IT Cyber Security and Infrastructure Specialist (m/w) 80-100%

07.09.2026

5000 Aarau (Hybrid)

Network & Security

• Permanent position

Hybrid

Salary band

90'000 - 110'000 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 will 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 sound market knowledge and a broad network, yellowshark offers you tailor-made 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 ##

• Assume technical responsibility for the security of the IT and OT infrastructure
• Plan and further develop security solutions for on-premises and cloud environments
• Operate structured vulnerability management including scans, assessment and prioritization
• Design and implement hardening measures for servers, clients and other systems
• Operate, configure and optimize security systems such as SIEM, XDR and PAM
• Participate in security incidents and implement technical measures for remediation
• Help shape server, virtualization and cloud platforms from a security perspective
• Accompany security projects as well as the technical implementation of regulatory requirements

03

Benefits ##

• Participation in external continuing education
• Flexible working hours
• Flexible annual and trust-based 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 in computer science or cyber security, for example computer scientist EFZ with further training, dipl. Informatiker/in HF, Cyber Security Specialist with federal diploma or IT studies at FH/university level
• Several years of professional experience in security, system or infrastructure engineering
• Sound knowledge of Windows Server, Active Directory, DNS, DHCP and Group Policies
• Practical experience with Microsoft 365, Azure and Microsoft Defender or comparable security solutions
• Experience with VMware vSphere, virtualization as well as hybrid on-premises and cloud infrastructures
• Structured, independent way of working as well as a strong sense of responsibility and high willingness to learn
• Proficient German skills (C2) as well as very good English skills (B2)
• Possession of a category B driver's license

05

Things to know ##

• Attractive workload of 80 to 100 percent
• 40-hour week with contemporary working conditions
• 25 to 30 vacation days per year
• Generous financial support for professional education and training
• Four weeks paid paternity leave
• Discounted access to company sports and fitness offers
• Discounts for selected sports, leisure and regional events
• A lot of creative freedom in a versatile IT, OT and cyber security environment