Senior Linux System Engineer

We are seeking a highly skilled Senior / Lead Linux System Engineer to join our Infrastructure Team. The ideal candidate will be responsible for designing, maintaining, and optimizing Linux-based systems and services, ensuring high availability and performance across our mission-critical environments. This role also involves mentoring junior engineers, improving internal processes, and contributing to the secure architecture of hosted platforms.

Responsibilities:

• Develop and maintain operational procedures for managing Linux environments.
• Perform system performance tuning, monitoring, and incident resolution in production.
• Lead efforts in troubleshooting and root cause analysis to prevent recurrence.
• Update and maintain technical documentation and internal knowledge bases.
• Mentor junior system engineers and provide technical leadership on infrastructure projects.
• Administer and tune Linux-based web servers (NGINX, Apache, PHP-FPM).
• Manage and maintain DNS services (BIND, PowerDNS).
• Conduct safety tests, stress/load tests, and collaborate with the service desk to resolve escalated issues.
• Provide on-call support for urgent infrastructure issues affecting uptime or service quality.
• Recommend and implement automated solutions to improve system operations.
• Ensure secure configuration and industry best practices are applied across all environments.

Requirements:

• Bachelor's degree in Computer Science, Communications Engineering, or a related technical field.
• 3–5 years of hands-on experience with Linux platforms (RedHat, CentOS, Ubuntu).
• Strong experience with web server administration: NGINX, Apache, PHP-FPM .
• DNS server management: BIND and PowerDNS .
• Solid experience in MySQL administration .
• Experience with MySQL Replication, Clustering, and Performance Tuning .
• Familiarity with caching layers: Varnish, Memcached, Redis .
• Experience managing cPanel hosting environments.
• Exposure to open-source CMS platforms: WordPress, Drupal, Moodle, Magento .
• Working knowledge of Microsoft Azure or other public cloud platforms.
• Familiarity with shell scripting or automation tools (e.g., Bash, Ansible).