Minor Hotels Europe and Americas

Senior Administrator – Operating Systems, Windows

Minor Hotels Europe and Americas

full-time

Posted on:

Location Type: Office

Location: Aguascalientes • Mexico

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Job Level

Senior

Tech Stack

AWSAzureCloudDNSFirewallsVMware

About the role

  • Administer, configure, and maintain Windows Server environments across production, QA, and development.
  • Manage File & Print services.
  • Administer and operate DHCP services.
  • Operate and manage virtualization platforms (VMware / Hyper-V), including templates, snapshots, virtual networking, resource allocation, and load balancing.
  • Manage server-level storage, including LUN creation and presentation, Fibre Channel zoning, and multipathing, coordinating closely with Storage and Converged/Hyperconverged platform teams.
  • Implement OS and middleware patching and upgrades in compliance with ITIL change management processes.
  • Monitor capacity, performance, and availability, performing system and stack tuning (CPU, memory, I/O, and network).
  • Coordinate and validate backup and recovery operations with enterprise backup teams.
  • Perform system hardening, security compliance activities, and audit support (SOX / ISO).
  • Design and maintain automation scripts using PowerShell and Shell/Bash; apply Infrastructure/Configuration as Code principles where applicable.
  • Resolve advanced-level incidents, performing root cause analysis (RCA) and preventive actions.
  • Maintain up-to-date technical documentation, procedures, diagrams, and CMDB/asset records.
  • Coordinate with managed service providers, global infrastructure teams (network, security, DBAs, applications), and internal stakeholders.

Requirements

  • 5–8 years managing Windows Server environments in enterprise infrastructures, including rack and blade server architectures.
  • Experience with SAN storage architectures, connectivity topologies, and integration with backup platforms.
  • Previous experience in automotive or manufacturing environments and managed service operations is desirable.
  • Advanced administration of Windows Server.
  • Basic SAN storage knowledge: Pure Storage, Dell EMC, Fibre Channel zoning, multipathing (PowerPath / DM-Multipath).
  • Core Active Directory administration: domain join, services, permissions, and server-level hardening GPOs.
  • OS-level networking: DNS, NTP, basic routing, host firewalls, load balancers (F5 / NetScaler – desirable).
  • Scripting fundamentals: PowerShell and Bash/Shell for automation and daily operations.
  • Backup agents/clients and enterprise monitoring tools (SCOM, Nagios, etc.).
  • Basic knowledge of SCCM suite.
  • Cloud environments (AWS / Azure) for integration, landing zones, and infrastructure agents (desirable).
Benefits
  • Professional development
  • 24x7 on-call rotations for critical operational events
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Windows Server administrationDHCP servicesVMwareHyper-VSAN storagePowerShellShell/Bash scriptingsystem hardeningbackup and recovery operationsroot cause analysis
Soft Skills
communicationcollaborationproblem-solvingorganizational skillsincident resolution