Billing DevOps Specialist (f/m/d) @ A1 Competence Delivery Center

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

Using the power of being OneGroup and leveraging synergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’ enhancement, paired with job stability.

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.

Responsible for owning and evolving the Billing platform infrastructure, driving Azure-based automation and DevSecOps practices, ensuring platform reliability and security, and leading deployment, modernization, and operational excellence initiatives across multiple environments.

Role Insights

• Own and continuously evolve the Billing platform infrastructure across multiple environments.
• Design, automate, and optimize CI/CD pipelines for application and infrastructure delivery.
• Drive infrastructure-as-code and platform automation in Azure.
• Lead and coordinate release deployments and infrastructure activities.
• Ensure platform reliability, scalability, and performance.
• Manage and optimize cloud and VM environments (lifecycle, patching, hardening).
• Implement resilient backup, failover, and disaster recovery strategies.
• Embed DevSecOps practices into pipelines and infrastructure.
• Act as key interface between vendors and internal teams.
• Support modernization and upgrade initiatives across the billing landscape.

• University Degree in Informatics, Computer science, Marketing, Business administration or any equivalent qualification.
• Strong experience in Linux/Unix system administration and troubleshooting.
• Practical experience applying DevOps tools and methodologies (CI/CD, Git, pipelines).
• Solid understanding of databases (SQL and noSQL) and backup solutions (Azure Backup, Commvault).
• Experience with scripting (Shell, Bash or Powershell).
• Strong communication skills and a proactive, team-oriented approach.
• Fluency in English.

• Valuable experience in one of the fastest-growing and most innovative industries.
• Challenging assignments with strong opportunities for personal and professional growth in a multinational environment.
• Hybrid working model supporting a healthy work-life balance.
• Thousands of online and in-person Learning opportunities for you to grow.
• Modern, open, and friendly work environment that fosters continuous learning and the development of both technical and soft skills.
• Special employee tariffs and a wide range of attractive employee benefits.