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Administrator / Support IT-Security (w/m/d)

Frankfurt am Main

Help us make the internet a safer place!

Link11 is a fast-growing IT security provider with a global security cloud. Our core services are DDoS Protection and Security Analytics, Web Application Firewall and Content Delivery Networking. Shape our digital future with Link11 in Frankfurt am Main.

What you'll do

  • Active monitoring of servers and network components
  • Customer support (B2B, 1st and 2nd level)
  • Processing and escalation of tickets (incidents, orders, changes)
  • Installation and administration of internal servers and the office network
  • Support and organisation of peering agreements
  • Computer centre activities within the scope of hardware installation
  • Maintenance of ticket and asset management systems
  • Creation and maintenance of documentation on processes and work steps

Your skills & profile

  • You have completed a specialist computer science training course or have comparable knowledge and skills
  • Safe handling of Linux (Debian), as well as knowledge of common Microsoft operating systems
  • Good knowledge of servers, switches, routers and networks
  • Experience in monitoring e.g. Zabbix
  • Basic knowledge of TCP and IP
  • Customer-oriented, confident appearance in dealing with customers
  • You work reliably, independently and result-oriented
  • German spoken and written as well as good knowledge of English
  • Driving licence class B

Who we are and what makes us special

Link11 is an established company with a start-up mentality: fast growth, short decision paths, open-minded for new ideas and change. And that in a future-proof industry.

What we offer

You can look forward to a highly motivated team in which humour and professionalism do not contradict each other. We live a friendly relationship and attach great importance to a high feel-good factor. You can look forward to it:


  • A "you" culture at all levels
  • Excellent career opportunities through personal development and targeted further training
  • Subsidy for public transport, car park, company car, job bike and KiTa fees
  • Subsidised lunch, healthy snacks, drink flat rate (also beer/cocktail bar)
  • The legendary company and team events
  • Personal benefits, according to your needs

Contact us

Do you have any questions? Please contact us at or +4969-2649297711. Link11's Human Resources Management will be happy to answer any questions you may have about the application process.
We look forward to receiving your application!

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Link11 Benefits

We want you to be happy! At work, we offer coffee specialities, a selection of drinks as well as fruit and healthy snacks for your physical well-being. Our extensive benefits programme makes life more enjoyable. Put together your individual package according to your own preferences and needs.

Mobility & Fitness

Mobility & Fitness

We ensure mobility! Whether in the gym, by public transport, by car or riding your stylish company bike - the choice is yours.

Lunch & Snacks

Lunch & Snacks

At Link11, we like to eat lunch together at the kitchen table! Fresh fruit and other healthy snacks are also available all day.

Flexitime

Flexitime

We help you fit everything in. You can work flexible hours and we will even subsidise your nursery fees.

Cocktails & Beer

Cocktails & Beer

In the evening, we like to treat ourselves to a drink at our gin bar at knocking-off time or share a beer together before going home.