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Insight Global

System Administrator III - Top Secret

Pay: Not specified

Posted: 6 days ago

Location: San Antonio, TX (Onsite)

Last Updated: 11 hours ago

Hours: Full-Time

Expires: 10/14/2026

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What they do

A Systems Administrator manages the day-to-day operations of an organization's computer networks, including the systems that connect computers and other technology to each other and to outside networks. Installs, organizes, and supports the hardware and software of these systems.

$98,862 / year median in Texas

-7% projected decline

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Job Description

Job Description We are seeking a Windows Systems Administrator with 4-7 years of experience supporting enterprise Windows server environments. This role is responsible for the installation, maintenance, security hardening, troubleshooting, and optimization of physical and virtual Windows Server systems across classified and unclassified networks. The ideal candidate will have strong experience supporting core Microsoft infrastructure services and ensuring compliance within a DoD environment. We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.

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https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements 4-7 years of Windows Server administration experience Experience installing, maintaining, patching, upgrading, and troubleshooting physical and virtual Windows servers Strong experience with Active Directory, DNS, DHCP, and Group Policy Experience supporting Microsoft infrastructure services such as WSUS, MECM/SCCM, Certificate Services, ADFS, and KMS Experience with system performance monitoring, capacity planning, and trend analysis Ability to troubleshoot and resolve server, hardware, and software issues Experience working in a DoD or regulated environment - IAT Level II - One of the following certifications is required: Microsoft 365