LESTARS MANAGEMENT CONSULTANCY

Responsibilities

1) Responsible for the deployment,

maintenance and daily operation and maintenance of the company's core systems (including Java backend services, big data platform, management backend, messaging middleware, etc.);

2) Build and optimize the monitoring system to detect and handle service anomalies in a timely manner and ensure high availability of the system;

3) Participate in the DevOps work such as system go-live, configuration releases, change management, version control, etc.;

4) Maintain and optimize 4) Maintain and optimize middleware components such as Kafka, Redis, MySQL, MongoDB, Elasticsearch, etc.;

5) Assist the development team in troubleshooting, performance tuning, and capacity assessment;

6) Write automation scripting tools to improve system operation and maintenance efficiency;

7) Manage Linux servers and cloud platform resources (e.g., AWS, AliCloud, K8s, etc.), and participate in architecture planning and resource cost optimization; 8) Manage and manage Linux servers and cloud platform resources. 7) Manage Linux servers and cloud platform resources (e.g. AWS, AliCloud, K8s, etc.), and participate in architecture planning and resource cost optimization.

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8) Assist in the establishment of operation and maintenance specifications, process documentation and emergency response mechanism.

Job Requirements

1) 5+ years of Linux O&M experience, preferably with Internet system/backend service O&M experience;

2) Familiar with Java application deployment, monitoring and tuning process, and understanding of SpringBoot/SpringCloud and other microservice systems;

3) Proficient in scripting languages such as Shell/Python/Go, and certain automation O&M capability. 4) Familiar with Kafka, Python, K8s, etc.; 8) Assist in establishing process specification and emergency response mechanism; 4) Familiar with the installation, configuration and maintenance of components such as Kafka, Redis, MySQL, MongoDB, ELK, Prometheus, etc.;

5) Experienced in the use of tools such as CI/CD, GitLab, Jenkins, etc.;

6) Familiar with AWS cloud services and containerized operation and maintenance tools such as K8s/docker, etc.;

7) Strong problem orientation, 7) Strong problem location, failure analysis and emergency response capabilities;

8) Good communication skills and teamwork spirit, able to adapt to multi-system parallel support scenarios.

9) Proficient in English and Chinese for work purposes.