System Administrator

3 weeks ago

Mumbai, Maharashtra, India Intelligence Node Full time

We are looking for an experienced Senior System Admin Engineer with proven expertise in cloud infrastructure architecture, system administration, and application deployment. The ideal candidate will bring strong knowledge of AWS and IBM Cloud platforms, proficiency in managing Rails applications, web servers, and databases, and hands-on experience with Linux-based environments. This role requires someone who is technically sound, detail-oriented, and passionate about building scalable, secure, and high-performing systems.

Key Responsibilities :

Cloud Architecture & Management :

- Design, implement, and maintain cloud infrastructure solutions on AWS and IBM Cloud.

- Ensure high availability, disaster recovery, and cost optimization of cloud environments.

Application & API Support :

- Maintain and optimize Rails applications.

- Develop and manage APIs using GoLang to support microservices-based architecture.

Server & Virtualization Management :

- Configure, manage, and troubleshoot Nginx and Apache web servers.

- Deploy and maintain bare-metal Linux (Ubuntu) servers, including KVM virtualization setup for flexible resource allocation.

Database & Storage :

- Administer and optimize MariaDB, MongoDB, Aerospike, and Elasticsearch clusters.

- Ensure database scalability, performance tuning, and replication strategies.

Monitoring & Security :

- Implement monitoring, logging, and alerting for proactive system health checks.

- Ensure infrastructure security best practices and compliance.

Collaboration & Documentation :

- Work closely with developers, QA, and DevOps teams to support project delivery.

- Maintain detailed technical documentation, runbooks, and infrastructure diagrams.

Required Skills & Qualifications :

- Strong expertise in AWS and IBM Cloud infrastructure architecture.

- Proficiency in Rails application maintenance and GoLang API development.

- Hands-on experience with Nginx, Apache web servers.

- Deep knowledge of databases : MariaDB, MongoDB, Aerospike, and Elasticsearch.

- Strong command of Linux (Ubuntu, all flavors) with experience configuring bare-metal servers.

- Knowledge of KVM virtualization for on-demand resource allocation.

- Familiarity with DevOps tools (CI/CD pipelines, containerization is a plus).

- Certification : CSNA or equivalent is a strong advantage.

- Excellent problem-solving, troubleshooting, and communication skills.

Nice to Have :

- Experience with container orchestration (Kubernetes/Docker).

(ref:hirist.tech)

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