We are looking for a skilled Linux System Administrator to manage, maintain, and optimize our Linux-based infrastructure. The ideal candidate has strong hands-on experience with Linux systems in production environments, a security-first mindset, and experience supporting high-availability services in regulated environments. Key Responsibilities: Proactively administer, maintain and support Linux infrastructure technology to maintain a 24x7x365 uptime service; Install, configure, and maintain MySQL, MariaDB, and PostgreSQL.; Proactively monitor system and database performance, availability and perform capacity planning; Perform system and database installation, configuration, patching, and upgrades; Ensure high availability, performance, and reliability of production systems; Monitor system health, logs, and performance; troubleshoot incidents and outages; Optimize queries, indexes, and database performance; Support backup, disaster recovery, and business continuity processes; Maintain best practices on managing systems and services across linux environments; Automate routine system tasks; Provide input on ways to improve the stability, security, efficiency, and scalability of the linux environments.; Collaborate with other teams and team members to develop automation strategies and deployment processes. Required Skills & Qualifications: Previous working experience as a Linux System Administrator(3 years); Bachelor's degree in Computer Science, Information Technology or similar relevant degree; In depth knowledge of Linux: RedHat, CentOS, Debian, Ubuntu; Practical production experience with MySQL, MariaDB, and PostgreSQL; Solid understanding of database concepts: replication, tuning, backups; Hands-on experience managing Cloud infrastructure; Knowledge of containers and virtualization (Docker, Kubernetes, VMware); Knowledge in Shell, Perl, and/or Python scripting is a plus; Solid knowledge of protocols such as DNS, TLS, ICMP; Additional Linux certifications will be considered an advantage.
