Demo

System Administrator III

reflexiveconcepts
Annapolis, MD Full Time
POSTED ON 7/9/2026
AVAILABLE BEFORE 9/9/2026
Reflexive Concepts is seeking a skilled System Administrator to join our team! 

Provides support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and related processes, including day-to-day operations, monitoring, and problem resolution for client/server/storage/network and mobile devices. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution, and supports escalation and communication of status to agency management and internal customers. Configures and manages UNIX and Windows operating systems, installs/loads OS software, and configures network components while implementing enhancements to improve reliability and performance.

Qualifications:
  • Fifteen (15) years of experience as a System Administrator in programs and contracts of similar scope, type, and complexity
  • Bachelor's degree in a technical discipline from an accredited college or university
    • Five (5) years of additional SA experience may be substituted for a bachelor's degree
  • DoD 8570 compliance with Information Assurance Technical (IAT), Level I or higher
Required Skills:
  • Heavy Linux (RHEL)
  • Ansible
  • STE/STN
  • Satellite Server
Desired Skills:
  • Provide support for implementation, troubleshooting and maintenance of IT systems
  • Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems
  • Manage the daily activities of configuration and operation of IT systems
  • Provide assistance to users in accessing and using IT systems
  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems; provide support to IT systems including day-to-day operations, monitoring and problem resolution for all client/server/storage/network devices, mobile devices, etc.
  • Provide support for the escalation and communication of status to agency management and internal customers
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning
  • Provide in-depth experience in troubleshooting IT systems
  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
  • Provide support for the dispatch system and hardware problems and remain involved in the resolution process
  • Configure and manage UNIX and Windows (or other applicable) operating systems and install/load operating system software; troubleshoot, maintain integrity of, and configure network components, along with implementing operating systems enhancements to improve reliability and performance
  • Support the design of systems, mission architecture and associated hardware
  • Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)
  • Analyze and resolve complex problems associated with server hardware, applications and software integration
Clearance:
  • TS/SCI with Full-Scope Polygraph

Salary.com Estimation for System Administrator III in Annapolis, MD
$111,445 to $138,598
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