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About the Role

As part of the Defense Platform Services team, you will be the guarantor of the availability of millions of customers and form our digital shield. You will operate in a high-stakes environment, managing an infrastructure of around 800 components to neutralize threats in real-time, engaging in a dynamic game of cat and mouse against highly professional attackers. Your work will decide the availability of the European web.

Responsibilities

Balance the high-availability operation of our scrubbing platforms with the continuous development of our defense strategies.
Administer and optimize complex, Linux-based proxy and defense infrastructures at the highest level.
Actively analyze attack patterns and implement precise countermeasures to prevent outages.
Utilize cutting-edge technologies like AI for log analysis and pattern detection to stay ahead of attackers and implement new mitigation ideas.
Actively shape the operational architecture in an agile DevOps environment and ensure the continuous evolution of our defense systems.
Participate in essential on-call duty (one week per month) to intervene as the primary defender and prevent massive outages.

Requirements

Linux expertise with a 'security gene', pairing deep technical knowledge with the vigilance of a defender.
Understanding of complex platforms as fortresses that tolerate no vulnerabilities.
3-5 years of solid professional experience in platform operations of large infrastructures.
Expertise in Linux (Debian/CentOS) and Nginx (Reverse Proxy/WAF).
Proficiency in networking concepts such as BGP, Flowspec, and Anycast.
Experience with automation tools like Ansible, Puppet, or Python.
Fluent communication in English; German language skills are a valuable asset.

Skills

Linux
Nginx
Reverse Proxy
WAF
BGP
Flowspec
Anycast
Ansible
Puppet
Python
AI
Log Analysis
Pattern Detection
DevOps

Location

Berlin
Karlsruhe

Work Type

Hybrid
On-call duty

Experience Level

3-5 years

Benefits

Hybrid work model
Flexible working hours with trust-based working time
Subsidized canteen and various free drinks at some locations
Modern office spaces with excellent transport links
Various employee discounts for activities and products
Employee events such as summer and winter parties, as well as workshops
Numerous further training and development opportunities
Various health offers, such as sports and health courses

About the Company

IONOS is the leading European digitalization partner for small and medium-sized enterprises (SMEs).
IONOS has over six million customers and operates with a globally available platform in 18 markets in Europe and North America.
With its Web Presence & Productivity offerings, the company 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.
Additionally, IONOS offers cloud solutions for companies looking to move to the cloud as their business evolves.

Equal Opportunity

We value diversity and welcome all applications - regardless of, for example, gender, nationality, ethnic and social origin, religion, disability, age, or sexual orientation and identity, physical characteristics, marital status, or any other criterion irrelevant to the application under applicable law.