DevOps Engineer (System & Network) (f/m/d) @ A1 Competence Delivery Center

Strength. Care. Growth

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.

Role Overview
You will maintain and optimize Exoscale’s OS and hypervisor fleets, network stacks, and security layers, while contributing to automation, tooling, and platform architecture. Ideal candidates have strong Linux, virtualization, networking, and container experience, with proficiency in Golang or Python.

Role Insights:

• Design and maintain Exoscale’s base operating systems and hypervisor fleets, including their network stacks and security filtering layers.
• Contribute to routing and security automation system implementations.
• Help shape our image strategy, from bare metal to Virtual Machines.
• Maintain the system container runtimes.
• Improve provisioning and deployment systems.
• Help enhance bare metal and hypervisor systems performance.
• Contribute to the overall design and architecture of the Exoscale platform systems.
• Contribute to internal tooling development.
• Participate in code and changes reviews.
• Take part in the on-call rotation after a training period.

What Makes You Unique:

• Solid experience with Linux, its kernel, and Systemd.
• Familiarity with KVM virtualization.
• Knowledge of network routing and transport/encapsulation protocols: BGP, VXLAN, and EVPN.
• Comfort with routing daemons like FRR and Bird.
• Good knowledge of Linux filtering with iptables and nftables.
• Good knowledge of container runtimes.
• Experience with Golang or Python.
• Familiarity with server hardware.
• Experience with configuration management solutions and large-scale infrastructure.
• Strong English communication skills, written and spoken.

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

• Innovative technologies and platforms to work with.
• Modern working environment for your comfort.
• Friendly, ambitious, and motivated teammates to support each other.
• Thousands of online and in-person learning opportunities for you to grow.
• Challenging assignments and career development opportunities in multinational environment.
• Attractive compensation package.
• Hybrid working model.
• Numerous additional benefits, including, but not limited to free A1 services.

If you have any questions,  please do not hesitate to contact Nadya Georgieva.