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# Senior Systems Administrator

- **Company:** Addison Group
- **Location:** Dallas, TX, United States
- **Experience:** Expert
- **Salary:** $114,400.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Microsoft Azure, Domain Name System (DNS), Hyper-V, Windows Servers, Windows PowerShell, SQL Databases, Virtual Machines, Virtualization Technology, Office365, Firewalls (Computer Science), Vmware
- **Published:** May 21, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=65bd78a0c0b23ae1

## About the Role

Do you have experience in Windows support?, We are looking to bring on a Senior Systems Administrator to our growing team. What we need is someone who brings 6+ years of experience working in enterprise Microsoft environments supporting administration and engineering. This tech stack includes experience needed in Windows Servers, Virtual Machines (VMware and Hyper-V), SQL Servers, Active Directory (AD), Group Policy (GP), DNS, PowerShell automation, and the O365 suite. STA is also in a hybrid environment, so we will need someone who comes a similar background supporting Azure Cloud. Any certifications (AZ-800, AZ-801) will be a big plus.

This person will collaborating with other IT personnel as well as BUs/stakeholders but will need to own their systems environment. Personality-wise we will need someone who is passionate, eager to learn, and intentional about our mission.

Top Skills:

 * 6+ years of Windows Systems Administration

 * Virtualization (VMware, Hyper-V)

 * AD, GP, DNS, O365

 * PowerShell Automation

 * Palo Alto Firewalls

 * Certs: AZ-800 and AZ-801



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