IP Data Center and Security Engineer

Strength. Care. Growth

A1 Competence Delivery Center is a vital component of A1's telecommunications business. Acting as an expertise hub, CDC is dedicated in delivering full range of high-quality IT, network, financial and HR to support A1's operations across all OpCos, independent of location.


Using the power of A1 Group and leveraging bynergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’, paired with job stability. will

You will know we are the right place for you, if you are driven by:

Opportunities to learn and build your career;
Meaningful work in a stable and fast-paced company;
Diversity of people, projects, and platforms;
A supportive, fun, and inspiring place to work.

Would you like to join us?


IP Data Center and Security Engineer


As a Network Engineer at A1 Competence Delivery Center, you will play a key role in the deployment, maintenance, and optimization of telecommunications and IT infrastructure across multiple countries. Working alongside senior engineers and technical teams, you will take on greater responsibility in managing network solutions, troubleshooting complex issues, and supporting service migrations and configuration changes.

This position is ideal for professionals with foundational networking experience who are ready to deepen their technical expertise, contribute to large-scale projects, and mentor junior colleagues. You’ll be part of a dynamic, international team dedicated to operational excellence and continuous professional growth.

Your daily routine would include:

Participate in international projects and activities, collaborating with senior engineers as needed.
Deploy and support new network solutions, taking on greater responsibility for implementation and troubleshooting.
Perform service migrations and configuration changes, ensuring minimal disruption and high quality of service.
Work closely with team members, field engineers, and other technical groups to deliver integrated solutions.
Provide technical guidance to junior colleagues and contribute to knowledge sharing within the team.
Maintain accurate documentation of network activities, changes, and incidents.
Support continuous improvement initiatives and contribute to operational best practices.

We’ll know you can make it if you have:

Understanding of IP networking, including advanced concepts in Switching, VLANs, VxLAN, STP, SDWAN and Routing protocols (such as OSPF, or BGP).
Hands-on experience with Next-Generation Firewall (NGFW) platforms (e.g., Cisco Firepower, Palo Alto, Fortinet, Checkpoint)
Experience in documenting activities performed, including network changes, troubleshooting steps, and solution designs.
Participation in professional networking courses or certifications (Cisco, Checkpoint, Fortinet, Palo Alto, or similar).
Effective communication skills in English, both written and spoken; German language skills are a plus.
Demonstrated ability to learn new technologies and adapt to evolving environments.
Strong analytical and problem-solving skills, with a proactive approach to technical challenges.
Ability to work independently as well as part of a diverse, international team.


Our gratitude for the job done will be eternal, but we’ll also offer you:

Innovative technologies and platforms to “play” with;
Modern working environment for your comfort;
Friendly, ambitious, and motivated teammates to support each other;
Thousands of online and in-person learning opportunities to grow;
Challenging assignments and career development opportunities in multinational environment;
Attractive remuneration package;
Flexible working schedule and opportunity for home office;
Numerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc.