Senior IT System Engineer M365 / Workplace (m/f) 80-100%

10.07.2026 5000 Aarau (Hybrid) IT System Engineering • Permanent position Hybrid Salary band 115'000 - 135'000 CHF 01 Future employer ## yellowshark AG is your reliable partner for filling long-term permanent positions. With our experience and industry diversity, we offer suitable solutions for candidates and companies. Quality over quantity is our principle, from which not only you as an IT expert benefit, but also the market with its specific requirements. 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 ## • Planning, implementation and operation of IT infrastructures • Implementation of Move, Add & Change services • Support and further development of Managed Services solutions • Collaboration and leadership in IT projects • Support of sales and presales teams with technical questions • Processing of incidents in 2nd and 3rd level support • Creation of documentation, solution concepts and system architectures 03 Benefits ## • Participation in external further training • Independent organization of daily business • Company vehicle • Flat hierarchies • Flexible working hour design • Flexible annual and trust-based working hours • Progressive employment conditions • Guaranteed hybrid or home office work • At least 5 weeks vacation 04 Your profile ## • Completed basic IT training in IT system engineering as well as further training in the IT field (HF, FH) • At least 5 years of professional experience in IT system engineering or infrastructure • Sound knowledge in Microsoft 365 and modern workplace solutions • Manufacturer certifications at the level of Microsoft Certified Expert • Good knowledge of ITIL processes • Customer- and service-oriented personality with high self-motivation • Readiness for on-call duty • Proficient German skills (C2) as well as very good English skills (B2) • Driving license category B 05 Things to know ## • A varied and responsible activity with a lot of creative freedom • Attractive development opportunities as well as support with further training • Modern infrastructure and very good social benefits • A collegial environment with flat hierarchies and a DU-culture at eye level • Entrepreneurial freedom for creative ideas • The advantages of an international company combined with the proximity and dynamics of a strong local team