Senior ICT System Engineer (m/w) 80-100%

23.08.2026 8800 Thalwil (Hybrid) IT System Engineering • Permanent employment Hybrid Salary band 110'000 - 130'000 CHF 01 Future Employer ## yellowshark AG is a leading Swiss personnel service provider specializing in IT, commercial professions, industry, and technology. Throughout German-speaking Switzerland, you can take your career to the next level with yellowshark by us bringing you together with well-known companies, and we have been doing this for over 15 years! With profound market knowledge and a broad network, yellowshark offers you tailored solutions for permanent positions. Benefit from a dedicated team that understands your career goals and opens up exciting opportunities with attractive employers. Take the next step with yellowshark by your side! Have we piqued your interest? Then apply today with your complete and meaningful application documents. We look forward to getting to know you! 02 Your Task ## • Operation, further development, and optimization of the IT infrastructure in the Windows Enterprise environment • Responsibility for desktop virtualization solutions with Citrix • Design, operation, and optimization of a hybrid fat-client architecture as well as Citrix Workplace applications • Administration and further development of Microsoft 365, SCCM, as well as Citrix-based environments • Operation and expansion of the virtual platforms based on VMware and HPE VM Essentials • Co-responsibility for IT security, from conception through implementation to the operational running of security measures • Management and realization of IT infrastructure projects • Ensuring stable and efficient operation including 2nd and 3rd level support for an environment with two data centers • Technical consulting for internal stakeholders as well as coordination of external partners and service providers 03 Benefits ## • Participation in external further training • Independent organization of daily business • Flat hierarchies • Flexible working hours • Progressive employment conditions • Guaranteed hybrid or home office work • Career and advancement opportunities • At least 5 weeks vacation • Responsible activities 04 Your Profile ## • Completed training as Informatiker:in EFZ Systemtechnik, ideally supplemented by IT further training at HF/FH level • Several years of professional experience as an ICT System Engineer in a Windows Enterprise environment • Profound knowledge in the Windows Server and Client environment as well as in Microsoft 365 • Practice in Citrix environments and in server virtualization • Solid knowledge in the field of IT security • Experience in the management or active implementation of projects • Independent, structured, and solution-oriented way of working • High level of personal responsibility, team orientation, and reliability • Customer-oriented thinking and professional appearance • Proficient German skills (C2) as well as very good English skills (min. B2) • Possession of a category B driver's license 05 Worth Knowing ## • Responsible senior role with technical creative freedom • Demanding tasks in the areas of infrastructure, virtualization, and security • Collegial, professionally broadly-based team • Modern working environment in a stable and long-term oriented environment • Possibility for home office and flexible work design • Attractive employment conditions and contemporary pension solutions