Koolsoft E-learning

Clever Age is looking to strengthen its team with a skilled and experienced DevOps Engineer to join our team. The ideal candidate will have extensive experience with Linux systems, advanced networking configurations, web application deployments, and cloud services. You will be responsible for deploying and managing highly available, secure, and scalable infrastructures, ensuring seamless CI/CD pipelines, and collaborating closely with development teams to deliver critical applications with minimal downtime.

Key Responsibilities:

• Mastery of Linux OS, including basic system tools and administration.
• Advanced configuration of routing, switching, and firewalling.
• DNS management, including redirection, aliases, and SSL certificate configurations.
• Supervision tool configuration (Zabbix, Prometheus/Grafana, Nagios, Centreon, etc.) with expertise in modifying configurations.
• Reverse proxy management (Load Balancing, SSL Offloading, etc.).
• CDN configuration using services like AWS CloudFront or Cloudflare, including DNS, SSL, image resizing, and firewalling.

• N1/N2 High Availability and Performance Architectures: Design and deploy web configurations with components like PHP, MySQL/MariaDB, DNS, SSL, and caching solutions (Varnish, Redis, Memcached).
• Complex Middleware Deployment: Implement secure, high-performance, and highly available systems with advanced middleware components.
• Standard and advanced application deployment using open-source web solutions.

• Management of MySQL/MariaDB and PostgreSQL at N1/N2 levels.
• Installation, configuration, backups, restoration, upgrades, and performance tuning.
• Clustered database management (e.g., Galera Cluster) and advanced monitoring (e.g., Percona Monitoring).

• Deployment, configuration, and activity analysis of tools like Solr, Elasticsearch, and Fred Hopper for data ingestion and search performance.

• Use of Infrastructure as Code (IaC) tools such as Ansible, Puppet, and Terraform, including advanced role and playbook development.
• Containerizing applications in Kubernetes (K8s) environments, considering production constraints.
• Managing Kubernetes clusters: capacity planning, version upgrades, monitoring, and performance tuning.
• Experience with complex K8s configurations, monitoring, and advanced performance tuning.

• Ability to analyze platform and application performance, define objectives, create action plans, and draft detailed reports.
• Planning and executing performance tests: defining objectives, methodologies, and analysis of results.
• Plan, execute, and validate complex system upgrades and changes. Supervise advanced monitoring, alert handling, incident resolution, and client requests in 24/7 production environments.

• Administer CI/CD tools like Gitlab, Gitlab CI, Jenkins, and registry management.
• Build and maintain complex deployment pipelines ensuring 100% automation.
• Rolling updates for critical applications with minimal or zero downtime.
• Full lifecycle management of K8s deployments, focusing on high availability, resource management, and scaling.

• Extensive experience with Linux OS and system administration.
• Strong understanding of DNS management, SSL certificates, and reverse proxies.
• Proficiency in middleware components like Redis, Memcached, and Varnish.
• Hands-on experience with database clustering, indexing engines, and IaC tools.
• In-depth knowledge of containerization and K8s cluster management.
• Expertise in cloud deployments with AWS or Azure.

• Analytical and detail-oriented with excellent problem-solving skills.
• Strong organizational skills with the ability to handle high-pressure environments.
• Strong English communication skill (both written and verbal) to work in a multi-client environment, ensuring timely responses to requests and adherence to SLAs.
• Deliver tailored solutions with a customer-focused approach and communicate effectively with clients, ensuring high-quality service and satisfaction.

• 5+ years in a similar DevOps or infrastructure engineering role.
• Proven track record of managing 24/7 production environments.
• Demonstrated expertise in scaling high-performance, high-availability architectures.
• Familiarity with advanced monitoring and performance optimization tools.
• Strong English communication skill (both written and verbal), French would be a plus.

● Being part of a new adventure at Clever Age Vietnam

● Work with our experts from around the world (Europe, Singapore,...)

● Work with overseas clients and famous brands

● Flexible working Hybrid mode

● Learn and apply the latest technologies

● Work and get certifications from leading software vendors

OUR VALUES

DIVERSITY Knowing the wealth of the web would not be what it is without the wide variety of people who make it up, Clever Age is committed to recruiting professionals from different horizons with complementary personal, educational, and professional backgrounds.

CONVIVIALITY We like to work in a healthy and relaxed atmosphere. Our everyday relations are positive and friendly. Everyone works autonomously, in an atmosphere of mutual trust and support.

CURIOSITY AND PASSION We multiply opportunities to get together and talk about our digital expertise. You can attend or lead our technical meetings, participate in coding evenings, write blog articles, or become a speaker in conferences such as Paris Web, Dot. JS But let's not only talk business. We also organize more festive events (evening gastronomy, sports events,..).

OUR COMMITMENTS

● Passionate and talented teams

● A human-sized work environment

● The opportunity to work in a team on interesting and innovative projects

● Regular discussions to help you build your career path

● Regular friendly events are part of our corporate life and all collaborators can freely

participate

● The « Mystery Tour », our annual event allowing the collaborators of all our staffs to share festive moments outside the usual working environment