Site Reliability Engineer

About the Role

Mistral is seeking experienced Site Reliability Engineers to own the reliability, scalability, and performance of our AI platform and customer-facing applications. You will partner with software engineers and research teams to ensure systems meet and exceed expectations for internal and external customers across high-stakes industries including finance, manufacturing, defense, healthcare, and the public sector.

Responsibilities

Operations

• Design, build, and maintain scalable, highly available, and fault-tolerant infrastructure for web services and ML workloads
• Ensure platform, inference, and model training environments remain highly available with seamless replication across HPC clusters
• Operate production systems and troubleshoot issues including incident response, on-call rotations, infrastructure scaling, and root cause analysis
• Implement and enhance monitoring, alerting, and incident response systems to optimize performance and minimize downtime
• Build and maintain CI/CD pipelines, containerization, orchestration, monitoring, logging, and alerting systems for client-facing APIs and large training runs

Development

• Drive infrastructure automation improvements using Kubernetes, Flux, and Terraform
• Collaborate with AI/ML researchers to develop solutions enabling safe, reproducible model-training experiments
• Build cloud-agnostic platform abstractions between science and infrastructure
• Design and develop workflows, automation scripts, and tooling to improve system reliability, availability, and performance
• Work with the security team to ensure infrastructure follows security best practices and compliance requirements
• Document processes and share knowledge across the team
• Contribute to open-source projects, research publications, and technical content

Requirements

• Master's degree in Computer Science, Engineering, or related field
• 7+ years of experience in DevOps or SRE roles
• Strong experience with cloud computing and highly available distributed systems
• Demonstrated expertise with site reliability in critical environments (root cause analysis, production troubleshooting, on-call rotations)
• Experience working with reliability KPIs, observability, alerting, and SLAs
• Hands-on experience with CI/CD, containerization, and orchestration tools (Docker, Kubernetes)
• Knowledge of monitoring, logging, alerting, and observability platforms (Prometheus, Grafana, ELK Stack, Datadog)
• Familiarity with infrastructure-as-code tools (Terraform, CloudFormation)
• Proficiency in scripting languages (Python, Go, Bash) and software development best practices
• Strong understanding of networking, security, and system administration
• Excellent problem-solving and communication skills
• Ability to thrive in a fast-paced startup environment

Preferred Qualifications

• Experience in AI/ML environments
• Background with high-performance computing (HPC) systems and workload managers (Slurm)
• Familiarity with AI-oriented infrastructure solutions (Fluidstack, Coreweave, Vast)

Benefits

Mistral offers a comprehensive benefits package that varies by location and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal allowances, transportation benefits, and other location-specific perks. See the Benefits page for details specific to your location.