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Salary: USD 100,000 - 130,000 / annual
Zefr is an AI-powered content classification platform serving brands and advertisers across YouTube, TikTok, Meta, and Snap. The company provides pre-bid activation and verification solutions that safeguard media and AI investments while maximizing performance on social channels.
As a Site Reliability Engineer, you will join Zefr's Engineering team to develop expertise in cloud infrastructure, CI/CD, observability, and core SRE practices. You'll collaborate closely with Engineering and Data Science teams to ensure the infrastructure supporting Zefr's services is robust, efficient, and scalable.
Key responsibilities include:
- Building and supporting systems and tools that enable engineers to deploy and manage product features quickly and safely
- Deploying and supporting a multi-cloud, microservice architecture using Github Actions, ArgoCD, and Kubernetes
- Writing and maintaining Infrastructure as Code with Terraform and Terragrunt via pull requests and code review
- Building and improving CI/CD pipelines and release workflows
- Maintaining production environment health through monitoring application performance and resource utilization
- Participating in 24/7 on-call rotation to respond to system performance issues and outages
- Debugging issues at both application and infrastructure levels
- Writing and maintaining clear documentation and runbooks
- Contributing to a DevOps culture of continuous improvement
The technology stack includes Google Cloud Platform (primary), AWS, Terraform, Terragrunt, Docker, Kubernetes (GKE), GitHub Actions, Argo CD, Python, Prometheus, OpenTelemetry, Chronosphere, Pagerduty, PostgreSQL, DynamoDB, OpenSearch, and Snowflake.
Requirements:
- 1–3 years of experience supporting cloud infrastructure in production environments using AWS and/or GCP
- Hands-on experience with containers and Kubernetes
- Competency in Python and shell scripting
- Strong problem-solving skills
- Strong written and verbal communication, organization, and documentation skills
Nice to have:
- 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 on complex, high-impact projects
