Senior System Admin

Senior Systems Administrator

The Senior Systems Administrator provides lead-level systems administration, operations, and maintenance support for SDDC installation, brigade, battalion, and detachment-level environments. This role serves as the technical focal point at assigned locations and supports mission-critical classified and unclassified systems across NIPR, SIPR, and CENTRIXS networks. The position requires hands-on technical expertise, on-call support, and the ability to operate independently in geographically dispersed environments.

Key Responsibilities:

• Serve as the lead systems administrator and primary technical point of contact for assigned SDDC installation/BDE/BN/DET locations
• Perform day-to-day administration of Windows-based server environments supporting mission systems
• Install, configure, operate, maintain, and troubleshoot server platforms and supporting infrastructure
• Administer Active Directory environments
• Support virtualized and remote-access environments
• Monitor system health, performance, and availability across supported enclaves
• Implement and maintain DISA STIG compliance for all systems within the area of responsibility
• Track, document, and remediate vulnerabilities; develop and maintain POA&Ms
• Support Authorization to Operate (ATO) and Certification & Accreditation (C&A) activities by producing required technical artifacts
• Respond to hardware/software incidents within required response timelines
• Provide on-site and on-call support during outages, contingencies, emergencies, and exercises
• Participate in continuity of operations efforts, including documentation and recovery support
• Develop, update, and maintain Standard Operating Procedures (SOPs) and system documentation
• Coordinate daily with local cyber operations teams and provide remote support to subordinate units and detachments as required

Required Qualifications:

• Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience)
• Active SECRET clearance
• 8+ years of systems administration experience in DoD or enterprise IT environments
• Demonstrated experience supporting NIPR/SIPR networks
• Experience serving in a lead or senior technical role
• Security+ CE certification

Desired Qualifications:

• Windows Server administration
• Active Directory and Group Policy
• Virtualization technologies
• Backup, recovery, and continuity support
• STIG implementation and compliance tracking
• Troubleshooting complex HW/SW issues under operational constraints