About the Position

Customer Support Engineer T2 - German Speaker | Portugal (f/m/x)

We are looking for a passionate and skilled Customer Support Engineer T2 to join our team in Lisbon, Portugal. Help us make the Internet a safer place with your technical expertise and German language skills!

Responsibilities

Be the first point of contact for our customers when they need help, whether through tickets, phone, or live troubleshooting.
Detect and analyze incidents like DDoS attacks in real-time using monitoring dashboards.
Solve technical challenges in areas such as DDoS Protection, WAAP, DNS, and CDN services.
Translate complex technical issues into clear and confident communication.
Build trustful relationships with our customers and guide them safely through critical situations.
Document knowledge, record solutions, and continuously improve our support processes.

As a T2 Engineer, you will also:

Conduct in-depth analysis of complex incidents and attacks.
Collaborate closely with engineering and operations teams during escalations.
Support onboardings, configurations, and challenging troubleshooting cases.

Requirements

Fluency in German and English, both written and spoken; Portuguese is a plus.
Curious, self-motivated, and eager to learn new technologies.
At least 3 years of professional experience in IT, Internet Services, Hosting, Telecommunications, Cybersecurity, or IT Security products, ideally in a technical support, network, or customer-facing role.
Solid knowledge in Secure CDN technologies for website acceleration, caching, and image optimization, including integration with DDoS protection solutions (T2-relevant).
Proven experience with NetFlow-based DDoS detection (e.g., Cloud Insights), including monitoring customer router flows and triggering automated mitigation mechanisms like BGP rerouting (T2-relevant).
Understanding of the Internet's functioning (HTTP, DNS, SSL/TLS).
Solid understanding of fundamental network technologies (IP, TCP/UDP, OSI).
Good understanding of BGP (Border Gateway Protocol) and Internet routing, especially in the context of DDoS defense.
Familiarity with DNS, CDN, or WAF/WAAP technologies.
Basic Linux knowledge or scripting experience.
Proficiency with ticketing systems and monitoring tools such as Deskpro, Zendesk, Jira, Confluence, Zabbix, or similar platforms.
Interest in or experience with Cybersecurity and DDoS protection.
Ability to remain calm, structured, and customer-oriented even under pressure.

Nice to Have

Certifications: CompTIA Security+, CompTIA Network+, Cisco CCNA, Certified Ethical Hacker (CEH), or equivalent certifications in network and cybersecurity.

We Offer

Join a highly motivated team where we treat each other with respect.
Work with colleagues on equal footing, without barriers.
Develop and showcase your strengths in a friendly and appreciative work atmosphere.
Organize your workday in a flexible work model, because you are more than just your job.
Contribute to our success with your skills.
Community is important to us: team events, sundowners, and after-work parties bring us together – even internationally.
Our care for our team doesn't end at the coffee machine or a fruit basket!
Look forward to attractive benefits such as meal allowances, private health insurance, childcare support, and much more.
We are a partner of national and international associations and authorities.

About the Company

Link11 GmbH

We live our startup mentality wholeheartedly. At the same time, the professional framework of Link11 – founded in 2005 – offers us the growth opportunities and stability of an established company. Even today, we work closely with our founders and the management team.
We are full of energy, have short decision-making processes, and implement changes directly.
We foster a positive, interactive, and appreciative work atmosphere where all employees can contribute their ideas.
We promote the personal and professional development of our employees.
We deliberately leave our comfort zone to drive innovations and improvements, because we want to be the best in the market.
For our forward-thinking solutions, we have been awarded multiple times.

Contact

Have questions about this position? Contact us directly at [email protected]. Your contact person is Nadine Saewert from the People Management department.

We look forward to getting to know you and learning more about you as a person and your professional journey.

Ready? Then apply via our careers page at https://www.link11.com/de/karriere/ and include your salary expectations and your earliest possible start date.

We promise to get back to you within 48 hours of receiving your application to see if we would like to get to know you better in a phone interview.

Link11 GmbH

Lindleystraße 12

D-60314 Frankfurt am Main

Apply now

Customer Support Engineer T2- German speaker | Portugal (f/m/x)

Job description