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Riverstone Enterprise Solutions Logo Riverstone Enterprise Solutions · IT - Administration

Senior Systems Administrator - Hybrid

United States, Aurora Employment contract 155000.00 - 175000.00 USD / Year · Job Posted May 05, 2026
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Job Description

Riverstone Enterprise Solutions, an Envision Innovative Solutions Company, delivers mission-focused technology solutions to the Intelligence Community. Since 2008, we have supported critical national security programs by building high-performing engineering teams and developing innovative enterprise solutions. Our engineers work in a collaborative, zero-bureaucracy environment where expertise is valued, ideas are heard, and contributions directly drive mission success. Your adventure begins now—unleash your potential at Riverstone, we combine the agility of a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer-oriented Systems Administrator Level 2 to join our team in Aurora, CO. This is Hybrid position.

Job Responsibility

  • 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 I (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 of the 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 support for the dispatch system and hardware problems and remains involved in the resolution process
  • Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance

Requirements

  • Ten (10) years' experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity
  • Bachelor's degree in technical discipline from an accredited college or university. Five (5) years of additional SA experience may be substituted for a bachelor's degree
  • Current/Active TS/SCI with Full Scope Polygraph
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