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Date:  Jul 26, 2025
Company: 
Location: 

Sofia, BG

Cloud Observability Senior Engineer

Whether you’re just starting out or bringing years of experience, at Yettel we believe the right role isn’t just about responsibilities — it’s about growth, impact, and being part of something meaningful.

Take a look — this might be the opportunity you've been waiting for!

 

The impact you’ll make: 

We are looking for a Cloud Observability Senior Engineer who will be responsible for designing and implementing the observability strategy across our Kubernetes platforms and cloud-native services. The role focuses on ensuring visibility, performance, and reliability through metrics, logs, traces, and profiling using modern observability tooling.

 

What you’ll do:

  • Design and implement a cloud-native observability platform for multi-cluster Kubernetes environments.
  • Integrate observability components using tools such as Grafana, Loki, Tempo, and OpenTelemetry.
  • Collaborate with platform and application teams to define SLOs, SLIs, dashboards, and alerts.
  • Drive a culture of operational excellence through root-cause analysis and proactive visibility.
  • Support infrastructure as code and GitOps practices using Terraform and Helm.
  • Ensure observability is embedded in the SDLC in close collaboration with DevOps, security, and engineering teams.
  • Document observability architecture, patterns, and operational procedures.
  • Identify opportunities for performance and cost optimization across cloud environments.
  • Stay informed on trends and introduce new observability best practices when relevant.

 

To thrive in this role, you’ll need:

  • Kubernetes Expertise: Proven experience operating and scaling Kubernetes environments.
  • Grafana & OpenTelemetry: Hands-on with Grafana, Loki, Tempo, Mimir, and OpenTelemetry.
  • Observability Skills: Strong knowledge of metrics, logs, tracing, and alerting strategies.
  • Cloud Experience: Multi-cloud or hybrid setups, preferably AWS or GCP.
  • Infrastructure as Code: Proficiency in Terraform, Helm, and GitOps.
  • Reliability Focus: Commitment to debuggability, stability, and scalability.
  • Clear Communication: Strong documentation and architecture skills.
  • Team Player: Collaborative approach in structured enterprise environments.

 

Preferred Skills:

  • Advanced Observability: Service mesh and distributed tracing experience.
  • Certifications: Cloud or Kubernetes credentials.
  • Optimization: Performance tuning and cost efficiency in cloud-native systems.

 

What’s in It for you:

Financial & Time-Off Perks

  • 21 days of paid leave (birthday included!)
  • +4 bonus days if you use all your time off
  • 1-month sabbatical every 5 years
  • Annual bonus based on performance
  • Food & gift vouchers every month
  • Travel allowance

Mobile & Tech Goodies

  • Unlimited mobile & internet
  • Exclusive discounts on devices and accessories

Health & Wellbeing

  • Premium health insurance
  • Wellbeing support: in-house psychologist, sports at the office, expert talks
  • Discounted Multisport or Coolfit cards

Growth & Learning

  • Top online learning platform access
  • Supportive team and manager
  • Your ideas shape what we build

Purpose & Culture

  • Do work that matters — we create real impact
  • We're serious about sustainability and social responsibility

 

A Tip from Us:

  • AI is great, but this part is all you! We encourage AI at work, but for your application, we’d love to hear your own thoughts, experiences, and motivation.
  • You don’t need to tick every box! If this role excites you, go for it! We value potential over perfection. 

 

Join Yettel now by sending us your up-to-date CV. 


Only shortlisted applicants will be contacted with information about next steps of our selection process.


Applicants are treated with strict confidentiality following the applicable personal data protection legislation.

Apply now »