Senior ICT System Administrator

21.08.2026 8057 Zürich IT System Engineering • Permanent position Office Salary band 90'000 - 110'000 CHF Potential (2-3 years) bis 5'000 CHF 01 Future employer ## Our client is an established, state-of-the-art Swiss IT service provider with a focus on future-proof infrastructure solutions. To strengthen the IT Operations team, we are looking for a committed, quality-conscious, and technically savvy personality as a Senior ICT System Administrator. Important note regarding the application process: For a thorough and rapid processing of your application, the completeness of the documents is crucial. We therefore ask you to submit your complete application dossier (gapless CV, all work certificates, training and professional certificates as well as diplomas). Please note that we unfortunately cannot consider incomplete applications in the process. 02 Your task ## In this central role, you will take responsibility for the smooth operation, support, and continuous optimization of complex customer and internal infrastructures. You will act as a reliable backbone of the 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: Rapid analysis, rectification, and documentation of system disruptions as well as competent handling of demanding support requests in daily business. • Process & System Documentation: Maintenance of system documentation, creation of instructions, and active participation in designing ITIL-compliant operational processes. 03 Benefits ## • Participation in external further training • Independent organization of daily business • Flat hierarchies • Flexible working time design • Progressive employment conditions • Guaranteed hybrid or home office work • Career and advancement opportunities • At least 5 weeks vacation • Modern workplace • Regular team-building measures and company events • Structured and accompanied onboarding • Responsible activities 04 Your profile ## We are addressing a maker-oriented personality with a pronounced service mentality, high technical curiosity, and high self-expectations regarding quality and reliability. • Sound training: Completed vocational training as Informatiker EFZ (specialization System Engineering / Platform Development) or a comparable qualification. • Practical experience: Several years of sound 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, virtualization, 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 mindset, structured way of working, very good German skills (business fluent in spoken and written) as well as good English skills. 05 Things to know ## • Responsibility & Freedom: High degree of independence, short decision-making paths, and a varied field of tasks in daily IT operations. • Continuous growth: Targeted and fully supported further training as well as budget for manufacturer certifications (Microsoft, Cisco, Fortinet etc.). • Modern framework conditions: Workplace with the latest hardware, highly flexible working time models (80-100%) and generous home office possibilities. • Culture: A collegial, performance-oriented team with strong cohesion and flat hierarchies.