
Linux System Administrator
2 weeks ago
Experience: 4+ years
Location: [Specify Location or Remote/Onsite]
Job Type: Full-Time
Key Responsibilities:
- Infrastructure Monitoring & Management: Continuously monitor critical client infrastructure and ensure high availability and performance.
- Incident Handling: Respond to real-time incidents promptly, document actions, and ensure proper follow-up.
- Performance Optimization: Diagnose and resolve system and application performance issues, including:
- Network, CPU, memory, and I/O load optimization
- Database performance tuning (MySQL, MariaDB)
- Email delivery and reputation management
- Security Management: Identify, respond to, and mitigate security incidents, including malware, phishing attempts, blacklisting, and abuse reports.
- Backup Oversight: Monitor and verify backups to ensure data integrity and disaster recovery readiness.
- Server Lifecycle Management: Participate in activation, cancellation, and migration processes for Dedicated and Cloud servers, including custom VIP systems.
- Team Support & Mentorship: Provide coaching, guidance, and support to Level 2 support teams; handle Level 3 escalations.
- Migration & Troubleshooting: Diagnose and troubleshoot complex migration scenarios, ensuring minimal downtime and data integrity.
- Systems Standardization: Contribute to system standardization efforts, documentation, and knowledge sharing.
- Collaboration & Escalation: Escalate complex issues and coordinate resolution efforts with the DevOps team and other relevant stakeholders.
Required Skills & Experience:
- Minimum 4+ years as a LAMP System Administrator (Apache or Nginx), including experience managing email reputation issues.
- Hands-on experience with cPanel/WHM (Plesk knowledge is an asset).
- Proficiency with Bash or other command-line scripting languages.
- Strong communication skills in English or French, with the ability to explain complex technical issues to non-technical audiences.
- In-depth understanding of email protocols (POP, IMAP, SMTP) and email delivery management.
- Experience with virtualization technologies, such as OpenVZ, KVM, Xen, VMware, or OpenStack.
- Solid knowledge of web concepts, including DNS, IPv4/IPv6, and networking fundamentals.
- Proven experience in database management and optimization (MySQL, MariaDB).
- Familiarity with website scripting languages such as PHP, Perl, or Python.
- Windows Server management experience is a plus.
- Relevant certifications, such as cPanel, RedHat, or LPIC, are advantageous.
- Strong analytical, troubleshooting, and problem-solving skills, with the ability to work under pressure in critical situations.
Job Type: Full-time
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