Platform Service Reliability Engineer

Strength. Care. Growth

Did you know that A1 Bulgaria is working on international projects as well?
Our wide portfolio has long past the telecom services, and we are now offering digital solutions to millions of corporate, public, and private customers.
State-of-the-art technology, the latest innovations, and extremely talented professionals in various areas help us deliver the best-in-class products, services, and customer experience.

You’ll know A1 Bulgaria is 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?

We are seeking a highly skilled and motivated Platform Service Reliability Engineer.

This is a great opportunity for engineers at an early to intermediate career level who are eager to deepen their skills in Kubernetes, observability, infrastructure automation, and cloud platforms — with full support from experienced teammates.

You’ll be part of the team that builds and maintains reliable Kubernetes-based platforms, contributing to the availability, scalability, and performance of our services.

Your daily routine would include:

Support the setup and operation of Kubernetes clusters for various workloads;
Assist with automating infrastructure and application deployment using tools like Crossplane;
Collaborate with teammates to develop scalable solutions for infrastructure management;
Help design and maintain automation pipelines that simplify platform operations;
Learn to use monitoring and observability tools (like Prometheus, Grafana, etc.) to ensure system health;
Work closely with developers and reliability engineers to ensure systems run smoothly;
Document processes, configurations, and improvements in a clear and accessible way;
Participate in on-call rotations.

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

Familiarity with Kubernetes or a strong interest in learning it;
Exposure to scripting languages like Python, Go, or Bash;
Curiosity about Infrastructure as Code (e.g., Terraform, Crossplane, Pulumi);
Understanding of CI/CD concepts and tools (e.g., GitLab CI/CD, Jenkins, ArgoCD);
Basic experience with cloud platforms (AWS, Azure, GCP);
Interest in monitoring tools such as Prometheus, Grafana, or similar;
A mindset of collaboration, problem-solving, and continuous learning.

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.

You want to learn more? See us in action in our A1 Blog.
Sounds good? Apply now!
Deadline for applications: 20 June 2025
Only shortlisted candidates will be contacted.
Any questions? Contact Diana Panteleeva.

A1 Bulgaria |