IT System Administrator (m/f/d) | Berlin / Brandenburg (IT Specialist - System Integration)

FirstStep communicationsBerlinEURESpublished 03/16/2026
Must-have:Security
Machine translation — original language: German.Show original

Do you have a knack for IT? Is IT your passion?

Are you a trained IT specialist or do you have experience as an IT System Administrator and would like an interesting and varied workplace in a positive, friendly working environment? Do you want to work in a company where you and your work as an IT professional are valued and you can better balance family and work? Then join our team and become an IT System Administrator at FirstStep communications GmbH in Berlin Adlershof.

Your area of responsibility:

  • You maintain the ICT systems of our customers (also at external locations)
  • You take over the administration of server and client systems both for our customers and internally
  • You optimize the documentation of IT / communication structures
  • You are responsible for the administration of complex network infrastructures in the LAN and WAN area
  • You take care of the maintenance and support of firewall systems
  • You develop new concepts for optimizing business processes
  • You work in a team-oriented manner with all FirstStep employees

What you can expect from us:

  • Working in a very positive, friendly working environment; after all, work should also be fun
  • Further training for professional and personal development
  • Varied and exciting tasks
  • Very good technical equipment
  • Mobile working possible
  • Performance-related and attractive remuneration
  • Compatibility of career & family
  • 40-hour week and 30 + 2 days of vacation
  • Free drinks in the office (coffee and non-alcoholic beverages)
  • Team breakfast for mutual exchange
  • Annual birthday gift
  • Summer and Christmas events, often with the family
  • Annual employee appraisal meeting, in which further training and salary development are discussed and determined
  • Remuneration depending on professional experience, skills and knowledge: €45,000 - €55,000/year gross for full-time

Who we are looking for:

Important requirements...

  • You have completed vocational training as a Fachinformatiker Systemintegration (m/f/d) or a comparable training in the IT field
  • You possess qualified professional experience in the mentioned area of responsibility, including project experience
  • You are experienced with common server and network technologies (e.g., Microsoft Servers, Firewalls, Monitoring, Patch Management etc.)
  • You have good knowledge of current Windows Client operating systems
  • You recognize your customers' needs immediately and your demeanor is friendly, sympathetic, and confident
  • Your English skills in spoken and written form are good

Desirable would be...

  • You possess knowledge of backup architectures in virtual and physical workloads
  • You have experience in virtualization with VMware and/ or with Hyper-V
  • You have good knowledge of Veeam
  • You bring sound knowledge in the area of Routing/Switching and experience in the area of TCP/IP, LAN, WAN, VLAN, WLAN and VoIP

Your personality traits are...

  • Above-average commitment and determination
  • High degree of initiative
  • Very high analytical ability, combined with a structured and quality-conscious way of working
  • Reliable, flexible, cooperative, and mobile
  • You are a "process optimizer" and use IT as a tool

Additional information: Requirements for the applicant: Basic knowledge: Patch Management, Cybersecurity Advanced knowledge: Network monitoring, Microsoft virtualization software, Operating system Windows Server 2022, Operating system Windows Server 2016, Firewall systems, Backup software Veeam, Directory service Active Directory, Storage and backup systems, Operating system Windows Server 2019

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