Job
- Level
- Experienced
- Job Field
- IT, System, Security
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Karlsruhe
- Working Model
- Hybrid, Onsite
Job Summary
In this role, you will operate advanced defense platforms, optimize DDoS protection, conduct security analyses, and develop CI/CD pipelines to safeguard and enhance our hosting infrastructure.
Job Technologies
Your role in the team
- You strengthen our highly motivated team of experts in the fight against cybersecurity threats.
- Together with Site Reliability Engineers (SREs) and Network Engineers, you will plan and operate our most advanced defense platforms.
- These are the backbone for protecting our hosting products and infrastructures - from traditional DDoS mitigation to modern Web Application Firewalls (WAF) and Zero-Trust strategies, up to our Content Delivery Network (CDN).
- Infrastructure Administration: Management and troubleshooting of highly available, complex infrastructures - including participation in a shared on-call rotation.
- Platform Optimization: Further development and optimization of distributed DDoS mitigation platforms as well as associated analysis and visualization mechanisms.
- Threat & Trend Analysis: Monitoring of systems, analysis of security attacks, and active tracking of current industry and security trends.
- Tech Evaluation & Innovation: Assessment of new technologies and products as well as development and implementation of new features for international setups.
- DevOps & Lifecycle: Supporting our corporate objectives through an efficient operational architecture, active lifecycle management, and lean processes within an agile DevOps environment.
- CI/CD Automation: Design, implementation, and continuous improvement of CI/CD pipelines and supporting technical processes.
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Our expectations of you
Education
- Foundation: Completed degree in Computer Science or a comparable qualification or vocational training.
Qualifications
- Automation Mindset: Passion for automation with tools like Ansible, Puppet, and Python to consistently eliminate manual, repetitive tasks.
- Analytical acuity: Strong analytical skills to assess DDoS attacks, implement effective countermeasures, and continuously improve our defense platforms.
- Open Source Spirit: You share our enthusiasm for open-source technologies, especially Linux.
- Languages: Negotiation-level proficiency in English, both spoken and written (German skills are a plus).
Experience
- Linux & Security Passion: Several years of experience in administering complex, distributed Linux systems, as well as a strong interest in cybersecurity and solid networking knowledge.
- Reverse Proxy & WAF: Proven experience in configuring and operating Nginx as a reverse proxy or Web Application Firewall.
- Routing expertise: Hands-on experience in implementing BGP, Flowspec, and Anycast routing on Linux systems and network routers.
- Tech Stack (Bonus): First experience with technologies such as Docker, Kubernetes, ClickHouse, or the ELK Stack is a plus.
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What we offer
- Hybrid working 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
Health, Fitness & Fun
Work-Life-Integration
Food & Drink
Topics You Will Work On
Job Locations
About Your Employer
1&1 Internet AG
With our strong brands 1&1, GMX, WEB.DE and mail.com, we are the leading provider of consumer applications in Germany with over 30 million active users. We make communication even safer - with up to 500 million incoming e-mails per day! With our advanced security facilities, we ensure that your data is always protected. So you can relax and concentrate on the really important things.
Description
- Company Size
- 250+ Employees
- Company Type
- Established Company
- Working Model
- Full Remote, Hybrid, Onsite
- Industry
- Internet, IT, Telecommunication
Employer reviews
by devworkplaces.com
Total
(1 Review)3.5
Career Growth
3.4Workingconditions
4.4Engineering
2.7Culture
3.5
System Administrator Defense Products
- Location
- Karlsruhe
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
