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.

As a member of our team, you will play a pivotal role in managing Kubernetes clusters, leveraging Crossplane expertise, and delivering custom solutions to operate and maintain vanilla Kubernetes environments.

Additionally, you will participate in 24×7 on-call duties to ensure the uninterrupted availability and reliability of our Kubernetes platforms.

Your daily routine would include:

Design, deployment, and maintenance of vanilla Kubernetes clusters to support diverse workloads and ensure optimal performance;
Utilize and contribute to Crossplane for infrastructure and application orchestration, ensuring seamless integration with existing workflows;
Developing and implementing innovative, scalable solutions tailored to specific operational needs, aligning with best practices for Kubernetes and cloud-native technologies;
Design and implement automation pipelines to enhance the efficiency of Kubernetes operations and streamline deployment processes;
Establish and manage monitoring systems to ensure comprehensive observability of Kubernetes environments, proactively addressing potential issues;
Working closely with cross-functional teams, including developers and SREs, to align Kubernetes solutions with organizational goals and ensure smooth operations;
Maintaining clear and comprehensive documentation for processes, configurations, and operational guidelines.

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

Proven experience in Kubernetes cluster management and a deep understanding of cloud-native technologies;
Hands-on experience with Crossplane, including deploying and managing infrastructure through declarative configurations;
Strong skills in scripting languages such as Python, Go, or Bash, and experience with Infrastructure as Code (IaC) tools;
Proficiency with CI/CD tools (e.g., Jenkins, ArgoCD, GitLab CI/CD) and container technologies (e.g., Docker, containerd);
Hands-on experience with major cloud providers (e.g., AWS, Azure, GCP) and their Kubernetes services;
Familiarity with tools such as Prometheus, Grafana, Loki, or similar monitoring solutions;
Experience contributing to open-source projects, particularly in the Kubernetes ecosystem.

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.