Demo

Senior System Admin

Paragon Technology Group, Inc.
Vienna, VA Full Time
POSTED ON 4/17/2026
AVAILABLE BEFORE 6/17/2026

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 certifications preferred
  • 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

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Paragon is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices on the basis of: race, color, religion, gender, national origin, age, sexual orientation, gender identity, disability, veteran status, or any other characteristic protected by country, regional, or local law.

 

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$126,200 to $155,333
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