The Linux Administrator is responsible for the reliability, security, and performance of Linux-based systems supporting on-premises and AWS EC2 environments. The role exists to operate, migrate, optimize and support RHEL workloads as they transition from on-prem infrastructure into AWS, ensuring service continuity, security compliance, and cost-effective cloud operations. Success is measured by system stability, successful migration outcomes, automation maturity, and operational efficiency.

RESPONSIBILITIES & DUTIES

-Administer, configure, and maintain Linux servers (RHEL, Amazon Linux, Ubuntu) across on-premises and AWS EC2 environments, ensuring availability, performance, and security.

-Support and execute on-premises to AWS EC2 lift-and-shift migration activities, including system assessment, AMI creation, cutover planning, post-migration validation, and issue remediation.

-Manage AWS EC2 infrastructure including instance provisioning, right-sizing, AMIs, EBS volumes, security groups, IAM role integration, and lifecycle management.

-Implement automation and configuration management using tools such as Ansible, shell scripting, or Terraform to reduce manual effort and configuration drift.

-Monitor system health, troubleshoot incidents, perform root-cause analysis, and participate in on-call rotation to meet SLAs during steady-state and migration phases.

-Apply OS hardening, patching, vulnerability remediation, and support compliance and security standards across hybrid environments.

POSITION REQUIREMENTS

Required

-Bachelor’s degree in Computer Science, Information Technology, or equivalent practical experience

-5+ years of experience as a Linux Systems Administrator in enterprise environments

-2+ years of hands-on experience administering AWS EC2 in production

-Strong experience administering RHEL in on-prem and/or cloud environments

-Experience supporting business-critical systems during infrastructure changes or migrations

Preferred

-Experience with large-scale on-prem to AWS migration initiatives

-Experience in hybrid infrastructure environments

-AWS Certified SysOps Administrator- Associate or higher or equivalent certification (preferred, not required)

-Experience with Infrastructure-as-Code (IaC)(Terraform, Ansible, CloudFormation)

· Experience with scripting/automation in Bash, Python, or PowerShell

Technical Skills

-Advanced Linux system administration, troubleshooting, and performance tuning

-AWS EC2, EBS, AMIs, security groups, and IAM role integration

-Lift-and-shift migration concepts, system validation, and post-migration support

-Automation and scripting (Bash, Ansible, Terraform preferred)

-OS hardening, patch management, and vulnerability remediation

Physical Abilities / Demands

-Ability to support after-hours maintenance windows and possible on-call rotations

-Ability to work extended periods at a computer and respond to incidents as required

KNOWLEDGE & COMPETENCIES

-Ability to make operational and technical decisions related to system configuration, migration readiness, troubleshooting, and cloud resource optimization

-Capable to plan and execute work independently, coordinate with network, cloud, application, and security teams, and escalates risks appropriately, providing technical guidance to peers or project teams.

-Must be able to troubleshoot both routine operational issues and complex migration-related problems involving OS behavior, cloud infrastructure, and application dependencies. Requiring disciplined troubleshooting, adaptability, and a bias toward automation and long-term operational improvement rather than one-off fixes.

Offer

-Seguro de gastos medicos mayores familiar, Seguro de vida, fondo de ahorro, vales de despensa, vales de restaurante, bono anual, apoyo deportivo, prima vacacional del 100%, 15 días de vacaciones, 30 días de aguinaldo y estacionamiento.