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 distributions: 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.