Zefr - Site Reliability Engineer
Requirements
• 1-3 years of experience supporting Cloud Infrastructure in a production environment using AWS and/or GCP • Hands-on experience with containers and Kubernetes • Competency in Python and shell scripting • Strong written and verbal communication, organization, and documentation skills • Familiarity with modern CI/CD pipelines and GitOps (Github Actions, GitLab, Argo CD) • Exposure to Monitoring and Observability tools (Prometheus, Grafana, Chronosphere, Datadog, OpenTelemetry) • Experience collaborating across departments to execute complex, high-impact projects.
Responsibilities
• As a Site Reliability Engineer at Zefr, you’ll join our Engineering team and grow your skills in cloud infrastructure, CI/CD, Observability, and core SRE concepts, helping deliver high-quality, reliable, and scalable solutions. You’ll work closely with the rest of Zefr’s Engineering and Data Science teams, ensuring the infrastructure behind our services is robust, efficient, and scalable. • We are looking for a passionate engineer to come collaborate and grow alongside our experienced SRE team. You bring curiosity, a strong work ethic, and a passion for continuous improvement and automation. • Support and build systems and tools that enable other engineers to deploy and manage product features both quickly and safely. • Help deploy and support our multi-cloud, micro-service architecture, deployed via Github Actions, ArgoCD & Kubernetes. • Write and maintain Infrastructure as Code with Terraform and Terragrunt, contributing changes through pull requests and code review. • Build and improve CI/CD pipelines and release workflows. • Help maintain the health of production environments, including monitoring application performance and resource utilization. • Participate in 24/7 on-call rotation, responding to system performance issues and outages alongside senior teammates. • Debug issues at the application and infrastructure level. • Write and maintain clear documentation and runbooks. • Contribute to our DevOps culture and philosophy of continuous improvement. • Technology Stack at Zefr: • Cloud Providers: Google Cloud Platform (primary), Amazon Web Services • Cloud Providers: • Infrastructure as Code (IaC): Terraform, Terragrunt • Infrastructure as Code (IaC): • Containerization & Orchestration: Docker, Kubernetes (GKE) • Containerization & Orchestration: • CI/CD: GitHub Actions, Argo CD • CI/CD: • Primary Language: Python • Primary Language: • Observability: Prometheus, OpenTelemetry, Chronosphere, Pagerduty • Observability: • Application Languages/Frameworks: Python, FastAPI, Flask, Node.js, React • Application Languages/Frameworks: • Workflow Orchestration: Apache Airflow, Ray • Workflow Orchestration: • Relational Databases: PostgreSQL • Relational Databases: • NoSQL Databases: DynamoDB • NoSQL Databases: • Search Databases: OpenSearch • Search Databases: • Data Warehousing: Snowflake • Data Warehousing:
Benefits
• Medical, dental, and vision insurance with FSA options • Company-paid life insurance • Paid parental leave • 401(k) with company match • Professional development opportunities • 13 paid holidays off • Summer Fridays (we leave early) • In-office and hybrid work options available • In-office lunches and lots of free food • Optional in-person and virtual events (we like to celebrate!) • The anticipated salary for this position is between $100,000 and $130,000. Within the range, individual pay is determined by factors such as job-related skills, experience, and relevant education or training. If your compensation expectations fall outside of this range, it may still be worth having a conversation.
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