Lead Site Reliability Engineer

Fluency in English (written and spoken) is a definitive must to apply.

*Resume must be submitted in ENGLISH.

• Job Location: São Paulo City - Pinheiros (3 days/week at office);
• Working hours: Brazil business hours + on-call to be discussed;
• This position reports to: Platform Infrastructure
• Employment condition: Brazil full-time CLT with FactSet competitive benefits global package applied to Brazil (FactSet total rewards).

We are looking for a skilled and motivated Lead Site Reliability Engineer to join our team. In this role, you will be responsible for ensuring the reliability, scalability, and performance of our systems and services. You will work closely with development and operations teams to build and maintain robust infrastructure, automate processes, and drive engineering best practices. 

Key Responsibilities 

• Monitor, maintain, and improve the reliability and availability of production systems 
• Respond to and resolve incidents, conducting thorough post-mortems to prevent recurrence 
• Define and track Service Level Objectives (SLOs) and Service Level Indicators (SLIs) 
• Collaborate with development teams to build reliability into services from the ground up 
• Design and implement automation to reduce toil and improve operational efficiency 
• Participate in an on-call rotation to support critical systems 
• Contribute to capacity planning and performance optimization efforts 
• Document systems, processes, and runbooks to support the wider team 

Required Technical Skills:

Kubernetes (Required) 

• Hands-on experience deploying, managing, and troubleshooting workloads in Kubernetes 
• Strong understanding of core Kubernetes concepts including Pods, Deployments, Services, ConfigMaps, and Ingress 
• Experience with Kubernetes cluster management and administration 
• Familiarity with Helm for application packaging and deployment 
• Understanding of Kubernetes networking, storage, and security best practices 
• Bachelors degree in computer science or relevant degree.
• Willing to work a hybrid model
• Must be fluent in English both verbal and written

Additional Technical Skills 

• Cloud Platforms: (e.g. AWS, GCP, Azure) 
• CI/CD Tooling: (e.g. GitHub Actions, ArgoCD, Harness) 
• Monitoring & Observability: (e.g. Prometheus, Grafana, Coralogix, OpenTelemetry) 
• Infrastructure as Code: (e.g. Terraform, Pulumi) 
• Config Management: (e.g. Ansible, Puppet, Chef) 
• Programming/Scripting: (e.g. Python, Go, Bash) 

Soft Skills & General Requirements 

• Strong problem-solving and analytical skills with a methodical approach to troubleshooting 
• Excellent communication skills with the ability to collaborate across technical and non-technical teams 
• A proactive mindset with a focus on automation and continuous improvement 
• Ability to work effectively under pressure, particularly during incident response 
• Commitment to a blameless culture and continuous learning 

Nice to Have 

• Experience contributing to open-source projects 
• Familiarity with SRE principles as defined by the Google SRE handbook 
• Previous experience in a DevOps or Platform Engineering role