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 concepts

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

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

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.

We Offer

- Confiable 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.

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