Linux Administrator – Cloud

Capital Empresarial Horizonte, a Mexican company specializing in Human Resources and Information Technologies, requests:

Linux Administrator Cloud & On-Premises

Conversational English mandatory

To work in CDMX, Monterrey, Querétaro, and Guadalajara (3 days in-person and 2 days home office)

Hybrid Scheme · Technical Requirements

• 4 to 6 years of experience administering Linux environments.
• Hands-on experience in Cloud and On-Premises environments.
• Hands-on experience with one or more of the following distributions:
• Red Hat Enterprise Linux (RHEL)
• CentOS
• Rocky Linux
• Ubuntu

Experience in:

• Installation and configuration of Linux servers.
• OS upgrades.
• Patch management.
• Kernel updates.
• Server migration.
• Vulnerability remediation.
• Troubleshooting.
• Performance tuning.
• Security hardening.
• Infrastructure monitoring.
• High availability.
• Knowledge of server resource administration: CPU, memory, storage, and networking.
• Experience working with critical applications or enterprise environments.
• Knowledge of administrative task automation through scripting.

Cloud

Experience working with Linux infrastructure in Cloud environments is required. Desirable experience with AWS, particularly in activities related to administration, monitoring, operation, security, and support of Linux servers.

Security and availability

The administrator will be responsible for contributing to keeping Linux systems secure, available, and performing adequately through:

• Application of security patches.
• Vulnerability remediation.
• Kernel updates.
• Security hardening.
• Resource monitoring.
• Performance analysis.
• Support for high availability environments.
• Troubleshooting and incident resolution.

· Main Responsibilities

• Install, configure, administer, and maintain Linux servers in Cloud and On-Premises environments.
• Administer platforms based on RHEL, CentOS, Rocky Linux, and Ubuntu.
• Perform troubleshooting and resolution of incidents related to Linux systems.
• Execute OS upgrades, updates, and server migrations.
• Manage patch management processes and system updates.
• Perform kernel updates and validate server stability after updates.
• Identify and remediate security vulnerabilities in Linux systems.
• Monitor server health and availability.
• Analyze CPU, memory, storage, and network utilization.
• Perform performance tuning and optimization activities.
• Participate in the implementation and support of high availability environments.
• Apply Linux security hardening best practices.
• Provide support for critical applications hosted on Linux platforms.
• Automate administrative and operational tasks whenever possible.
• Participate in backup, recovery, and operational continuity activities.
• Document configurations, procedures, changes, and incidents.
• Collaborate with Cloud, Networking, Security, Application Support, and other infrastructure teams.
• Participate in preventive maintenance and continuous infrastructure improvement activities.

· Desirable Certifications

• RHCSA Red Hat Certified System Administrator
• RHCE Red Hat Certified Engineer
• CompTIA Linux+
• LPIC-1
• LPIC-2
• AWS Certified SysOps Administrator

We offer:

• Office Hours
• 100% payroll scheme
• Statutory Benefits (Prestaciones de Ley)
• Superior Benefits (Family SGMM, SV 1 million, Grocery vouchers, 30 days of aguinaldo, PTU).

-Requirements-

Minimum education: Higher education - Bachelor's degree 5 years of experience

Keywords: administrator