: Analytical thinking, structured working style, very good German skills (business fluent in spoken and written) as well as good English skills.
- Continuous Growth: Targeted and fully supported further training as well as budget for vendor certifications (Microsoft, Cisco, Fortinet, etc.).
- Modern Conditions: Workplace with the latest hardware, highly flexible working time models (80-100%) and generous home office options.
- Culture: A collegial, performance-oriented team with strong cohesion and flat hierarchies.
Important note regarding the application process:
For a thorough and swift processing of your application, the completeness of the documents is crucial. Therefore, we kindly ask you to submit your complete application dossier (comprehensive CV, all work references, training and professional certificates, as well as diplomas). Please note that incomplete applications cannot be considered in the process.
Responsibilities
In this central role, you will be responsible for the smooth operation, support, and continuous optimisation of complex customer and in-house infrastructures. You act as the reliable backbone of IT administration and ensure the highest system availability.- System & Server Administration: Support, maintenance, and monitoring of hybrid server landscapes (Windows Server, Active Directory / Entra ID, Hyper-V / VMware as well as Microsoft 365 / Azure).
- Network & Security Operations: Administration of network infrastructures (LAN, WAN, WLAN, VPN, firewalls) as well as monitoring and enforcement of cyber security and backup standards.
- Client & User Administration: Distribution and maintenance of client images, software rollouts, patch management via Microsoft Intune / MDM, as well as user and rights management.
- Incident Management & 2nd/3rd Level Support: Prompt analysis, resolution, and documentation of system faults as well as competent handling of complex support requests in daily business.
- Process & System Documentation: Maintenance of system documentation, creation of instructions, and active participation in shaping ITIL-compliant operational processes.
Profile
We are looking for a proactive individual with a strong service mentality, high technical curiosity, and a strong personal commitment to quality and reliability.- Solid Education: Completed vocational training as an IT specialist EFZ (specialising in system technology / platform development) or a comparable qualification.
- Practical Experience: Several years of solid experience in system administration and support of IT infrastructures, ideally gained in the environment of an IT service provider (MSP / consulting).
- Technical Portfolio: Deep hands-on expertise in the Microsoft server/cloud stack, virtualisation, network security, and backup/disaster recovery solutions.
- Certifications: Current Microsoft (e.g. Messaging, Identity or Administrator Associate) or network certificates underline your professional competence and willingness to learn.
- Personality & Language: Analytical thinking, structured working style, very good German skills (business fluent in spoken and written) as well as good English skills.
Additional Information
- Responsibility & Freedom: High degree of independence, short decision-making paths, and a varied range of tasks in daily IT operations.- Continuous Growth: Targeted and fully supported further training as well as budget for vendor certifications (Microsoft, Cisco, Fortinet, etc.).
- Modern Conditions: Workplace with the latest hardware, highly flexible working time models (80-100%) and generous home office options.
- Culture: A collegial, performance-oriented team with strong cohesion and flat hierarchies.
