Linux System Administrator at Pesapal

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