Senior/ Staff SRE Engineer
Stellar CyberSofia, Sofia-City, Bulgaria
Posted September 22, 2025
Full Time
About the Company
By shining a bright light on the darkest corners of security operations, Stellar Cyber empowers organizations to see incoming attacks, know how to fight them, and act decisively – protecting what matters most. Stellar Cyber’s award-winning open security operations platform includes AI-driven SIEM, NDR, Open XDR, and Multi-Layer AI™ under one license. With ⅓ of the top 250 MSSPs and over 14,000 customers worldwide, Stellar Cyber is one of the most trusted leaders in security operations. Learn more at https://stellarcyber.ai/.
Job Description
Stellar Cyber is seeking a highly skilled Senior/Staff Site Reliability Engineer (SRE) to join their growing team and drive reliability, scalability, and efficiency across their production systems. The ideal candidate will have deep expertise in cloud infrastructure, Kubernetes administration, observability, and incident management, and a proven track record of building and maintaining resilient platforms. The role involves not only operating complex distributed systems but also influencing architecture and tooling to ensure operational excellence.
Requirements
- 5+ years of experience in Site Reliability Engineering, DevOps, or Platform Engineering roles.
- Proven success leading large-scale production systems in cloud environments (AWS, GCP, Azure, or OCI).
- Demonstrated leadership in driving incident response, on-call best practices, and reliability-focused culture.
- Advanced proficiency in Kubernetes administration and troubleshooting.
- Hands-on experience with observability tools: Prometheus, Grafana, Loki, and Alertmanager.
- Knowledge in chat-based operations interfaces and/or auto-remediation controllers using AI agentic framework.
- Understanding of AI agents for Auto-triaging alerts, correlate signals and suggest/root-cause hypotheses
- Expertise in operating data platforms (Elasticsearch, MongoDB, Spark, Kafka, Redis).
- Proficiency with public cloud services (AWS, Azure, GCP, or OCI).
- Strong programming and automation skills in Python and Bash.
- Deep understanding of Infrastructure as Code (Terraform, Helm).
- Experience with CI/CD pipelines (GitHub Actions, Bitbucket, ArgoCD).
- Strong technical background in distributed systems, databases, networking, and Linux administration.
- Excellent problem-solving, communication, and leadership abilities.
- Bachelor's degree in Computer Science, Engineering, or a related technical field.
Benefits
- Competitive Salary
- Opportunity to work on innovative security solutions
- Collaborative work environment