Senior Windows Systems Administrator - Cloud & On-Call

Westlake Chemical; Houston (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Westlake Chemical seeks a Windows Administrator to provide Windows OS and server management across North American locations, covering hardware installation, software deployment, and SOP updates. You will support corporate server admins and IT coordinators, assist with infrastructure projects, and ensure Windows services run reliably.

The role requires strong communication, teamwork, and the ability to lead complex tasks during maintenance windows, with on-call rotation and weekend/evening hours

Qualifications

• College diploma or university degree in computer science or related field.
• 10 years equivalent work experience.
• Certifications in Microsoft Windows Enterprise Products including Exchange and Server operating systems preferred or demonstrated by experience.
• Significant experience with Azure and AWS cloud environments.
• Significant technical experience with designing, building, installing, configuring and supporting Windows servers in physical, virtual and cloud environments.
• Hands-on performance tuning and troubleshooting experience.

Responsibilities

• Provide Windows Administrative & support services for Westlake corporate entities, including hardware and software installation.
• Provide technical support to corporate server admins and IT coordinators across North American locations.
• Assist with implementation of system infrastructure projects.
• Maintain standard Windows services (Print, file, DNS, DHCP) across environments.
• Monitor server logs and other monitoring tools for abnormal activity.

Skills

Communication

Customer service

Root cause analysis

Team leadership

On-call readiness

Independent work

Education

CS degree or college diploma

10 years equivalent experience

Azure & AWS experience

Windows Enterprise Certifications

Hands-on performance tuning

Tools

Azure

AWS

Windows Server

Backup & recovery tools

Job description

Westlake Chemical seeks a Windows Administrator to provide Windows OS and server management across North American locations, covering hardware installation, software deployment, and SOP updates. You will support corporate server admins and IT coordinators, assist with infrastructure projects, and ensure Windows services run reliably.

The role requires strong communication, teamwork, and the ability to lead complex tasks during maintenance windows, with on-call rotation and weekend/evening hours