System Administrator (f/m/d) - Defense Products
at subsidary IONOS SE in Berlin
Full-time | Permanent | Professionals
Reference ID: I-1567
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About us
IONOS is the leading European digitalization partner for small and medium-sized businesses (SMB). The company serves around six million customers and operates across 18 markets in Europe and North America, with its services being accessible worldwide. With its Web Presence & Productivity portfolio, IONOS acts as a 'one-stop shop' for all digitalization needs: from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, the company offers Cloud Solutions to enterprises who are looking to move to the cloud as their businesses evolve.
Join our highly motivated team of experts dedicated to combating cybersecurity threats. As a System Administrator, you will plan and operate our cutting-edge defense platforms alongside site reliability engineers and network engineers. These platforms are crucial for protecting our hosting products and infrastructure, encompassing classic DDoS mitigation, modern Web Application Firewalls (WAF), Zero Trust strategies, and our Content Delivery Network (CDN). We foster a culture that highly values creative ideas, agile working methods, initiative, and participation.
Tasks
- Administration and troubleshooting of highly available and complex infrastructures, including participation in an on-call service rotation.
- Further development and optimization of distributed DDoS defense platforms, as well as analysis and visualization mechanisms.
- Monitoring of systems, analysis of security attacks, and active tracking of current industry trends.
- Evaluation and assessment of new technologies and products.
- Development and implementation of new functions, as well as planning and operating international setups.
- Supporting company goals through efficient operating architecture, active lifecycle management, and lean processes in an agile DevOps environment.
- Conception, setup, and further development of CI/CD pipelines and supporting technical processes.
Qualifications
You have completed a degree in Computer Science or a comparable professional education. Additionally, you have a keen interest in security topics, strong networking knowledge, fluent English communication skills (German is a plus), and the following qualifications:
- Several years of experience in the administration of complex, distributed Linux systems.
- Proven experience in configuring and operating Nginx as a reverse proxy or web application firewall.
- Hands-on experience with the deployment of BGP, Flowspec, and Anycast routing on Linux systems and network routers.
- Strong passion for automation using tools like Ansible, Puppet, and Python to eliminate repetitive manual tasks.
- Strong analytical skills to evaluate DDoS attacks, implement effective countermeasures, and continuously develop our defense platforms.
- Initial experience with technologies such as Docker, Kubernetes, ClickHouse, or the ELK Stack is beneficial.
- Like us, you are a strong advocate for Open Source, especially Linux.
Benefits
- Hybrid working model.
- Flexible working hours through trust-based working hours.
- Subsidized canteen and various free drinks at select locations.
- Modern office space with excellent public transport connections.
- Various employee discounts for activities and products.
- Employee events such as summer and winter parties, as well as workshops.
- Numerous training and development opportunities.
- Various health offerings, such as sports and wellness courses.
apply online now
Diversity enriches. Different cultures, nationalities, genders, ages, sexual orientations and religions as well as people with disabilities - we value diversity and encourage it. Because only teams that reflect all facets of society offer the best environment for creativity and make a company productive and distinctive. We value diversity and welcome all applications.
Contact
Fragen?
IONOS SE
Recruiting Team IONOS
Hinterm Hauptbahnhof 3-5
76137 Karlsruhe
jobs@ionos.com
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