Principal Engineer - DevOps / DBA

Responsibilities:

• Design and implement scalable infrastructure for delivering and running web, mobile, and big data applications on the cloud.
• Scale and optimize a variety of SQL and NoSQL databases (especially MongoDB), web servers, application frameworks, caches, and distributed messaging systems.
• Automate the deployment and configuration of the virtualized infrastructure and the entire software stack.
• Plan, implement, and maintain robust backup and restoration policies ensuring low RTO and RPO.
• Support several Linux servers running our SaaS platform stack on AWS, Azure, IBM Cloud, and Ali Cloud.
• Define and build processes to identify performance bottlenecks and scaling pitfalls.
• Manage robust monitoring and alerting infrastructure.
• Explore new tools to improve development operations and automate daily tasks.
• Ensure high availability and auto-failover with minimal or no manual interventions.

Requirements:

• Bachelor's degree in computer science, information technology, or a related field.
• 8-10 years of experience in designing and maintaining high-volume and scalable microservices architecture on cloud infrastructure.
• Strong background in Linux/Unix administration and Python/Shell scripting.
• Extensive experience working with cloud platforms like AWS (EC2 ELB, S3 Auto Scaling, VPC, Lambda), GCP, and Azure.
• Experience in deployment automation, Continuous Integration and Continuous Deployment (Jenkins, Maven, Puppet, Chef, and GitLab), and monitoring tools like Zabbix, CloudWatch Monitoring, and Nagios.
• Knowledge of Java Virtual Machines, Apache Tomcat, Nginx, Apache Kafka, microservices architecture, and caching mechanisms.
• Experience in query analysis, performance tuning, and database redesigning.
• Experience in enterprise application development, maintenance, and operations.
• Knowledge of best practices and IT operations in an always-up, always-available service.
• Excellent written and oral communication skills, judgment, and decision-making skills.