System administrator

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

Required qualifications:

• 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

Preferred: CompTIA A+ or ITIL certification; Azure infrastructure and network routing experience.

Compensation: $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.