Site Reliability Engineer - Core platform

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?

Your daily routine would include:

• Design and maintain our core Linux-based platform ecosystem;
• Develop and manage our PKI, secrets management, and security systems;
• Contribute to internal platform tooling, automation, and orchestration development;
• Enhance the developer experience (DX) by delivering self-service systems and pipelines;
• Play a key role in the architecture and design of Exoscale’s platform systems;
• Improve processes to ensure scalability, security, and high availability;
• Participate in code and change reviews to maintain high development standards;
• Join the on-call rotation after completing a training period.

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

• Experienced with Linux, including networking and security filtering;
• Knowledgeable in platform security components and PKI systems (experience with HashiCorp Vault is a plus);
• Proficient in Golang (mandatory for this position);
• Familiar with service discovery and DNS systems at scale;
• Experienced in containerization and orchestration (Kubernetes is a plus);
• Comfortable working with KVM virtualization;
• Skilled in configuration management and large-scale infrastructure;
• Passionate about automation. You look for ways to optimize workflows and reduce manual effort;
• Team players who thrive in a distributed team environment;
• Curious, autonomous, and eager to learn new technologies every day;
• Strong communicators in English, both written and spoken.

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.

Not sure yet? See us in action in our A1 Blog.
Any questions? Contact Nadya Georgieva.

Sounds good? Apply now!

Deadline for application: 16.07.2025

Only shortlisted candidates will be contacted.