DevOps Engineer

Manus AI • Singapore • Software Development • 3d ago

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About the Role

Operate and build the platform for our multi-cloud infrastructure and container clusters, including our self-hosted E2B (AI agent sandbox) cluster, and keep production services highly available, scalable, and cost-efficient through automation and platform engineering.

Responsibilities

  • Cluster Operations & Management

    • Manage and maintain container clusters (Kubernetes, Docker) and open-source middleware clusters (Kafka, Redis, Elasticsearch) across multiple business units.

    • Own the self-hosted E2B (AI agent sandbox) cluster, including the Nomad / Consul orchestration layer and the Firecracker microVM runtime.

    • Ensure the performance, scalability, and reliability of distributed systems.

  • Linux & Cloud Infrastructure

    • Handle day-to-day operations of Linux servers, including hardening, patch management, backups, and performance tuning.

    • Manage cloud resources across AWS, Azure, and GCP, ensuring reliability, security, and cost efficiency.

  • Infrastructure Platform Development

    • Design, build, and continuously improve our infrastructure operations platform.

    • Develop and maintain infrastructure management, CI/CD GitOps pipelines (Jenkins / Argo CD), monitoring and alerting (Prometheus / Grafana), and centralized logging (ELK).

    • Drive platform standardization and automation.

  • High Availability & Reliability

    • Ensure the highest availability of production services through proactive monitoring and incident response.

    • Take part in a 24/7 on-call rotation, and lead incident response, root cause analysis, and postmortems.

    • Implement and maintain SLA/SLO frameworks and reliability engineering practices.

  • Automation & Process Improvement

    • Build self-service tools and workflows to improve team productivity.

    • Establish best practices for infrastructure as code (Terraform / Ansible) and configuration management.

    • Maintain thorough documentation, SOPs, and runbooks.

Requirements

  • 3–4+ years of hands-on experience in Linux system operations, DevOps, or SRE (no degree requirement; ability comes first).

  • Strong Linux fundamentals, with knowledge of networking basics and system security best practices.

  • Deep expertise in containerization (Kubernetes, Docker), with experience operating production-grade clusters.

  • Experience building and managing CI/CD pipelines (Jenkins, GitHub Actions / Argo CD).

  • Familiarity with common infrastructure components: Nginx, MySQL, Redis, Kafka, and Elasticsearch.

  • Proficiency in Shell and Python for scripting and automation.

  • Hands-on operations experience with at least two public clouds among AWS, Azure, and GCP.

  • Familiarity with infrastructure monitoring, logging, and observability tools (Prometheus, Grafana, ELK).

  • Hands-on experience with Terraform.

  • Ability to collaborate on technical work in Mandarin and to read, write and participate in day-to-day technical communication in English.

Preferred Qualifications

  • Familiarity with or exposure to E2B / AI agent sandbox infrastructure (Firecracker microVM, Nomad, Consul).

  • Experience with service mesh architecture (Istio) and eBPF.

  • CKA/CKAD or AWS/Azure/GCP professional certifications.

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