Observability Engineer (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:

As an Observability Engineer, you will design and enhance our observability ecosystem by building Grafana dashboards, developing monitoring solutions and custom applications, optimizing telemetry pipelines, and enabling data-driven incident response through close collaboration with platform, infrastructure, and application teams.

Role Insights:

• Design, build, and maintain Grafana dashboards that surface meaningful insights from metrics, logs, and traces.
• Write, optimize, and troubleshoot PromQL queries to support alerting, dashboards, and ad-hoc analysis.
• Develop and extend custom Grafana applications and plugins using TypeScript.
• Contribute to the evolution of the observability stack.
• Design and build our synthetic monitoring platform using Playwright and k6 - browser and API checks, probe placement across network zones, and integration of results into the Grafana stack.
• Operate and improve OpenTelemetry-based pipelines for metrics, logs, and traces.
• Manage deployments through GitOps workflows using Argo CD
• Collaborate with platform, infrastructure, and application teams to define observability requirements and translate them into reliable dashboards and queries.
• Support incident response and root-cause analysis by providing the right data at the right time.
• Document dashboards, query patterns, and application components so they can be maintained and extended by the wider team.

What Makes You Unique: 

• Solid hands-on software development experience in at least one of TypeScript/JavaScript, Go or Python - building and maintaining real applications or services, not only scripts.
• Practical experience with observability or monitoring tooling, ideally the Grafana stack (dashboards, queries, alerting).
• Ability to use AI coding assistants effectively while critically reviewing and validating the generated code.
• Strong motivation to learn and improve, both individually and as part of a team.
• Good problem-solving skills and the ability to work effectively with engineers from other domains.

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 for you to grow.
• Challenging assignments and career development opportunities in multinational environment.
• Attractive compensation package.
• Flexible working schedule and opportunity for home office.
• Numerous additional benefits, including, but not limited to free A1 services.

If you have any questions,  please do not hesitate to contact Svetlina Vazharova.