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System Administrator
Remote / Online - Candidates ideally in
Houston, Harris County, Texas, 77001, USA
Listed on 2026-10-30
Houston, Harris County, Texas, 77001, USA
Listing for:
Dunhill Professional Search & Government Solutions
Full Time, Remote/Work from Home
position Listed on 2026-10-30
Job specializations:
-
IT/Tech
Systems Administrator, Cybersecurity, Windows Server
Job Description & How to Apply Below
Dunhill Government Solutions is hiring a System Administrator to provide day-to-day infrastructure and customer support within a federal agency's on-premises environment. This is a full-time, fully remote position supporting server administration, patching, backups, incident response and ongoing security posture.
Responsibilities:- Administer Windows Server 2019/2022 environments: installation, configuration, upgrades, security patches and scheduled maintenance
- Monitor backup and storage systems, troubleshoot alerts and ensure recovery readiness
- Perform vulnerability scanning and remediation with Tenable/Nessus and work with the security team on scan outcomes
- Support high-level incident response, triage technical issues and document remediation actions
- Take part in infrastructure initiatives (such as Windows Server 2016 retirement and IIS/logging enhancements) and security authorization evidence preparation
- Support operational security hygiene through service account reviews and password rotation coordination
- Contribute to documentation and records management across program offices
- Bachelor's degree in Information Technology, Computer Science or a related field, or equivalent relevant experience (Master's preferred)
- 7-10 years of experience in information technology or systems administration
- Enterprise-level Windows Server administration and patching
- Proficiency in Tenable/Nessus vulnerability management and reporting
- Experience supporting incident response and infrastructure troubleshooting
CompTIA A+ or ITIL certification;
Azure infrastructure and network routing experience.
$115,000 - $132,000 per year
US Citizenship (no dual citizenship) and the ability to pass a federal background investigation in order to be granted access to sensitive information.
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