Senior Systems Administrator – Windows/Linux, VMware & Cloud

Progressive IT

Denton (TX)

On-site

USD 62,000 - 103,000

Full time

3 days ago

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Job summary

Progressive IT in Denton, TX is seeking an experienced Systems Administrator to manage enterprise Windows and Linux infrastructure, virtualization, and cloud services. You will troubleshoot complex issues, implement security controls, and participate in upgrades and automation initiatives.

The role requires hands-on expertise with Windows Server, Active Directory, VMware ESXi, Linux, and CrowdStrike. You will automate tasks with PowerShell, support migrations, and develop documentation and

Qualifications

7 years of systems administration or infrastructure engineering experience.
Advanced Windows Server administration, including Active Directory, DNS, DHCP, and file services.
Strong experience with VMware ESXi or Hyper-V virtualization.
Working knowledge of Linux administration in mixed environments.
Understanding of TCP/IP, networks, firewalls, and certificates.
Experience with server hardening, patch management, and cybersecurity best practices.

Responsibilities

Administer Windows Server environments, VMware ESXi, AD, and related services.
Deploy and manage CrowdStrike endpoint security agents.
Patch, harden, remediate vulnerabilities, and monitor performance.
Troubleshoot infrastructure issues and provide root cause analysis.
Automate tasks using PowerShell and scripting tools.
Support migrations, upgrades, storage, backup, and DR initiatives.
Maintain documentation and collaborate with infrastructure and cybersecurity teams.