Senior SRE Engineer

Join Stellar Cyber, a fast-growing global leader in cybersecurity trusted by some of the biggest names in the industry. Besides many enterprises and government agencies, nearly 30% of the world’s top MSSPs rely on our platform, and that number is growing every day as more companies recognize the value of next-generation security solutions. We’re at the forefront of protecting organizations against sophisticated cyber threats using cutting-edge AI and automation technologies. Our culture is built on diversity, openness, and collaboration, fostering creativity and innovation that drives real impact in the market. We are seeking a highly skilled Senior Site Reliability Engineer (SRE) to join our team and drive reliability, scalability, and efficiency across our production systems. The ideal candidate will have deep expertise in cloud infrastructure, Kubernetes administration, observability, and incident management, with a proven track record of building and maintaining highly available and resilient platforms. As a senior member of the SRE team, you will not only operate complex distributed systems but also influence architecture, tooling, and best practices to ensure operational excellence.

Responsibilities:

• Administer and maintain container orchestration platforms and containerized workloads.
• Monitor and troubleshoot production systems, participating in on-call rotations to ensure reliability.
• Drive observability improvements by enhancing monitoring, logging, and alerting capabilities across systems and data platforms.
• Administer and optimize cloud-based environments across multiple providers.
• Manage and support distributed data platforms and real-time processing systems.
• Develop and maintain continuous integration and delivery pipelines for efficient and reliable deployments.
• Own and implement Infrastructure as Code (IaC) practices to ensure consistency and scalability.
• Automate and orchestrate infrastructure using programming and scripting languages.
• Perform system administration and networking tasks to support internal and external environments.
• Collaborate effectively with engineers and stakeholders across different time zones.

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.
• Strong experience with production on-call operations and incident management.
• 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.
• Certifications in AWS, GCP, Observability, Linux or Kubernetes are a plus.

The base compensation range for this role is Euros 60,000-90,000 per year. Total compensation includes bonus opportunity and equity.