IT Security Engineer / Penetration Tester 60% - 100% (m/f/d)
KastGroup GmbH
Wallisellen
Key information
- Publication date:07 October 2025
- Workload:60 – 100%
- Place of work:Wallisellen
Job summary
KastGroup GmbH specializes in Cyber Security and secure network infrastructure. Join a growing team focused on meaningful work and employee well-being.
Tasks
- Enhance SOC/SIEM for clients and internal projects.
- Provide technical support in Cybersecurity to clients.
- Develop products and services, including penetration tests.
Skills
- IT Security certification like CEH, CISSP, or OSCP preferred.
- Experience in IT Security Engineering is essential.
- Proficient in both German and English communication.
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Company Description
The KastGroup GmbH with headquarters in Wallisellen and a branch office in Schaan (Principality of Liechtenstein) is specialized in the fields of Cyber Security and secure Network Infrastructure. Since 2014, we have been supporting organizations of various sizes with our services in identifying and achieving appropriate security goals or expanding and optimizing existing network infrastructures.
Our expertise as well as our specialized know-how make us a competent partner and our team philosophy the ideal employer for currently 25 employees. We grow together with new challenges, bring passion and do not just do a job, but deliver real work.
Job Description
To expand our team, we are looking immediately or by arrangement for a talented individual for the following varied (technical) tasks:
- Participation in the further development of SOC/SIEM internally and in customer projects (automation, optimizations, etc.)
- Professional/technical support of our customers in the field of cybersecurity
- To ensure optimal variety, depending on your level of knowledge, there is also the option to perform penetration tests
- You actively help to further develop our products and services
Qualifications
For this demanding position, you should ideally already have experience and knowledge in the following areas:
- You hold an IT Security certification such as CEH, CISSP, CISA or OSCP
- You have experience in IT Security Engineering
- You have experience with SIEM Engineering (e.g., Splunk / Elastic Security Engineering)
- Ideally, you already have experience with system hardening (Linux and Windows)
- Ideally, you already have experience with Linux engineering, whether privately or professionally
- Ideally, you already have experience with penetration testing
- You want to continuously expand your knowledge of new technologies and share it with others
- You love challenges and achieving demanding goals
- You are open, communicative, and can communicate easily in German and English (any additional language is naturally an advantage)
Additional Information
- Flexible working models
- Continuous training opportunities and paid certifications
- Home office by arrangement
- 25 days (5 weeks) vacation per year
- Unlimited shopping discounts 4% - 35% (Microspot, Interdiscount, Coop, IKEA, etc.)
- Attractive social benefits and company pension scheme (BVG)
- Free coffee as well as various free soft drinks
- Regular brunches and after-work aperitifs
- Pool table, table football as well as game console are available
- Modern office within short walking distance to Wallisellen train station
- Ergonomic workplace with standing desk
- Flat hierarchies and co-determination rights
Any questions?
If you still have questions about the job or our company, our HR specialist, Ms. Margrit Kast, will be happy to assist you. She is available on Tuesdays and Wednesdays at the phone number +41 44 521 28 65.