System Administrator - Linux

This is a remote position.

Company: Iridium Cloud Systems (Subsidiary of CDmon)

Experience: 3+ years

Openings: 3

Employment Type: Full-time, Permanent

Department: IT & Information Security

About the Company

Iridium Cloud Systems, a subsidiary of Barcelona-based CDmon, is a fast-growing cloud infrastructure company specializing in domain registration, web hosting, and scalable cloud services. We're building a world-class team in India to support global operations with innovation, agility, and technical excellence.

Role Overview

We are looking for a skilled and proactive Linux System Administrator with at least 3 years of hands-on experience in managing LAMP-based environments and automation. You will play a key role in ensuring the stability, security, and scalability of our cloud and on-premise infrastructure.

Key Responsibilities

• Manage and maintain **LAMP stack (Linux, Apache, MySQL, PHP)**environments for optimal performance and uptime.
• Monitor infrastructure using tools like Zabbix or Nagios, and respond to incidents proactively.
• Develop and implement security measures using ModSecurity, fail2ban, and firewall configurations.
• Automate routine server-side tasks using Bash or Python scripting.
• Administer and troubleshoot Postfix mail servers.
• Handle MySQL database management, including crash recovery and performance tuning.
• Collaborate with cross-functional teams (Ops, Dev, BI, Infra) to streamline deployment and monitoring.
• Implement and manage configuration management tools like Ansible, SaltStack, or Chef.
• Ensure 24x7 system availability and implement disaster recovery strategies.
• Evaluate and integrate DevOps tools to enhance operational efficiency.
• Contribute to continuous improvement of infrastructure and development processes.

Required Skills & Qualifications

• Minimum 3 years of experience in Linux system administration.
• Strong expertise in LAMP stack (Linux, Apache, MySQL, PHP).
• Proficiency in Bash and/or Python scripting for automation.
• Experience with Postfix, Zabbix, Nagios, and firewall/IPTables configuration.
• Familiarity with Ansible, SaltStack, or Chef.
• Solid understanding of networking protocols and cloud/on-prem infrastructure.
• Strong problem-solving and analytical skills.
• Excellent communication and documentation abilities.