The Windows Administrator is responsible for the design, operation, security, and optimization of Windows-based infrastructure across on-premises and AWS EC2 environments. The role exists to ensure highly available, secure, and cost-effective Windows systems that support business-critical workloads in a hybrid cloud model.

Responsibilities & Duties
- Administer, configure, and support Windows Server environments across on-prem and AWS EC2, including OS deployment, patching, performance tuning, and lifecycle management.
- Provide hands‑on operational support for AWS EC2 Windows workloads, including instance provisioning, AMI creation and maintenance, right‑sizing, cost optimization, and availability design.
- Manage Active Directory, Group Policy, DNS, DHCP, and identity integration across hybrid environments, ensuring secure authentication and authorization.
- Monitor system health, availability, and performance across Windows and AWS EC2 platforms; troubleshoot incidents, perform root‑cause analysis, and implement permanent fixes.
- Implement and maintain security hardening,



patching standards, vulnerability remediation, and compliance controls for Windows systems in AWS and on‑prem.
- Develop and maintain technical documentation, standards, automation scripts, and operational runbooks.

Position Requirements
- Bachelor’s degree in Computer Science, Information Systems, or equivalent professional experience
- 5+ years of experience as a Windows or Systems Administrator
- 3+ years of hands‑on AWS EC2 support experience for Windows‑based workloads
- Strong expertise with Windows Server 2016/2019/2022
- Deep experience with Active Directory, Group Policy, DNS, and DHCP in hybrid environments

Preferred
- Experience supporting production workloads in AWS at scale
- AWS certifications (AWS SysOps Administrator – Associate or higher)
- Microsoft certifications related to Windows Server or cloud platforms
- Experience with PowerShell automation and infrastructure‑as‑code

📌 Windows Administrator (Ciudad de México)
🏢 CRH Talento en IT
📍 Ciudad de México