Job
- Level
- Experienced
- Location
- Berlin, Karlsruhe
- Working Model
- Hybrid, Onsite
- Job Field
- IT, DevOps, Security
- Employment Type
- Full Time
- Contract Type
- Permanent employment
Job Summary
In this role, you will optimize Linux-based proxy and defense infrastructures, analyze DDoS attacks, and implement innovative mitigation strategies in an agile DevOps environment.
Job Technologies
Your role in the team
- Your daily work is the precise response to the ongoing threat landscape: you balance the highly available operation of our scrubbing platforms with the continuous development of our defense strategies.
- Platform Design: You administer and optimize complex Linux-based proxy and defense infrastructures at the highest level.
- DDoS mitigation: You actively analyze attack patterns and implement precise countermeasures before outages can occur.
- Innovation as a weapon: They utilize cutting-edge technologies such as AI for log analysis and pattern detection to stay one step ahead of attackers and to implement new mitigation ideas within the team.
- Lifecycle Management: You actively shape the operational architecture in an agile DevOps environment and ensure the continuous evolution of our defense systems.
- Response phase: You participate in the essential on-call duty (one week per month). This is not just a duty, but the phase in which you act as the primary defender, intervening directly to prevent major outages.
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Our expectations of you
Qualifications
- We are looking for a Linux expert with the "Security Gene" – a professional who combines deep technical knowledge with the vigilance of a defender. You see complex platforms as fortresses that do not tolerate any vulnerabilities.
- Technical Stack: You are an expert in Linux (Debian/CentOS) and Nginx (Reverse Proxy/WAF). Ideally, you are proficient in networking concepts such as BGP, Flowspec, and Anycast, and use automation tools like Ansible, Puppet, or Python as standard tools.
- Language proficiency: In our international environment, you communicate fluently in English; German skills are a valuable advantage.
Experience
- Experience & Seniority: You have 3-5 years of solid professional experience in managing large infrastructure platforms.
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What we offer
- Hybrid work model.
- Flexible working hours through trust-based working time.
- At some locations, there is a subsidized canteen and various free beverages.
- Modern office spaces with excellent transportation links.
- Various employee discounts for activities and products.
- Employee events such as summer and winter parties, as well as workshops.
- Numerous opportunities for further training and development.
- Various health offerings, such as sports and wellness courses.
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Benefits
Work-Life-Integration
Health, Fitness & Fun
Food & Drink
Topics You Will Work On
Job Locations
About Your Employer
United Internet AG
As the leading provider of communication solutions in Germany, we offer our users a safe and reliable way to communicate with our strong brands: 1&1, GMX, WEB.DE, and mail.com—despite handling 500 million incoming emails every day!
Description
- Company Type
- Established Company
- Working Model
- Full Remote, Hybrid, Onsite
- Industry
- Internet, IT, Telecommunication
Employer reviews
by devworkplaces.com
Total
(1 Review)3.4
Engineering
3.3Workingconditions
3.8Career Growth
3.2Culture
3.2
Linux System Administrator - Defense Products
- Location
- Berlin, Karlsruhe
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
